Entries |
Document | Title | Date |
20080200600 | Polymer-Containing Composition, its Preparation and Use - Process for the preparation of a polymer-containing composition comprising the steps of (a) preparing a mixture of an inorganic anionic clay and a cyclic monomer and (b) polymerising said monomer. It has been found that intercalation of the anionic clay with organic anions prior to its use in a polymerisation reaction is not required. Neither is the use of a polymerisation catalyst or initiator. | 08-21-2008 |
20080200601 | Reactive block copolymers for the preparation of inorganic tubule-polymer composites - A method for modifying an inorganic tubule, such as halloysite, cylindrite, boulangerite, or imogolite, with a functionalized block copolymer for improving compatibility with a thermoplastic or thermoset polymer matrix and a composition for the modified inorganic tubule and for the modified inorganic tubule-polymer matrix are provided. In one embodiment, the block copolymer can be added to a slurry of the inorganic tubules. The pH of the slurry can be manipulated to promote ionic bonding between the inorganic tubules and one block of the block copolymer. The other block of the block copolymer is selected for compatibility with the polymer matrix for a particular application. | 08-21-2008 |
20080207815 | Butyl rubber ionomer nanocomposites - The invention relates to nanocomposites and processes for making nanocomposites comprising butyl rubber ionomers having at least 3.5 mol % of repeating units derived from a multiolefin monomer, such as isoprene. More particularly, the invention relates to butyl rubber ionomer nanocomposites comprising high aspect ratio fillers. In one preferred aspect of the invention, the nanocomposites comprise ionomers that are generated in situ during formation of the nanocomposite, leading to intercalation of the ionomer with the nanocomposite. Nanocomposites according to the present invention exhibit improved impermeability and tensile properties as compared with prior art nanocomposites made using conventional brominated butyl rubber. | 08-28-2008 |
20080234423 | PHYLLOSILICATE MODIFIED RESINS FOR LIGNOCELLULOSIC FIBER BASED COMPOSITE PANELS - A method of forming a composite panel or board includes the step of adding phyllosilicate clay to a thermosetting resin and natural fibres. The natural fibres include hardwood fibre, softwood fibre, grain straw, hemp fibre, kenaf fibre, bagasse fibre, palm fibre, canola straw fibre, flax straw fibre, rapeseed straw fibre, wheat straw fibre, oat straw fibre, barley straw fibre, rice straw fibre or rye straw fibre. The thermosetting resin may include phenol formaldehyde, urea formaldehyde, melamine formaldehyde, melamine urea formaldehyde, or methylenediphenyl diisocynanate. The phyllosilicate clay may include nanoparticulate clay and may include natural, modified or synthetic forms of sodium montmorillonite, montmorillonite, nontronite, beidellite, volkonskoite, laponite, hectorite, saponite, sauconite, magadite, kenyaite, stevensite, vermiculite, halloysite, or hydrotactite. | 09-25-2008 |
20080255290 | Method of Dust Abatement - A method of dust abatement, including applying and reapplying to a surface having particulate material a single-phase solution including a water-soluble polymer selected from the group consisting of polyvinyl alcohol, derivatives thereof, and combinations thereof, at a rate of 0.1 g/m to 6 g/m | 10-16-2008 |
20080269396 | TELECHELIC POLYESTER/POLYCARBONATE/ORGANOCLAY NANOCOMPOSITES, AND RELATED METHODS AND ARTICLES - A composition comprises, based on the total weight of the composition, from 30 to 50 weight percent of an ionomeric telechelic polyalkylene ester comprising from 0.05 to 5 mole percent of sulfonate end groups; from 50 to 70 weight percent of a polycarbonate; from 0.1 to 10 weight percent of an organoclay; and from 2 to 12 weight percent of an impact modifier. | 10-30-2008 |
20080281031 | Polyvinylidene Fluoride Having an Increased Melting Point - The invention relates to compositions of polyvinylidene fluoride (PVDF) and its copolymers that have been modified with an onium salt. The PVDF compositions exhibit an increased melting point, a reduced heat distortion and piezo properties. The improved properties can be further enhanced through annealing, and/or the addition of nanoclays. Additionally, the combination of PVDF, nanoclays and annealing can also produce a PVDF with an increased melting point and piezoelectric properties. | 11-13-2008 |
20080287587 | Method for forming polymer-clay nanocomposite latex and its application on sealing and semi-conductive materials - The present invention discloses a method to prepare the polymer-clay nanocomposite latex. At first, a clay and a water-soluble initiator are mixed in water to form an intermediate solution, in which the initiator is absorbed or intercalated into the clay. Then, at least one monomer from vinyl ester, acrylic and acrylamide derivatives is added into the intermediate solution for soap-free emulsion polymerization, which may also be added with some other monomers such as acrylic acid, maleic anhydride, vinyl chloride, acrylonitrile ethylene, et al. for copolymerization. During soap-free emulsion polymerization, the radicals from the dissociated initiators will react with the monomers to form the monomer radicals, which tend to diffuse into the interlayer region of clays for further polymerization and eventually exfoliate the clays. The prepared exfoliated polymer-clay nanocomposite latex can be cast into a vapor-impermeable film so that it can be used as a sealing material or coating. The exfoliated clay in nanoplatelet form is a two-dimensional electrolyte nanomaterial and its aqueous solution is conductive. The exfoliated clay aqueous solutions can be prepared by removing the polymer matrix from the nanocomposite latex with solvent. As the exfoliated clay solution is cast into a film with the clay content is more than or equal to 80 wt %, the film is semi-conductive. Thus, the exfoliated clay aqueous solutions can be applied to the electronic materials and organic/inorganic multilayer composite films. | 11-20-2008 |
20080319119 | Processing Aids for Elastomeric Compositions - The invention provides for processes to produce elastomeric compositions, the processes including contacting at least one elastomer with a processing aid, wherein the processing aid includes the reaction product of at least one functionalized polymer having at least one anhydride group contacted with at least one polyamine, wherein the at least one polyamine includes at least one primary amine. The invention also provides for articles such as innerliners for tires produced from the aforementioned elastomeric compositions. | 12-25-2008 |
20080319120 | Method for manufacturing thermosetting resin composite material - A thermosetting resin composite material is manufactured by forming a polybenzoxazine resin by polycondensation reaction of a compound having a phenolic hydroxyl group, primary amines, and formaldehydes in the presence of a swelling clay mineral having been subjected to organizing treatment, or by adding the swelling clay mineral to the reaction system after termination of the polycondensation reaction. A friction material is provided with the thermosetting resin composite material obtained by the above method. | 12-25-2008 |
20090036589 | Polymer-blend nanocomposites using nanocompatibilizer and method of manufacture thereof - The invention for the nanocompatibilizer composed of a nanoclay and a compatibilizer prepared through a melt blending process is disclosed. The enhanced mechanical properties stemming from the increased compatibility for metallocene polyethylene/starch blends are attained with the addition of the nanocompatibilizer, in comparison with neat compatibilizer, which signified the role of nanocompatibilizer in the derived nanocomposites. | 02-05-2009 |
20090043032 | REACTIVE FLAME RETARDANT AND FLAME-RETARDANT RESIN PROCESSED ARTICLE - Disclosed is a reactive flame retardant which provides a resin with excellent flame retardance even when it is added in a small amount while being prevented from bleedout. Also disclosed is a flame-retardant resin processed article obtained by using such a reactive flame retardant. An organophosphorus compound represented by the general formula (I) below, wherein at least one or more of X | 02-12-2009 |
20090048381 | PROCESS FOR MAKING POLYOLEFIN CLAY NANOCOMPOSITES - A polymerization process to prepare polyolefin-clay nanocomposites from modified clay is described. Polystyrene-clay nanocomposites formed using the inventive method are highly exfoliated and show improved physical properties relative to polystyrene polymers. The process can be applied to bulk or suspension polymerization. The process provided is a two stage polymerization of monomer in the presence of a modified clay. In a first stage, monomer is polymerized within a clay gallery by an intercalated free radical initiator which is activated at a first polymerization temperature. In a second stage, monomer extrinsic to the clay is polymerized using an oil soluble free radical initiator which is activated at a second polymerization temperature. | 02-19-2009 |
20090048382 | Flame retardant thermoplastic elastomer compositions - Flame retardant polymeric blend compositions including a synergistic combination of flame retardants, including a halogenated flame retardant and a nanoparticulate, such as an organically modified clay or a natural nanoclay. The compositions are thermoplastic elastomers, include a polyolefin and a styrenic block copolymer, and exhibit high char formation upon burning as well as desirable vertical burn characteristics. In a preferred embodiment, the flame retardants include at least a halogenated flame retardant and a metal oxide. | 02-19-2009 |
20090048383 | CLAYS PRE-ACTIVATED WITH INTERCALATED POLYMERIZATION INITIATION SITES - A modified clay may be made by contacting a clay with an unsaturated cationic compound and an alkoxyamine, or an adduct thereof. The resulting pre-activated clay, which contains a cationic alkoxyamine bound to the clay, may be further treated with a monomer to provide a polymer that is bound to the clay, thereby forming a nanocomposite material. The nanocomposite material may in turn be blended with another polymer prepared from the same or a different monomer. | 02-19-2009 |
20090062450 | Barrier coating a non-elastomeric polymer and a dispersed layered filler in a liquid carrier and coated articles - Barrier coating mixtures contain in a carrier liquid, (a) a non-elastomeric polymer; (b) an exfoliated layered platelet-like silicate filler which may or may not have been acid or base treated that has not been functionalized with organic cations having an aspect ratio greater than 25; and (c) at least one additive, wherein the total solids content is less than 30% and the amount of filler is between 5% to about 60% of the total solids content. Coated articles and containers, freestanding films and packaging films are produced using the barrier coating mixtures. Methods of manufacturing such coated products are also encompassed. | 03-05-2009 |
20090105390 | USE OF CARBOXYLATE-CONTAINING POLYMERS AS ADDITIVES IN CERAMIC MATERIALS - The present invention relates to the use of homopolymers or copolymers of (meth)acrylic acid or copolymers of C | 04-23-2009 |
20090118413 | Composite materials for fuel containment - An enhanced polymer for containing fuel such as in fuel tank construction that uses an one of several commercially available polymers or polymer blends and mixes or blends it with either carbon nano-tubes or carbon nano-fibers and/or with nano-sized smectite clay platelets. The polymer can be further hardened or stiffened by adding or blending or treating with a cross-linking agent. The polymers can be any suitable polymer; however, high density polyethylene, polybutylene terephtalate, polycarbonate or polybutylene terephtalate and polycarbonate blend are preferred. The carbon nano-fibers can have diameters from | 05-07-2009 |
20090192254 | FACILATATED DISPERSION OF NANOFILLERS FOR THE PREPARATION OF NANOCOMPOSITES - Compositions of thermoplastic polyesters and sepiolite-type clay in which the clay is dispersed in the polyester as often fibrous particles whose smallest dimension is less than 100 nm are made by polymerizing the polyester precursors in the presence of the clay. The compositions have good physical properties and can be melt molded into various articles. Many of these articles may be coated (painted) and are especially useful for appearance parts such as visible exterior automotive body parts. | 07-30-2009 |
20090203826 | METHODS OF MAKING SILOXY-IMINE FUNCTIONALIZED RUBBERY POLYMERS AND USES THEREOF IN RUBBER COMPOSITIONS FOR TIRES - The invention includes a siloxy-imine functionalized rubbery polymer, which exhibits good reinforcing characteristics and filler dispersing effect, a method for making, and a rubber composition including the same. In one embodiment, a process for manufacturing the functionalized rubbery polymer includes polymerizing a conjugated diene monomer using an organolithium compound as an initiator in a hydrocarbon solvent. Next, an active terminal end of the polymer is reacted with a functionalized terminating agent, represented by the general formula: | 08-13-2009 |
20090209694 | Process for Nanocomposites Preparation, and Nanocomposites - The present invention relates the preparation process of nanocomposites polyolefins based on organophilic clay and polyolefins. More specifically, the present invention relates to a process to prepare nanocomposites, which provides more efficient exfoliation of organophilic clay particles in the polymeric matrix and, hence, a product with significantly improved mechanical, thermal and barrier properties, and good optical properties. | 08-20-2009 |
20090286917 | IMPROVED CATALYST SYSTEM FOR POLYESTER NANOCOMPOSITES - Using chelated organic titanate catalysts in the preparation of polyester/sepiolite-type clay nanocomposites by in situ polymerization results in a polymer whose moldings exhibit higher tensile modulus than when open-site organic titanate catalysts are used. | 11-19-2009 |
20090292055 | NANOCOMPOSITES COMPLIANT WITH REGULATORY REQUIREMENTS - A nanocomposite is made from melt-mixing of polyethylene with organoclay in the presence of a maleated polypropylene. Unexpectedly, the maleated polypropylene and polyethylene are sufficiently compatible to permit excellent dispersion of the organoclay in the nanocomposite. Because maleated polypropylene is compliant with U.S. Food and Drug Administration regulations, though maleated polyethylene is not, one can use nanocomposites of the present invention for articles to be in contact with human food. | 11-26-2009 |
20090298992 | THERMOPLASTIC COMPOSITIONS, METHOD OF MANUFACTURE, AND USES THEREOF - A composition is described, comprising: a polymer component comprising, based on the total weight of the polymer component, 25 to 93 weight percent of a polycarbonate, 1 to 25 weight percent of a poly(vinyl acetate), 5 to 35 weight percent of a poly(monovinyl aryl-co-(meth)acrylonitrile) flow modifier, and 1 to 20 to weight percent of a poly(monovinyl aryl-co-maleic) compatibilizer; and an optional filler component, in an amount of 0 to 150 parts by weight of the polymer component. | 12-03-2009 |
20090326132 | NANOSILICATE PLATES - The present invention relates to random form of nanoscale silicate plates produced by a process using an exfoliating agent. The exfoliating agent used in the present invention has the formula: | 12-31-2009 |
20090326133 | FIRE AND FLAME RETARDANT POLYMER COMPOSITES - Disclosed are materials and processes for obtaining improved resistance to fire and flame for polymer composites, using a flame and fire retardant system comprising a tubular clay. Halloysite is an example of such a clay and it can be used either alone or in combination with other chemicals. The tubular clays are advantaged over common platy clays for this application in that they do not require large amounts of organic compatibilizers, which may degrade the properties of the composite or require tedious process steps. The tubular clay can function alone or synergistically with other flame retardants, particularly organic flame retardants. | 12-31-2009 |
20090326134 | NANOCOMPOSITE COMPRISING EXFOLIATED NANOCLAY-STYRENIC CONCENTRATE AND METHODS OF PREPARATION - A composition is disclosed comprising a styrenic first polymer, nanoclay, and an emulsifier compound, which can be blended with an additional polymer. A nanocomposite exhibits improved heat resistant properties and stiffness. In one embodiment, the additional polymer is poly(phenylene ether). An article and a method for the preparation a nanocomposite are also disclosed. In one embodiment, the process of obtaining a nanocomposite comprises emulsion polymerizing styrenic monomers in the presence of an aqueous dispersion of nanoclay and emulsifier compound, wherein an aqueous mixed dispersion comprising styrenic polymer and nanoclay is formed; coagulating the aqueous mixed dispersion with a coagulating agent to form a coagulated mixed dispersion comprising nanoclay and styrenic polymer; solidifying the coagulated mixed dispersion to form a polymeric clay concentrate comprising the nanoclay and the styrenic polymer as a carrier resin; and mixing the polymeric nanoclay concentrate, directly or indirectly with an additional polymer to form a nanocomposite. | 12-31-2009 |
20090326135 | SCRUB AND STAIN-RESISTANT COATING COMPOSITIONS, METHOD FOR MANUFACTURING THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is a method that includes mixing opacifying agent particles with a thickening agent to form a first mixture; the mixing being conducted at a shear rate of about 10 to about 2,000 sec | 12-31-2009 |
20100010140 | PEROXIDE CURABLE RUBBER COMPOUND CONTAINING HIGH MULTIOLEFIN HALOBUTYL IONOMERS - The present invention relates to a peroxide curable rubber nanocomposite compound comprising a peroxide curative, a nanoclay and a high multiolefin halobutyl ionomer prepared by reacting a halogenated butyl polymer having a high mol percent of multiolefin with at least one nitrogen and/or phosphorus based nucleophile. The resulting high multiolefin halobutyl ionomer comprises from about 2 to 10 mol % multiolefin. The present invention is also directed to a shaped article comprising the rubber compound. | 01-14-2010 |
20100036037 | POLYMERIZATION PROCESS FOR PREPARING BUTYL RUBBER NANOCOMPOSITES - A polymerization process for preparing a silica-filled butyl rubber polymer. A quaternary onium ion substituted silaceous nanoclay is dispersed in the organic polymerization fluid prior to polymerization of an isoolefin monomer and a multiolefin monomer in the fluid. The resulting silica-filled polymer comprises butyl rubber intercalated with silica from the silaceous nanoclay. The rate of polymerization is substantially unaffected by addition of the nanoclay to the polymerization fluid. The resulting silica-filled polymers exhibit improved impermeability as compared with non-filled polymers. | 02-11-2010 |
20100036038 | Elastomeric Compositions Having Improved Properties - Elastomeric compositions comprising at least one C | 02-11-2010 |
20100041814 | METHODS FOR PREPARING TOUGHENED EPOXY POLYMER COMPOSITE SYSTEMS - The present invention relates to epoxy resin compositions and more particularly to providing methods for toughening such epoxy resin systems. The methods include mixing a liquid epoxy resin with a glycidyl terminated modifying polymer and copolymerizing the epoxy resin and glycidyl terminated modifying polymer such that a liquid or gel phase comprising the modifying polymer separates from a solidified epoxy polymer to form the epoxy polymer composite system. | 02-18-2010 |
20100081749 | EXFOLIATED NANOCOMPOSITES AND ARTICLES CONTAINING SAME - A polymeric nanocomposite comprises a non-polar hyperbranched polystyrene resin. An exfoliated or intercalated onium functionalized clay is dispersed within the resin. Such nanocomposites are more compatible with non-polar polymer matrices used in various articles of manufacture. | 04-01-2010 |
20100093912 | Manufacturing method of organic modifer-free exfoliated nano clay-polymer composite - The present invention relates to a manufacturing method of organic modifier-free exfoliated nano clay-polymer composite. The manufacturing method of organic modifier-free exfoliated nano clay-polymer composite includes (S1) dispersing layered clay nanoparticles and dissolving a thermoplastic polymer in an acidic solvent; (S2) adding the product of step (S1) to a polymer non-solvent incapable of dissolving the polymer, but capable of dissolving the organic modifier separated from the organized layered clay nanoparticles; and (S3) separating an organic modifier-free exfoliated nano clay-polymer composite from the product of step (S2). The inventive manufacturing method can maximally improve the physical properties of composites through the addition of the exfoliated clay nanoparticles by removing the organic modifier that may deteriorate physical properties of the composite from the exfoliated clay nanoparticles dispersed therein. | 04-15-2010 |
20100113673 | POLYMER NANOCOMPOSITES AND FABRICATION METHODS THEREOF - A polymer nanocomposite and a fabrication method thereof are provided. The polymer nanocomposite includes an amorphous polyester body and a plurality of layered structural materials mixed with the amorphous polyester body, wherein the layered structural materials have one or more than one kind of aspect ratio. The fabrication method includes providing an amorphous polyester, providing a plurality of modified layered structural materials which have one or more than one kind of aspect ratio, mixing the modified layered structural materials uniformly, mixing the modified layered structural materials into the amorphous polyester, and forming the polymer nanocomposite by a melting process. | 05-06-2010 |
20100130664 | TERMINATING COMPOUNDS, POLYMERS, AND THEIR USES IN RUBBER COMPOSITIONS AND TIRES - The invention includes terminating compounds, polymers, rubber compositions and tires. The terminating compounds can provide terminating groups on the polymer. Polymers can be homopolymers, copolymers and terpolymers, and can include repeat units provided from conjugated diene monomers. Rubber compositions can be made from the polymers, and tires and various parts of tires can be made from those rubber compositions. | 05-27-2010 |
20100144950 | COUPLING COMPOUNDS AND THEIR USES IN RUBBER COMPOSITIONS AND TIRES - The invention includes coupling compounds, rubber compositions, and tires. The coupling compounds can, for example, be used to couple to silica filler. Rubber compositions can comprise the coupling compound and polymers. Polymers can be homopolymers, copolymers and terpolymers, and can include repeat units provided from conjugated diene monomers. Tires and various parts of tires can be made from those rubber compositions. | 06-10-2010 |
20100168310 | METHOD FOR FORMING FLAME-RETARDANT CLAY-POLYOLEFIN COMPOSITES - A method for forming polyolefin/clay composites by olefin polymerization which can be used as flame retardants in which at least one filler is combined with an early or late transition metal first catalyst component that becomes activated for olefin polymerization when in contact with the treated filler. An olefin is contacted by the activated catalyst—filler combination either (a) in the absence of an alkylaluminum second catalyst component or (b) in the presence an alkylaluminum second catalyst component when the first catalyst component is an early transition metal catalyst, whereby to form an clay-polyolefin composite incorporating platelets of said filler. The filler is preferably clay, exemplified by montmorillonite and chlorite. The first catalyst component is preferably a non-metallocene catalyst. A predetermined amount of one or more olefinic polymers can also be blended with a masterbatch to obtain a composite having a desired amount of loading. | 07-01-2010 |
20100190908 | ORGANIZED CLAY, PROCESS FOR PRODUCING THE SAME, AND RESIN COMPOSITE CONTAINING ORGANIZED CLAY - The present invention relates to:
| 07-29-2010 |
20100197845 | Modified Clays, Method of Obtaining Them, and Applications - The invention relates to modified natural clays made organophilic by means of a polar modifier for increasing their capability of bonding to organic media receiving them, which are composed of natural clays containing, in their structures, monovalent and/or multivalent metal ions and a polar modifier for modifying the surface state of said clays, which is chosen from the group of oligomers having hydrocarbon chains containing carboxylic acid functional groups. The invention is used as organophilic mineral fillers in polymers. | 08-05-2010 |
20100210779 | Triethylamine Functionalized Elastomer in Barrier Applications - A halogenated elastomer partially functionalized with triethylamine, in a mixture with fiiier and a cure package, suitable for use as an air barrier in an innertube or tire innerliner, is disclosed. The halogenated elastomer can be a polymer comprising C | 08-19-2010 |
20100249309 | NANOCOMPOSITES AND THEIR SURFACES - A method for preparing nanocomposites and nanocomposite polymeric products by dispersing nanoparticles in a polymer either by melt processing or by solution processing and bringing about migration of the nanoparticles from the bulk interior to the surface of the nanocomposites so as to produce a new asymetric type of nanocomposite in which the concentration of the nanoparticles on the surface is many times higher than in the interior bulk of the nanocomposite. These surfaces impart highly enhanced properties to the nanocomposites as compared to the pristine polymer and to nanocomposites that have not undergone the migration process, including stability against aging, longer shelf life, higher hydrophobicity, higher wear resistance, higher hardness and lower friction. The new surfaces of the nanocomposite polymeric products are produced by inducing migration of the nanoparticles to the surface thereby producing a concentration gradient below the surface. | 09-30-2010 |
20100267882 | Polyolefin Compositions - A composition is disclosed having: a first component of one or more of: (a) an ethylene octene rubber; (b) an ethylene butene rubber; and/or (c) a hydrogenated styrenic thermoplastic elastomer; and a second component of: (d) a surface modified nanoclay. Related articles, compositions and methods are also described. | 10-21-2010 |
20100298482 | ORGANIC-INORGANIC HYBRID PIGMENT COMPOSITIONS - An organic-inorganic hybrid pigment composition is provided comprising an organic pigment, an inorganic pigment, and a fibrous clay. The fibrous clay can be selected from palygorskite, sepiolite, or a combination thereof. The inorganic pigment is selected from rutile pigments, spinel pigments, bismuth vanadate pigments, cerium sulfide pigments, and combinations thereof. The organic pigment is selected from anthraquinone pigments, anthrathrone pigments, anthrapyrimidine pigments, azo pigments, azomethine pigments, quinacridone pigments, quinophthalone pigments, diketopyrrolopyrrol pigments, inanthrone pigments, isoindoline pigments, metal complex pigments, perinone pigments, perylene pigments, phthalocyanine pigments, pyranthrone pigments, pyrazolo-quinazolone pigments, thioindigo pigments, and combinations thereof. | 11-25-2010 |
20100324195 | Nanocomposite compositions of polyamides and Sepiolite-type clays - The invention is directed to nanocomposite compositions that contain at least one thermoplastic polyamide and unmodified sepiolite-type clay nanoparticles. It, also, includes articles containing such compositions. | 12-23-2010 |
20100324196 | PROCESS FOR MAKING STRAIN-HARDENED POLYMER PRODUCTS - A process which subjects a body of polymer to deformation to produce strain hardened polymeric products including blending a polymer and a nanoparticle material to produce a polymeric composition, forming a film from the polymeric composition, and subjecting the composition to strain hardening. The resulting product has improved clarity, dimensional stability, uniform thickness, due to the “self-leveling” properties of the polymeric composition. | 12-23-2010 |
20110040015 | TRANSPARENT COMPOSITE MATERIAL AND PROCESS FOR PRODUCING THE SAME - This invention relates to a method for producing a transparent composite material comprising a first step of subjecting a synthetic smectite having a number average particle diameter of from 10 to 300 nm and an aspect ratio of from 10 to 300 to organizing treatment with an organic quaternary ammonium salt and/or an organic quaternary phosphonium salt; a second step of mixing the synthetic smectite subjected to organizing treatment and a curable resin to prepare a resin composition containing the synthetic smectite in an amount of 10 to 40 mass %; a third step of curing the resin composition to obtain a cured product; and a forth step of removing the organic volatile components remaining in the cured product. According to the method, a transparent composite material which is flexible and has a low coefficient of thermal expansion can be obtained which is reduced in outgassing at high temperature under vacuum as in vapor deposition of a conductive thin film. | 02-17-2011 |
20110046287 | CLAY-ISOCYANATE NANODISPERSIONS AND POLYURETHANE NANOCOMPOSITE PRODUCED THEREWITH - Nanodispersions of inorganic clays in isocyanate may be created via pre-exfoliation, delamination, or both of the clay and subsequent mixing with isocyanate. In an embodiment, such an isocyanate nanodispersion is reacted with an isocyanate-reactive material or substrate to form a polyurethane nanocomposite. | 02-24-2011 |
20110130506 | TPO NANOCOMPOSITES AND METHODS OF USE - Disclosed is a thermoplastic polyolefin (TPO) nanocomposite composition, more particularly a TPO nanocomposite composition including a polypropylene resin, a polyethylene resin, a rubber resin, a nanoclay master batch and a glass bubble master batch. Since the disclosed TPO nanocomposite composition has low specific gravity and superior gloss reducing effect and scratch resistance, it may be usefully applied to light automobile parts, uncoated automobile exterior parts, or the like. | 06-02-2011 |
20110130507 | ORGANIC/INORGANIC HYBRID MATERIAL AND FABRICATION METHOD THEREOF - An organic/inorganic hybrid material is provided, including an organic polymer, and a plurality of inorganic nano-platelets, wherein the inorganic nano-platelets are self-connected or connected via a linker to constitute an inorganic platelet network. By the formation of the inorganic network structure, the hybrid materials can keep their transparency and flexibility at a high inorganic content, and exhibit greatly reduced coefficients of thermal expansion A method for fabricating the organic/inorganic hybrid material is also provided. | 06-02-2011 |
20110184113 | EXFOLIATED NANOCOMPOSITES AND ARTICLES CONTAINING SAME - A polymeric nanocomposite comprises a non-polar hyperbranched polystyrene resin. An exfoliated or intercalated onium functionalized clay is dispersed within the resin. Such nanocomposites are more compatible with non-polar polymer matrices used in various articles of manufacture. | 07-28-2011 |
20110201742 | Halogenated Elastomers with Heat Activated Latent Curative - Mixtures of halogenated elastomers and latent curatives are provided that cure when subjected to sufficient heat to decompose the latent curative. Decomposition products include CO | 08-18-2011 |
20110263776 | Resin Compositions Comprising Polyolefins, Poly(hydroxy Carboxylic Acid) and Nanoclays - A resin composition comprising a polyolefin, a nanoclay and poly(hydroxy carboxylic acid). The invention also covers a process for preparing a resin composition comprising a polyolefin, a nanoclay and poly(hydroxy carboxylic acid) by (i) blending a poly(hydroxy carboxylic acid) with a nanoclay to form a composite (ii) blending the composite with a polyolefin. The use of poly(hydroxy carboxylic acids) as a compatibiliser to blend nanoclays into polyolefins is also claimed. | 10-27-2011 |
20110269890 | BIODEGRADABLE NANOPOLYMER COMPOSITIONS AND BIODEGRADABLE ARTICLES MADE THEREOF - Biodegradable nanopolymer compositions and methods of making the compositions are provided. In a general embodiment, the present disclosure provides a biodegradable nanopolymer composition made from starting material comprising poly(lactic acid), co-polyester polymer with adipic acid compounded and nanoparticles of a mineral material such as silica and magnesium silicate. In addition, the present disclosure provides processes for making the biodegradable nanopolymer compositions as well as biodegradable articles made using the biodegradable nanopolymer compositions such as molded, formed and extruded articles. | 11-03-2011 |
20110281993 | Composites Comprising Polymer and Mesoporous Silicate - Surfactant-templated mesoporous silicates and mesoporous layered silicate clays having certain porosity parameters are used as reinforcing agents for polymers to make composites. The combination of porosity parameters that allows mesoporous silicates to be competitive with organoclays for the reinforcement of engineering polymers include an average mesopore size of at least 2 nm, a surface are of more than about 50 square meters per gram, a total pore volume of more than about 0.33 cubic centimeters per gram, wherein at least 20% of the total pore volume is due to mesopores about 2 to about 50 nm. | 11-17-2011 |
20110288223 | Supercritical Carbon-Dioxide Processed Biodegradable Polymer Nanocomposites - A biodegradable film and a method of forming a biodegradable film are provided. In one aspect, the biodegradable film includes a reinforced biodegradable polymer including a biodegradable polymer and a reinforcing agent substantially dispersed throughout the biodegradable polymer by rapid depressurization of a supercritical fluid wherein the reinforced biodegradable polymer is formed into the film. | 11-24-2011 |
20110294939 | Elastomeric Nanocomposite Manufacturing - An elastomeric nanocomposite is produced from an isobutylene-based polymer and a layered nanofiller. The process of preparing the nanocomposite includes the steps of a) polymerizing isobutylene monomers and multiolefin monomers to produce an isobutylene-based polymer; b) completing at least one mass transfer dependent stage in the process wherein, after completion of the stage and prior to any recovery of the polymer, the polymer is dissolved in a solvent to create a polymer cement; c) contacting the layered nanofiller and the polymer solvent to obtain the nanocomposite; and d) recovering the nanocomposite. The layered nanofiller may be in a slurry prior to contacting with the polymer cement. | 12-01-2011 |
20120041125 | METHOD FOR FABRICATING AN EXFOLIATED INORGANIC LAYERED MATERIAL - The invention provides a method for fabricating an exfoliated inorganic layered material. The method includes: providing a homogeneous precursor solution, wherein the homogeneous precursor solution includes a titanium derivatives solution or a silane derivatives solution; adding an inorganic layered material into the homogeneous precursor solution to form a sol; coagulating the sol by a hydrothermal method to obtain a wet gel; and washing, drying and calcining the wet gel to obtain an exfoliated inorganic layered material. | 02-16-2012 |
20120101209 | NUCLEATING AGENT FOR POLYETHYLENES - The invention relates to nucleation agents for polyethylenes wherein the nucleating agent is composed of one or more finely divided inorganic materials of halloysite that are dispersed throughout the polyethylene to increase the crystallization rate such that the polyethylenes can be more easily extruded, molded with a much shorter cycle time or thermoformed into intricate parts. The most preferred agent is halloysite nanotubular clay. | 04-26-2012 |
20120157598 | Polymeric Films and Method of Making Same - Provided are polymeric films that include a polyolefin and at least one cavitating agent including a poly(alkylene terephthalate) of formula (I); | 06-21-2012 |
20120172514 | THERMOPLASTIC COMPOSITIONS FOR SHEET MATERIALS HAVING IMPROVED TENSILE PROPERTIES - Disclosed is a thermoplastic composition suitable for forming sheet materials with improved tensile properties. The thermoplastic composition includes from about 1 to about 98 weight percent of a fiber-forming or film-forming polymer, from about 1 to about 98 weight percent of a low melt flow rate polymer having a melt flow rate less than 20 grams per 10 minutes, and from about 0.1 to about 10 weight percent of nanoparticles. The nanoparticles may be cylindrical nanoparticles having an average aspect ratio greater than about 1 and less than about 500. | 07-05-2012 |
20120196969 | ENGINEERED EARTHEN RECREATIONAL AND SPORT SURFACE - In another embodiment, a composition for use as a sport or recreational surface includes about 88 to 90 percent by weight of a sand blend that is formed of at least three different sands mixed together, the sand blend including a first sand that is represents a majority by weight of the sand blend and has a clay/silt content of at least 1% by weight; about 5-7 percent by weight of a hydrocarbon wax; at least about 2 percent by weight of polymeric material; and at least about 3 percent by weight of rubber, the percentage by weight of each ingredient being based on the total weight of the composition. | 08-02-2012 |
20120208945 | COPOLYMERS FOR TREATING CONSTRUCTION AGGREGATES - The present invention provides methods, admixture compositions for treating clay-bearing aggregates used for construction purposes, and aggregate compositions for construction purposes. The clay-bearing aggregates are treated with a cationic copolymer made from two and preferably three different monomer components. Cementitious compositions containing the treated aggregates are also described. | 08-16-2012 |
20120214929 | INJECTION MOLDED ARTICLE AND POLY(ARYLENE ETHER) COMPOSITION FOR USE THEREIN - Injection molded articles, such as automotive headlight bezels, are formed from a composition that includes specific amounts of a poly(arylene ether), a rubber-modified polystyrene, a hydrogenated block copolymer, and an aliphatic hydrocarbon resin. The injection molded articles are significantly lighter than corresponding articles prepared from both mineral filled polyester compositions and unfilled polyester compositions, so they contribute to fuel efficiency without sacrificing impact strength, heat resistance, gloss, and melt flow properties. | 08-23-2012 |
20120232207 | PROCESS FOR PRODUCING FLUORINATED COPOLYMER NANOCOMPOSITE - To provide a process for producing a fluorinated copolymer nanocomposite comprising a fluorinated copolymer and inorganic fine particles dispersed therein to a high degree, and a process for producing a molded fluororesin product. The process for producing a fluorinated copolymer nanocomposite comprising a fluorinated copolymer and inorganic fine particles, characterized in that a mixture (A) containing a fluorinated copolymer comprised of repeating units based on tetrafluoroethylene and repeating units based on ethylene, inorganic fine particles, and a solvent which can dissolve the fluorinated copolymer under ordinary or elevated pressure at a temperature of not higher than the melting point of the fluorinated copolymer, is heated to at least a temperature at which the fluorinated copolymer dissolves in the solvent, and the solvent is subsequently removed. The process for producing a molded fluororesin product by using the fluorinated copolymer nanocomposite to produce a molded product. | 09-13-2012 |
20120252953 | Cationic Polymers For Treating Construction Aggregates - The present invention provides methods, admixture compositions for treating clay-bearing aggregates used for construction purposes, and aggregate compositions for construction purposes. The clay-bearing aggregates are treated with a cationic copolymer made from two and preferably three different monomer components. Cementitious compositions containing the treated aggregates are also described. | 10-04-2012 |
20120270989 | Composites Comprising a Polymer and a Layered Compound and Methods of Preparing and Using Same - A method comprising extrusion compounding a styrenic polymer and a layered compound to produce a composite, and orienting the composite to produce an oriented composite wherein the layered compound comprises natural clay, synthetic clay, natural colloid, synthetic colloid, natural sol, synthetic sol, natural gel, synthetic gel, natural fumes, synthetic fumes, or combinations thereof. A method of preparing an oriented film comprising extrusion compounding a styrenic polymer and a clay to produce a nanocomposite, casting the nanocomposite into a film, and orienting the film in at least one direction. | 10-25-2012 |
20130231433 | ELASTOMER COMPOSITION AND STOPPER FOR MEDICAL CONTAINER - The object of the present invention is to provide an elastomer composite creating a molded article having excellent heat resistance, anti-leakage and needle retaining properties. To attain the object, the present invention provides an elastomer composite comprising 100 parts by mass of a block copolymer mixture containing 10 to 90 parts by mass of a block copolymer A, and 90 to 10 parts by mass of a block copolymer P, with the total amount of said block copolymers A and P being 100 parts by mass, 100 to 300 parts by mass of a softener B, having a kinetic viscosity in the range of between 50 and 500 centistokes (cSt) at 40° C., 1 to 50 parts by mass of a propylene polymer C, having a modulus in bending in the range of between 1000 and 3000 MPa, and 1 to 50 parts by mass of an aromatic polymer D. | 09-05-2013 |
20130274401 | ADHESIVE COMPOSITIONS AND METHODS - The present invention encompasses polyurethane adhesive compositions comprising aliphatic polycarbonate chains. In one aspect, the present invention encompasses polyurethane adhesives derived from aliphatic polycarbonate polyols and polyisocyanates wherein the polyol chains contain a primary repeating unit having a structure: | 10-17-2013 |
20130317160 | HETEROPHASIC POLYPROPYLENE COPOLYMER COMPOSITION - Heterophasic polypropylene composition comprising
| 11-28-2013 |
20140024762 | RUBBER COMPOSITION FOR PNEUMATIC TIRE - A rubber composition excellent in air permeation resistance and improved in flexure failure resistance, and a weight-saving pneumatic tire excellent in air permeation resistance and improved in flexure failure resistance in which the rubber composition is used as the inner liner therein is provided. The rubber composition contains, relative to 100 parts by mass of the rubber ingredient (A) therein, from 1 to 9 parts by mass of carbon black (B) and from 80 to 150 parts by mass of a layered or platy clay mineral (C). | 01-23-2014 |
20140080958 | Composites Comprising a Polymer and a Layered Compound and Methods of Preparing and Using Same - A method comprising extrusion compounding a styrenic polymer and a layered compound to produce a composite, and orienting the composite to produce an oriented composite wherein the layered compound comprises natural clay, synthetic clay, natural colloid, synthetic colloid, natural sol, synthetic sol, natural gel, synthetic gel, natural fumes, synthetic fumes, or combinations thereof. A method of preparing an oriented film comprising extrusion compounding a styrenic polymer and a clay to produce a nanocomposite, casting the nanocomposite into a film, and orienting the film in at least one direction. | 03-20-2014 |
20140155534 | RESIN COMPOSITION AND MOLDED ARTICLE COMPOSED OF THE SAME - A resin composition comprising a polylactic acid-based resin (A) and methacrylic resins (B), wherein the methacrylic resins having at least (a) a difference of 10° C. or more in glass transition temperature or (b) a difference of 3% or more in syndiotacticity; it is preferred that at least one of the methacrylic resins (B) is a methacrylic resin having a weight average molecular weight of 50,000 to 450,000, a glass transition temperature of 110° C. or higher and a syndiotacticity of 40% or more, and that the resin composition further contains a multilayer structure polymer formed as particles each consisting of a core layer and one or more shell layers covering it (C). A molded article made of said resin composition. | 06-05-2014 |
20140221548 | COMPOSITE MATERIAL - Provided is a composite material which can be preferably used as alternative seal materials to asbestos seal materials or as a heat dissipation sheet with excellent thermal conductivity. The composite material comprises: (1) an inorganic filler-containing material containing an inorganic filler and any of the following: a polyimide film, a polyimide varnish consisting of a polyamide acid solution, an incompletely-imidized and self-standing polyimide precursor film obtained by drying a polyamide acid solution, a polybenzimidazole film, a varnish consisting of a polybenzimidazole solution, a polyazomethine film, a mixed film consisting of a polyimide resin and a polybenzimidazole resin, a mixed varnish consisting of a polyamide acid solution and a polybenzimidazole solution, a mixed film consisting of a polyimide precursor and polyazomethine, a polybenzoxazole film, etc; and (2) a molding consisting of any of expanded graphite, organic fiber and inorganic fiber. | 08-07-2014 |
20140343213 | Ethylene-Propylene-Diene Interpolymer Composition - The present disclosure is directed to a composition and articles containing the composition. The composition includes an ethylene-propylene-diene interpolymer (EPDM) having a rheology ratio greater than 33. The EPDM also has a molecular weight distribution greater than 3.0. The composition has a dissipation factor less than or equal to 0.01 radians as measured in accordance with ASTM D 150 (130° C., 60 Hz). | 11-20-2014 |
20150038630 | STRUCTURAL ACRYLIC ADHESIVE - There is provided an adhesive composition comprising: a) at least one acrylic functional monomer; b) a first toughening agent; c) a second toughening agent; d) an adhesion promoter; and e) a high aspect ratio filler selected from at least one of a high aspect ratio fibrillated filler and a halloycite clay filler. | 02-05-2015 |
20160075862 | NANOCLAYS CONTAINING FLAME RETARDANT CHEMICALS FOR FIRE RETARDANT APPLICATIONS - The present invention concerns fire retardant materials made of polymers, plastics and elastomeric-based materials comprising nanoclays intercalated with protonised silane. | 03-17-2016 |
20160083493 | CONCRETE ADMIXTURES - The present invention relates to a copolymer which is obviously by polymerizing monomer components comprising: (a) a compound represented by formula (A1): Y—B-0-(A-0) | 03-24-2016 |
20160168338 | Filled Elastomeric Composite and Process to Control Composite Crumb Size | 06-16-2016 |
20190144613 | POLYMER MATRIX COMPOSITES COMPRISING THERMALLY INSULATING PARTICLES AND METHODS OF MAKING THE SAME | 05-16-2019 |
20190144625 | POLYMER MATRIX COMPOSITES COMPRISING INTUMESCENT PARTICLES AND METHODS OF MAKING THE SAME | 05-16-2019 |