Entries |
Document | Title | Date |
20080227880 | Porous body and filter - The present invention provides a molded porous body with very small air bubbles distributed therein as well as a filter using the porous body. The present invention is related to a porous body comprising a polytetrafluoroethylene-based resin and a thermoplastic resin other than the polytetrafluoroethylene-based resin, and having a specific gravity exceeding 1.80 but less than 2.18 and a percent conversion to crystals of not higher than 50%. | 09-18-2008 |
20080262118 | Extruded Polylactide Foams Blown With Carbon Dioxide - This invention provides a process for extruding a PLA resin using high levels of CO | 10-23-2008 |
20080269366 | MICROPOROUS FILMS FROM COMPATIBILIZED POLYMERIC BLENDS - Disclosed herein are microporous films comprising polymer blends comprising at least two polymers and a compatibilizer. The films may also comprise at least one ethylene/α-olefin interpolymer and two different polyolefins which can be homopolymers. The ethylene/α-olefin interpolymers are block copolymers comprising at least a hard block and at least a soft block. In some embodiments, the ethylene/α-olefin interpolymer can function as a compatibilizer between the two polyolefins which may not be otherwise compatible. Methods of making the polymer blends and microporous films made from the polymer blends are also described. | 10-30-2008 |
20080293840 | POLYPHENYLENE-POLY(ARYL ETHER SULFONE) BLENDS, ARTICLES AND METHOD - Compositions comprising blends of polyphenylene and poly(aryl ether sulfone) and methods for making such blends are disclosed. Miscible blends of polyphenylene and poly(aryl ether sulfone) are also disclosed. The blends are useful in numerous applications such as in the preparation of articles and of foams having reduced density. | 11-27-2008 |
20090030098 | Propylene Polymers Having Broad Molecular Weight Distribution - Propylene homopolymers or copolymers containing up to 5.0 wt % of alpha-olefin units having from 2 to 8 carbon atoms other than propylene, characterized in that said propylene homopolymers or copolymers have Polydispersity Index value higher than 15, Melt Strength higher than 1.50 cN at 230° C. and Melt Flow Rate (ISO1133, 230° C./2.16 Kg) from 0.01 to 20 g/10 min. | 01-29-2009 |
20090093560 | Polymer composition - A halogenated polymer containing a functionalized polymer and optionally a blowing agent. | 04-09-2009 |
20090170973 | Macroporous hydrogels, their preparation and their use - A macroporous cryogen is disclosed which has grafted thereon polymer chains formed by polymerizing at least one monomer of the general formula (I) CR1R2=CR3R4 (I) wherein R1 and R2 are equal of different and each represents a hydrogen atom or substituent group which is not detrimental to the polymerization reaction; and R3 and R4 each represents a hydrogen atom or a substituent group which is not detrimental to the polymerization reaction, provided that R3 and R4 are not both a hydrogen atom, on said macroporous cryogel. A method for the preparation of said macroporous cryogel by graft (co)polymerization and the use of said macroporous cryogel in a separation process are also disclosed. | 07-02-2009 |
20090292034 | POLYCARBONATE FOAM - A polycarbonate foam that is a thermoplastic resin foam suitable for a backlight or a lighting box of an electric signboard, a luminaire, a display, and the like, has both high optical reflectivity and shape-retaining property, and has a short production cycle time. A polycarbonate foam contains a polycarbonate (A) and a fluorinated polycarbonate (B) and has a plurality of pores with a mean bubble diameter of 10 micrometers or less within. The foam is manufactured by a manufacturing method including holding a resin sheet containing the polycarbonate (A) and the fluorinated polycarbonate (B) in a pressurized inert gas atmosphere and incorporating the inert gas into the resin sheet, and heating the resin sheet incorporated with the inert gas to a temperature equal to or higher than a softening temperature of the polycarbonate under ambient pressure and foaming the resin sheet. | 11-26-2009 |
20100016458 | POLYOLEFIN RESIN FOAM AND PROCESS FOR PRODUCTION THEREOF - The present invention relates to a polyolefin resin foam which includes a polyolefin resin composition includes: (A) a rubber and/or a thermoplastic elastomer; (B) a polyolefin resin; and (C) at least one aliphatic compound selected from an aliphatic acid, an aliphatic acid amide and an aliphatic acid metallic soap, the compound having a polar functional group and having a melting point of 50 to 150° C., in which a content of the aliphatic compound is 1 to 5 parts by weight based on 100 parts by weight of the total amount of the rubber and/or thermoplastic elastomer and the polyolefin resin. The polyolefin resin foam of the invention is excellent in flexibility and cushioning properties, and has good processability, especially excellent cutting processability. | 01-21-2010 |
20100048751 | WATER DISPERSIBLE POLYMER COMPOSITIONS - The water dispersibility of water-soluble polymer particles can be improved by a method which comprises the following step: | 02-25-2010 |
20100105790 | PROCESS FOR PREPARING THERMOPLASTIC ELASTOMER COMPOSITION AND MOLDED PRODUCT - [PROBLEM] To provide a process for preparing a thermoplastic elastomer composition which is inhibited from sink mark in the injection welding of a linear part and a corner part of a glass run channel and has excellent bond properties, and a molded product obtained by the use of the composition. | 04-29-2010 |
20100113636 | Flexible acrylic foam composition - The present invention relates to an acrylic foam composition comprising an acrylic polymer and an acrylic processing aid which exhibits increased flexibility characteristics over other types of foam compositions. | 05-06-2010 |
20100120931 | PRESSURE SENSITIVE ADHESIVES - A pressure sensitive adhesive formed from a blend of an acrylate polymer having at least one crosslinkable functional group, and a liquid oligomer having at least one crosslinkable functional group, wherein at least one of the acrylate polymer and the oligomer is crosslinked in the presence of the other. | 05-13-2010 |
20100130630 | PROCESS FOR PREPARING A TRIBLOCK COPOLYMER COMPRISING A SEMI-CRYSTALLINE AND/OR HYDROLYSABLE BLOCK, AN ELASTOMERIC BLOCK AND AN AMORPHOUS BLOCK - The invention relates to a process for the preparation of a block copolymer comprising a sequence successively comprising a semicrystalline and/or hydrolysable block, an elastomeric block and an amorphous block, comprising the following stages:
| 05-27-2010 |
20100249256 | CROSSLINKABLE THEROMOPLASTIC OLEFIN ELASTOMERS AND CROSSLINKED THERMOSET OLEFIN ELASTOMER OBTAINED THEREFROM - Thermoset polyolefin elastomer obtained by static curing with water a silane-grafted thermoplastic heterophasic polyolefin composition (I) having a flexural modulus equal to or lower than 150 MPa, and comprising: (a) a crystalline propylene homopolymer or copolymer of propylene with up to 15% by weight of ethylene or other alpha-olefin comonomer(s), or their combinations, and (b) a copolymer or a composition of copolymers of ethylene with other alpha-olefins containing from 15% by weight to less then 40% by weight of ethylene; said thermoset polyolefin elastomer having a compression set value of from 30 to 65%, a ratio of elongation at break to compression set values of above 8, and hardness shore A values below 90. | 09-30-2010 |
20100249257 | Crystalline polyolefin blend comprising polyhedral oligomeric silsesquioxane nanoparticles - A crystalline polyolefin blend comprising dispersed polyhedral oligomeric silsesquioxane (POSS) nanoparticles has improved packing of chains, high draw-down ratios, as well as improved tensile and yield strength. The blend is made by melt blending the polyolefin with the POSS in the presence of a sorbitol nucleating agent and cooling the mixture so that the nucleating agent serves as a template for the in-situ self assembly of dispersed POSS nanoparticles and the formation of very small crystalline polyolefin sites. | 09-30-2010 |
20100292356 | PREPARATION METHOD OF POLYBENZIMIDAZOLE - Disclosed is a method of preparing porous polybenzimidazole. The method includes providing polyaminoimide by reacting aromatic amine including at least two ortho-positioned amino groups and acid dianhydride, obtaining polypyrrolone from the polyaminoimide, subjecting the polypyrrolone to alkaline treatment, and subjecting the alkaline-treated polypyrrolone to heat treatment. The polybenzimidazole shows permeability and selectivity for various gases due to a fractional free volume and well-connected picopores. | 11-18-2010 |
20100298456 | POLYPROPYLENE RESIN COMPOSITION, METHOD FOR PRODUCING THE SAME, AND FOAM MOLDED ARTICLE - There is provided a polypropylene resin composition comprising a propylene polymer (A) containing 0 to 70% by mass of a propylene homopolymer (A-1) and 30 to 100% by mass of a propylene-ethylene block copolymer (A-2) defined below, an ethylene-α-olefin copolymer (B) defined below, and an inorganic filler (C), wherein the proportion of the amount of the (A), the proportion of the amount of (B), and the proportion of the amount of (C) relative to the total amount of the (A), the (B) and the (C) are 40 to 94% by mass, 5 to 30% by mass, and 1 to 30% by mass, respectively, the propylene-ethylene block copolymer (A-2) is a mixture of a propylene homopolymer component and a propylene-ethylene random copolymer component, wherein the intrinsic viscosity, as measured in Tetralin of 135° C., of the propylene-ethylene random copolymer component is within the range of 2.0 to 8.0 dl/g, the ethylene-α-olefin copolymer (B) is a copolymer of ethylene and an α-olefin having 4 to 20 carbon atoms, the copolymer having a density of 0.85 to 0.89 g/cm | 11-25-2010 |
20110009513 | Imide-Coupled Propylene-Based Polymer and Process - Disclosed are propylene-based polymers with improved melt strength, improved strain hardening characteristics and processes for producing the same. The processes include reacting a polyamine with a maleic anhydride-grafted-propylene-based polymer. The processes produce a rheology-modified propylene-based polymer with long chain branching by forming a polyimide linkage which couples polymer chains of the propylene-based polymer. The polyimide-coupled propylene-based polymer exhibits improved melt strength and improved strain hardening characteristics. | 01-13-2011 |
20110082224 | BIODEGRADABLE IMPACT-MODIFIED POLYMER COMPOSITIONS - The invention relates to a impact-modified bio-degradable polymer composition having large particle size impact modifiers dispersed in a continuous biodegradable polymer phase. The impact modifiers have a core-shell morphology and have average sizes of greater than 250 nm. The impact-modified composition has good impact properties and low haze. The biodegradable polymer is preferably a polylactide or polyhydroxy butyrate. The composition comprises 30-99.9 weight percent of degradable polymer and 0.1 to 15 weight percent of one or more impact modifiers. | 04-07-2011 |
20110160324 | RESIN COMPOSITION FOR CROSS-LINKED FOAM MOLDING, CROSS-LINKED FOAM MOLDED ARTICLE, AND METHOD FOR PRODUCTION OF CROSS-LINKED FOAM MOLDED ARTICLE - A resin composition for cross-linking foam molding having a polymer composition which comprises 100 parts by weight of the following component (A) and 0.5 to 20 parts by weight of the following component (B); a foaming agent; and a cross-linking agent, wherein the component (A) is an ethylene-based polymer satisfying the following conditions (a1) to (a2): (a1) the density is 860 to 935 kg/m3, and (a2) the melt flow rate (MFR) is 0.1 to 10 g/10 minutes, and the component (B) is an ethylene-α-olefin copolymer satisfying the following conditions (b1) to (b3): (b1) the density is 890 to 925 kg/m | 06-30-2011 |
20110166242 | MASTERBATCH FOR FOAM MOLDING AND MOLDED FOAM - The present invention has its object to provide a masterbatch for foam molding, which can be suitably used for molding processes involving high shearing force, such as kneading molding, calender molding, extrusion molding, and injection molding, which shows a high expansion ratio, and which yields a foamed product with a good appearance. The present invention also has its object to provide a foamed product using the masterbatch for foam molding. | 07-07-2011 |
20110166243 | MICROPOROUS FILM AND METHOD FOR PRODUCING THE SAME - Provided is a microporous film which is made of a thermoplastic resin composition comprising (a) 100 parts by mass of a polypropylene resin and (b) 5 to 90 parts by mass of a polyphenylene ether resin, and which has a sea island structure comprising a sea portion comprising the polypropylene resin as a principal component and an island portion comprising the polyphenylene ether resin as a principal component, wherein pores are formed at an interface between the sea portion and the island portion and within the sea portion. | 07-07-2011 |
20110178195 | COMPOSITIONS FOR ABRASION RESISTANT FOAMS AND METHODS FOR MAKING THE SAME - The invention provides a composition comprising at least the following components: A) an olefin-based polymer, B) a functionalized polydimethysiloxane, and C) a foaming agent comprising at least one organic compound. | 07-21-2011 |
20110201710 | METHOD FOR PREPARING BIODEGRADABLE POLYMER STEREOCOMPLEXES USING A SUPERCRITICAL FLUID-ORGANIC SOLVENT SYSTEM AND STEREOCOMPLEXES PREPARED BY THE SAME - The present invention relates to methods for preparing biodegradable polymer stereocomplexes using a supercritical fluid-organic solvent system and polymer stereocomplexes prepared by such methods. The method of the present invention involves introducing two types of homopolymers having different stereostructures and a small amount of organic solvent into a reactor, adding a supercritical fluid thereto, followed by applying a specific temperature and pressure to form a polymer stereocomplex having a crystalline structure. According to the method of the present invention, biodegradable polymer stereocomplexes in the form of powder or porous foam having excellent thermal and mechanical stabilities can be prepared in a simple, economical and environmentally-friendly manner in a single process. | 08-18-2011 |
20110207841 | WATER FLUX POLYMER MEMBRANES - The invention relates to a polymer membrane composition having improved water flux and stable pore size. The water flux is improved by increasing the hydrophilicity of the membrane using a matrix polymer blended with controlled architecture amphiphilic block copolymers. Preferred membranes are those having a fluoropolymer matrix and acrylic amphiphilic block copolymers. The addition of the amphiphilic block copolymers are especially useful in microfiltration and ultra filtration membranes when used in water filtration. | 08-25-2011 |
20110237694 | POLYARYLENE ETHERS WITH IMPROVED FLOWABILITY - The present invention relates to thermoplastic molding compositions comprising the following components:
| 09-29-2011 |
20110263738 | EXPANSION MOLDED BODY AND METHOD FOR PRODUCING EXPANSION MOLDED BODY - A foamed article comprising a polyolefin resin composition (I) comprising a polyvinyl alcohol fiber (A), a polyolefin resin (B), and an unsaturated carboxylic acid-modified polyolefin resin and/or an unsaturated carboxylic acid derivative-modified polyolefin resin (C);
| 10-27-2011 |
20110294912 | REINFORCED THERMOPLASTIC MOLDING COMPOSITIONS BASED ON POLYARYLENE ETHERS - The present invention relates to thermoplastic molding compositions composed of the following components:
| 12-01-2011 |
20120035290 | PROPYLENE POLYMER RESIN COMPOSITION - A propylene polymer resin composition comprising 50-99 wt. % of a propylene polymer resin and 1-50 wt. % of an ethylene polymer resin, wherein said ethylene polymer resin has the following characteristics (A) through (E): (A) a density (d), as measured by a density gradient tube method according to JIS K6760, of 940-960 kg/m | 02-09-2012 |
20120101179 | Soft Polyolefin Foams With High Heat Resistance - The present invention relates to soft, closed cell polyolefin foams showing a good combination of high temperature resistance and softness as well as a laminate and uses thereof. | 04-26-2012 |
20120142796 | PROCESSABILITY IMPROVER FOR FOAM MOLDING AND VINYL CHLORIDE RESIN COMPOSITION CONTAINING SAME - An object of the present invention is to provide a foaming vinyl chloride resin composition having excellent foaming properties and providing a foam molded product with an excellent appearance by enhancing the melt strength of the vinyl chloride resin composition. A processability improver for foam molding according to the present invention includes a (meth)acrylic polymer powder with a weight average molecular weight of 2,000,000 to 7,000,000, wherein the (meth)acrylic polymer powder includes 1 to 20% by weight of a (meth)acrylic polymer (A) with a weight average molecular weight of 10,000 to 300,000, and 80 to 99% by weight of a (meth)acrylic polymer (B) with a weight average molecular weight of 2,000,000 to 7,000,000. | 06-07-2012 |
20120172472 | SILICONE COMPOSITION SUITABLE FOR CROSS-LINKING BY DEHYDROCONDENSATION IN THE PRESENCE OF A METAL CATALYST - A silicone composition is described that includes components having SiH/SiOH group and that can be polymerized/cross-linked by a dehydrocondensation reaction in the presence of a catalyst such as an iron-based complex or salt, requiring a low activation temperature. | 07-05-2012 |
20120172473 | SILICONE COMPOSITION WHICH IS CROSS-LINKABLE BY DEHYDROGENATIVE CONDENSATION IN THE PRESENCE OF A NON-METAL CATALYST - A silicone composition is described that includes components having SiH/SiOH groupings and that can be polymerized/cross-linked by a dehydrogenative condensation reaction in the presence of a non-metal tri- or tetrasubstituted non-silylated guanidine catalyst and requiring a low activation temperature. | 07-05-2012 |
20120259028 | REACTIVE POLYMERIC MIXTURE - The present invention relates to a reactive mixture, comprising poly(hydroxyalkanoic acid) or copolymer thereof and a reactive composition adapted such that a relatively rubbery phase is formed once reacted. Preferably the reactive composition is polymeric and comprises at least first and second reactable components which preferably contain epoxide moieties and carboxylic moieties respectively. The present invention also relates to a method for providing a reactive mixture, the method comprising the steps of combining poly(hydroxyalkanoic acid) or copolymer thereof, a first polymer having epoxide moieties and a second polymer having carboxylic moieties. | 10-11-2012 |
20120283346 | Modified Polyolefins - The invention provides a process for grafting silane or silicone functionality onto a polyolefin, comprising reacting the polyolefin with an unsaturated monomer (A) containing an olefinic —C═C— bond or acetylenic —C≡C— bond and a reactive functional group X in the presence of means capable of generating free radical sites in the polyolefin and with an organosilicon compound (B) having a functional group Y which is reactive with the functional group X of the unsaturated monomer (A), characterized in that the unsaturated monomer (A) contains an aromatic ring or a further olefinic double bond or acetylenic unsaturation, the aromatic ring or the further olefinic double bond or acetylenic unsaturation being conjugated with the olefinic —C═C— or acetylenic —C≡C— unsaturation of the unsaturated monomer (A). | 11-08-2012 |
20120309860 | METHODS OF MAKING LITHIUM ION BATTERY SEPARATORS - A porous thin-film polymer separator for use in a lithium ion battery may be formed by a phase separation method in which hydrophobic-treated ceramic particles are used to help induce the formation of a tortuous, interconnected network of pores coextensively across the thickness of the separator. As part of the phase separation method, a wet thin-film layer is formed from a polymer slurry that comprises a polymer solvent in which a polymer material is dissolved and the hydrophobic-treated ceramic particles are dispersed. The wet thin-film layer is subsequently exposed to a polymer non-solvent to form a solvent-exchanged thin-film precipitated polymer layer which is then heated to produce the separator. | 12-06-2012 |
20120316253 | CURABLE COMPOSITION - Disclosed is a curable composition including an organic polymer containing a crosslinkable silyl group, an ultraviolet ray absorbing agent having a triazine skeleton and a hindered amine based light stabilizer. The composition exhibits improved weather resistance in a thin layer and thick layer portion. Further, disclosed is a curable composition including an organic polymer containing a crosslinkable silyl group, a (meth)acrylic polymer containing an epoxy group, a divalent tin organic carboxylate and an organic amine compound. The composition exhibits excellent properties. Also, disclosed is a curable composition and sealing material including a reactive organic polymer containing at least one crosslinkable silyl group in one molecule thereof, a reactive organic polymer containing less than one crosslinkable silyl group in one molecule thereof, and thermally expandable hollow spheres. The composition has good physical properties. Also, disclosed is a fire-resistant structure forming method. | 12-13-2012 |
20130005843 | Self-adhesive silicone rubber compositions and articles comprising same - A self-adhesive silicone rubber composition includes a silicone rubber forming base and at least one adhesive agent mixed in the silicone rubber forming base prior to curing of the silicone rubber forming base. | 01-03-2013 |
20130005844 | Self-adhesive silicone rubber compositions and articles comprising same - A self-adhesive silicone rubber composition includes a silicone rubber forming base and at least one adhesive agent mixed in the silicone rubber forming base prior to curing of the silicone rubber forming base. | 01-03-2013 |
20130053464 | PREPARATION METHOD OF FLEXIBLE POLYLACTIDE STEREOCOMPLEX AND THE COMPOUND THEREOF - Disclosed are a polylactide stereocomplex with improved thermal stability and thus improved processability and a method for preparing the same. In order to confer flexibility to polymer chains, | 02-28-2013 |
20130079430 | RESIN COMPOSITION FOR POLYOLEFIN RESIN FOAM, POLYOLEFIN RESIN FOAM AND FOAMED SEALING MATERIAL - The present invention relates to a resin composition for a polyolefin resin foam, including: a polyolefin (A) having a melt flow rate (MFR) at a temperature of 230° C. of 0.2 to 0.7 g/10 min and a melt tension at break measured at a temperature of 190° C. of 30 cN or more; and a polyolefin (B) having a melt flow rate (MFR) at a temperature of 230° C. of 1.5 to 10 g/10 min and a melt tension at break measured at a temperature of 190° C. of 10 cN or more, in which the polyolefin (B) is contained in an amount of from 15 to 75 parts by weight based on 100 parts by weight of the polyolefin (A). | 03-28-2013 |
20130085196 | DISPERSING AGENT FOR ADDITIVE FOR POLYOLEFIN-BASED RESIN, POLYOLEFIN-BASED RESIN COMPOSITION, AND MOLDED ARTICLE - Disclosed is a versatile dispersant for an additive for olefin resins. The dispersant (A) for an additive (B) for polyolefins contains an alkyl methacrylate polymer which comprises an alkyl methacrylate (a1) unit having an alkyl group with a carbon number of at least 2 as the main component, and which has a mass average molecular weight of 15,000-145,000. | 04-04-2013 |
20130102695 | POLY(LACTIC ACID) AND POLYOLEFIN FILMS CONTAINING POROSITY AND SORBENTS - Single and multilayer porous polyolefin films are prepared by extruding polyolefin with poly(lactic acid) (PLA) and followed by uniaxial or biaxial stretching. PLA is used as a pore former that creates porosity. The film provides adjustable gas and water vapor transmission rate by varying the PLA content. Sorbents may optionally be added in the formulation in selective layers. The porous films are useful in packaging and consumable applications. In particular, partially miscible blends of PP and PLA is useful for creating fine porosity due to the fine PLA domains in the miscible blends. | 04-25-2013 |
20130109773 | METHODS AND COMPOSITIONS FOR TEXTILE LAYERS AND COATINGS | 05-02-2013 |
20130137788 | POROUS FILM - The invention provides a porous film including a polylactic acid based resin (A), a thermoplastic resin (B) that is not a polylactic acid based resin, and a filler (C), wherein resin (A) and resin (B) account for 10 to 95 mass % and 5 to 90 mass %, respectively, of the sum total 100 mass % of resin (A) and resin (B), while the filler (C) accounts for 1 to 400 parts by mass of the sum total 100 parts by mass of resin (A) and resin (B), with the porosity being 1 to 80%. The present invention provides a polylactic acid based porous film that has high flexibility, moisture permeability, heat resistance, and bleed-out resistance. | 05-30-2013 |
20130190416 | COMPOSITE MOLDED BODY AND METHOD FOR PRODUCING SAME - The present invention relates to a composite formed article, comprising a formed article (A) and a rubber- or gel-like cured product (B), wherein the rubber- or gel-like cured product (B) is obtained by curing an active energy ray-curable composition. The present invention also relates to a forming method for producing a composite formed article, comprising injecting the curable composition (C) into a cavity in the formed article (A) and then curing the curable composition (C) by exposure to active energy rays to give the rubber- or gel-like cured product (B). The method aims to provide a composite article that combines the functionalities of each material without deteriorating the shape or performance of either material in the composite article. | 07-25-2013 |
20130225707 | Articles Formed From Polypropylene Prepared with a Single-Site Catalyst and Poly(hydroxyl carboxylic acid) Blends - A resin composition comprising at least 0.1% by weight of poly(hydroxy carboxylic acid) and at least 50% by weight of polypropylene prepared with a single-site catalyst, preferably with a metallocene catalyst. | 08-29-2013 |
20130267621 | POLYTETRAFLUOROETHYLENE MIXTURE - Provided is a material that can be easily biaxially oriented, homogeneously stretched even with a high draw ratio, and formed into a PTFE porous membrane with low pressure loss. The present invention relates to a polytetrafluoroethylene mixture comprising: a fibrillable modified polytetrafluoroethylene; and a fibrillable polytetrafluoroethylene homopolymer, the polytetrafluoroethylene homopolymer having strength at break of 25 N or higher. | 10-10-2013 |
20130281558 | POLYTETRAFLUOROETHYLENE MIXTURE - Provided is a material that can be easily biaxially oriented, homogeneously stretched even with a high draw ratio, and formed into a polytetrafluoroethylene porous membrane with low pressure loss. The present invention relates to a polytetrafluoroethylene mixture comprising: a modified polytetrafluoroethylene; and a fibrillable polytetrafluoroethylene homopolymer, the modified polytetrafluoroethylene having an extrusion pressure to a cylinder, at a reduction ratio of 1600, of 70 MPa or higher. | 10-24-2013 |
20130303644 | LOW GLOSS CAPSTOCK - A low gloss capstock compound is disclosed. The combination of gloss inhibiting agents and polyolefin elastomer added to conventional polyethylene polymer resin achieves a gloss angle at 85° of below 10 GU. Optionally, the compound can also include weathering agents to improve outdoor durability. The compound can be fully formulated or a masterbatch for let-down into polymer to form the fully formulated compound. | 11-14-2013 |
20140088213 | Branched Polyethylenes by Hydrosilation Grafting to Improve Processability of Polyethylene - This invention relates to blends of polyalphaolefins (PAOs) and polyhydrosilane-modified polyolefins, methods to prepare the blends and methods to prepare polyhydrosilane-modified polyolefins. | 03-27-2014 |
20140107241 | HEAT RESISTANT, FLAME RETARDANT POLYLACTIC ACID COMPOUNDS - Significant disadvantages of the use of polylactic acid (PLA), lack of good heat stability and flame retardance, have been overcome by the use of resorcinol bis(diphenyl phosphate) in combination with talc. The compound achieves a threshold of 65° C. in heat deflection temperature and V-0 flame retardance at 1.6 mm thickness. | 04-17-2014 |
20140221516 | POLYOLEFIN RESIN COMPOSITION AND APPLICATIONS THEREOF - There are provided a polyolefin resin composition having excellent mechanical properties and thermal resistance; a film formed of the polyolefin resin composition, which has excellent mechanical properties and thermal resistance and which is less likely to suffer from fisheyes; a microporous membrane having excellent permeability and shutdown properties in addition to the above-mentioned physical properties; and applications thereof. Such objects are accomplished by a polyolefin resin composition containing an ultra-high molecular weight ethylene polymer (A), a 4-methyl-1-pentene polymer or 3-methyl-1-pentene polymer (B), and a polymer of an olefin having 2 to 12 carbon atoms (C) at an intended ratio. | 08-07-2014 |
20140303270 | ENERGY ABSORBING BLENDS - A composite material which is elastic, which exhibits a resistive load under deformation which increases with the rate of deformation, which is unfoamed or foamed, comminuted or uncomminuted and which comprises i) a first polymer-based elastic material and ii) a second polymer-based material, different from i), which exhibits dilatancy in the absence of i) wherein ii) is entrapped in a solid matrix of i), the composite material being unfoamed or, when foamed, preparable by incorporating ii) with i) prior to foaming. | 10-09-2014 |
20140329920 | POLYCARBONATE-SILOXANE COPOLYMER FLAME RETARDED WITH A SILICONE BASED CORE SHELL MODIFIER - Disclosed herein are compositions including a polycarbonate-siloxane copolymer and a silicone-based graft copolymer. The compositions may include one or more additional polymers, such as a bisphenol-A polycarbonate. The compositions may include additional components, such as anti-drip agents, and/or flame retardant salt additives. Also disclosed herein are articles including the compositions, methods of using the compositions, and processes for preparing the compositions. | 11-06-2014 |
20150045467 | METHOD FOR PRODUCING FOAM-MOLDED ARTICLE, AND FOAM-MOLDED ARTICLE - Even when a mixture resin of virgin resin and recovered resin material is used as a resin material for molding, a stable, high-quality foam-molded article with excellent impact resistance is produced at low cost. For this, the resin material that is used includes a mixture resin of recovered resin material obtained by pulverizing a resin material solidified after melting, and virgin resin without thermal history of melting, and a foaming agent added to the mixture resin. The resin material is a mixture of a polypropylene-based resin and a polyethylene-based elastomer. | 02-12-2015 |
20150045468 | METHOD FOR MANUFACTURING FOAM-MOLDED ARTICLE, AND FOAM-MOLDED ARTICLE - A foam-molded article has high weldability to a polypropylene-based resin molded article, a high expansion ratio, and a predetermined level of impact resistance despite using inexpensive polyethylene-based resin. The foam-molded article includes a foamed and molded base material resin in which a first polyethylene-based resin, a second polyethylene-based resin, and a polypropylene-based resin are mixed. The first polyethylene-based resin has a long-chain branched structure and a density of 0.920 g/cm | 02-12-2015 |
20150051307 | Self-Adhesive Silicone Rubber Compositions and Articles Comprising Same - A self-adhesive silicone rubber composition includes a silicone rubber forming base and at least one adhesive agent mixed in the silicone rubber forming base prior to curing of the silicone rubber forming base. | 02-19-2015 |
20150057385 | PREPARATION METHOD OF FLEXIBLE POLYLACTIDE STEREOCOMPLEX AND THE COMPOUND THEREOF - Disclosed are a polylactide stereocomplex with improved thermal stability and thus improved processability and a method for preparing the same. In order to confer flexibility to polymer chains, | 02-26-2015 |
20150065595 | Polyethylene Resin Composition, Microporous Film and method for manufacturing the microporous film, and separator for battery - The present disclosure relates to a polyethylene resin composition contains an ethylene homopolymer. | 03-05-2015 |
20150119483 | FLAME RETARDANT POLY(SILOXANE) COPOLYMER COMPOSITIONS, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - A poly(siloxane) copolymer composition comprising: a first polymer comprising a first repeating unit, and a poly(siloxane) block unit, a second polymer different from the first polymer and comprising of bromine; and optionally, one or more third polymers different from the first polymer and second polymer; wherein siloxane units are present in the composition in an amount of at least 0.3 wt %, and bromine is present in the composition in an amount of at least 7.8 wt %, each based on the sum of the wt % of the first, second, and optional one or more third polymers; and further wherein an article molded from the composition has an OSU integrated 2 minute heat release test value of less than 65 kW-min/m | 04-30-2015 |
20150126633 | METHOD FOR FABRICATION OF POROUS FIBROUS MICROSTRUCTURE WITH VARIOUS 3-DIMENSIONAL STRUCTURES - The present invention relates to a method for fabricating a three-dimensional porous fibrous microstructure, various three-dimensional porous fibrous microstructures fabricated by the method, an apparatus for detecting a biological marker and a drug delivery system comprising the microstructure. The porous fibrous microstructure of the present invention has excellent interconnectivity between pores and micropores and captures and delivers target particles at high efficiency, and thus can be usefully applied to biomedical applications including the detection of a biomarker and drug delivery. | 05-07-2015 |
20150133574 | MICROORGANISM CONCENTRATION PROCESS AND DEVICE - A process for capturing or concentrating microorganisms for detection or assay comprises (a) providing a concentration device comprising a sintered porous polymer matrix comprising at least one concentration agent that comprises an amorphous metal silicate and that has a surface composition having a metal atom to silicon atom ratio of less than or equal to 0.5, as determined by X-ray photoelectron spectroscopy (XPS); (b) providing a sample comprising at least one microorganism strain; and (c) contacting the concentration device with the sample such that at least a portion of the at least one microorganism strain is bound to or captured by the concentration device. | 05-14-2015 |
20150343392 | POLYMER COMPOSITION AND POROUS MEMBRANE - A polymer composition containing a polymer (B) obtained by polymerizing a monomer composition containing: a methacrylic acid ester macromonomer (b1) represented by the following formula (1); and another monomer (b2). Also, a porous membrane formed from a membrane forming polymer (A) and the aforementioned polymer composition. | 12-03-2015 |
20150368430 | THERMALLY STABILIZED POLYARYLENE COMPOSITIONS - A polyarylene composition containing one or more polyarylenes and one or more sterically hindered phenolic stabilizers. The polyarylene composition has enhanced resistance to discoloration and degradation under thermal stress. | 12-24-2015 |
20150368449 | HIGH-FLOW FIBER REINFORCED POLYPROPYLENE COMPOSITION - Fiber reinforced composition comprising a heterophasic propylene copolymer, a propylene homopolymer and/or a propylene copolymer, and fibers having an average diameter of 12.0 μm or less, wherein the propylene copolymer comprises not more than 2.0 wt.-% C2 to C10 α-olefins other than propylene, the propylene homopolymer and the propylene copolymer have a melt flow rate MFR | 12-24-2015 |
20150376341 | HYDROPHILIC BLOCK COPOLYMERS AND MEMBRANES PREPARED THEREFROM (II) - Disclosed is a block copolymer of the formula: A-B-A (I) or A-B (II), wherein block A is: (i) a polymer of allyl glycidyl ether or (ii) a polymer of allyl glycidyl ether wherein one more of the allyl groups have been replaced with 1,2-dihydroxypropyl group or a group of the formula: —(CH | 12-31-2015 |
20160060414 | Thermoformed foam articles - A method for manufacturing a thermoformed a polyetherimide/poly(biphenyl ether sulfone) foam article which comprises following three steps:
| 03-03-2016 |
20160102185 | Polymeric Material with a Multimodal Pore Size Distribution - A polymeric material having a multimodal pore size distribution is provided. The material is formed by applying a stress to a thermoplastic composition that contains first and second inclusion additives dispersed within a continuous phase that includes a matrix polymer. Through the use of particular types of inclusion additives and careful control over the manner in which such additives are dispersed within the polymer matrix, the present inventors have discovered that a unique, multimodal porous structure can be achieved. | 04-14-2016 |
20160177048 | Anisotropic Polymeric Material | 06-23-2016 |
20160185928 | POLYMER NANOPARTICLES FOR IMPROVED DISTORTION CAPABILITY IN COMPOSITES - A composition may include a resin and a plurality of polymer nanoparticles included in the resin to form a resin mixture. At least some of the polymer nanoparticles may have a greater distortion capability than the resin due to the nature of the polymer backbone of the polymer nanoparticles, and/or due to the nanoparticle free volume being greater than the free volume of the resin, and/or due to the nanoparticle porosity being greater than a porosity of resin. The incorporation of the polymer nanoparticles in the resin may result in an improvement in the strain and/or distortional capability of the resin mixture which may improve the performance of the composite structure. | 06-30-2016 |
20160185929 | Technique for Selectively Controlling the Porosity of a Polymeric Material - A method for selectively controlling the degree of porosity in a polymeric material is provided. The material is formed from a thermoplastic composition containing a microinclusion additive and nanoinclusion additive that are dispersed within a continuous phase of a matrix polymer in the form of discrete domains. At least a portion of the polymeric material is strained so that a porous network is formed therein, Further, at least a portion of the strained polymeric material is heat treated so that it exhibits a Sower pore volume than the material prior to heat treatment, in this manner, the polymeric material can exhibit a high degree of initial flexibility, but this flexibility can be selectively reduced when desired. | 06-30-2016 |
20170233566 | Bimodal Polypropylene Compositions | 08-17-2017 |
20180022846 | HYDROPHILIZING AGENT, COMPOSITION CONTAINING HYDROPHILIZING AGENT, AND POROUS POLYMER FILM | 01-25-2018 |
20180022886 | PROPYLENE RESIN FOAM PARTICLES AND FOAM PARTICLE MOLDED ARTICLE | 01-25-2018 |