Class / Patent application number | Description | Number of patent applications / Date published |
525093000 | Mixture contains solid polymer derived from reactant containing chalcogen | 36 |
20080249243 | Partially neutralized chlorosulfonated polyolefin elastomers - Partially neutralized chlorosulfonated polyolefin elastomers containing 0.5-10 weight percent chlorine and 0.25 to 5 weight percent sulfur are prepared from polyolefin elastomer base resins selected from the group consisting of propylene/ethylene copolymers, ethylene/propylene/diene copolymers, isobutylene/diene copolymers, isobutylene homopolymers, hydrogenated styrene/butadiene block copolymers and hydrogenated styrene/isoprene block copolymers. | 10-09-2008 |
20090036606 | THERMOPLASTIC POLY(ARYLENE ETHER) / POLYESTER BLENDS AND METHOD OF MAKING - Disclosed herein is a polymer composition comprising: a poly(arylene ether); a polyester; and an impact modifier. The composition has a continuous phase comprising polyester and a disperse phase comprising poly(arylene ether). The amount of the disperse phase is less than 35 weight percent, based on the total weight of the composition. | 02-05-2009 |
20090143532 | Transparent Rubber Modified Styrene Resin and Method for Preparing the Same by Continuous Bulk Polymerization - One aspect of the invention relates to a transparent rubber-modified styrenic resin composition. The resin composition comprises about 5 to about 30 parts by weight of a styrene-butadiene rubbery copolymer; and about 0 to about 15 parts by weight of a matrix resin comprising about 20 to about 40 parts by weight of styrenic monomer, about 30 to about 60 parts by weight of unsaturated carboxylic acid alkyl ester monomer and about 0 to about 15 parts by weight of vinyl cyanide monomer; wherein the difference between the refractive index of the rubbery copolymer and the matrix resin is about 0.005 or less and the transparent rubber-modified styrenic resin composition has a haze of about 5% or less as measured by a Nippon Denshoku Haze meter using a 3 mm thick test sample. | 06-04-2009 |
20090171023 | THERMOPLASTIC POLYMER COMPOSITION AND MOLDED PRODUCT - The present invention provides a thermoplastic polymer composition capable of exhibiting excellent impact resistance, durability and destaticizing property. The present invention relates to a thermoplastic polymer composition comprising (A) 50 to 95% by mass of an aliphatic polyester-based resin and (B) 5 to 50% by mass of a block copolymer comprising (B) a hard segment block comprising at least one polymer selected from the group consisting of a polyamide, a polyester, a polyolefin and a polyurethane, and (B2) a soft segment block having an ether bond, with the proviso that a total amount of the components (A) and (B) is 100% by mass. In the preferred embodiment of the present invention, the thermoplastic polymer composition further comprises a specific amount of at least one polymer selected from the group consisting of (C1) a polyester-based resin, (C2) a polyamide-based resin, (C3) an acrylic resin, (C4) a polycarbonate-based resin, (C5) a polyacetal-based resin, (C6) a polyphenylene ether-based resin, (C7) a polyolefin-based resin and (C8) a styrene-based resin. | 07-02-2009 |
20090247700 | Block copolymer, resin composition comprising same, and process for producing the resin composition - A block copolymer comprised of a polymer block or blocks (A) comprising conjugated diene monomer units and a polymer block or blocks (B) comprising conjugated diene monomer units and aromatic vinyl monomer units, wherein (1) the polymer block or blocks (A) have a glass transition temperature in the range of −88 to −45° C., (2) the polymer block or blocks (B) have a glass transition temperature in the range of 30 to 90° C., (3) the content of aromatic vinyl monomer units in the block copolymer is in the range of 30 to 52% by weight based on the total weight of the block copolymer, (4) the block copolymer has an aromatic vinyl block ratio of smaller than 69% by weight based on the total weight of the block copolymer, and (5) the viscosity of a 5% by weight solution of the block copolymer in styrene is at least 5 mPa·s but smaller than 30 mPa·s. This block copolymer is used as a modifier for resin. | 10-01-2009 |
20090264591 | THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE OBTAINED FROM THE SAME - A thermoplastic resin composition contains (i) a polylactic acid, (ii) a polyolefin, and (iii) a compatibilizer (functional group-containing polymer that includes a functional group selected from functional groups X including a carboxyl group, an acid anhydride group, an epoxy group, a (meth)acryloyl group, an amino group, an alkoxysilyl group, a hydroxyl group, an isocyanate group, and an oxazoline group). The thermoplastic resin composition contains (iii-1) a functional group-containing hydrogenated diene polymer and (iii-2) a functional group-containing olefin polymer as the component (iii). | 10-22-2009 |
20100105837 | THERMOPLASTIC COMPOSITION AND MOLDED ARTICLE THEREOF - The present invention discloses a thermoplastic resin composition comprising: (A) 95 to 5 parts by weight of a styrenic resin and/or a polyphenylene ether resin; (B) 5 to 95 weight parts of an olefinic resin; and (C) 1 to 28 parts by weight of a partially hydrogenated block copolymer based on 100 parts by weight of the total amount of the components (A) and (B), wherein the component (C) comprises at least one polymer block X containing a vinyl aromatic compound as a main component and at least one polymer block Y containing a conjugated diene compound as a main component, a content of the vinyl aromatic compound in the component (C) is at least 10 wt % and at most 80 wt %, the vinyl bond content before hydrogenation in the component (C) is 3 wt % or more and less than 50 wt %, and 1 mol % or more and less than 40 mol % of double bonds derived from the conjugated diene compound in the block copolymer which constitutes the component (C) are hydrogenated. | 04-29-2010 |
20100105838 | MATERIAL FOR MD SHRINK AND MD SHRINK FILM - Provided are a material for an MD shrink film with good shrinking performance and thickness accuracy, and a film formed with the material. | 04-29-2010 |
20100120985 | PROCESS FOR PRODUCING POLYMERIC OBJECT HAVING MICROPHASE-SEPARATED STRUCTURE AND POLYMERIC OBJECT HAVING MICROPHASE-SEPARATED STRUCTURE - A process for producing a polymeric object having a microphase-separated structure that can improve the degree of freedom for the structure to be formed is provided. A block copolymer composed of two or more segments and having a first segment composed of a monomer unit having a first functional group capable of forming an ionic bond and/or a hydrogen bond and a second segment incompatible with the first segment, and a polymer having, at other than the terminals of its polymer chain, a second functional group capable of forming an ionic bond and/or a hydrogen bond with the first functional group are mixed. Then, allowing the first segment to be associated with the polymer at many points by an ionic bond and/or a hydrogen bond, the mixture of the copolymer and the polymer is microphase separated. As a result, a polymeric object is formed including a region including the first segment and the polymer that have been associated with each other, and a region including the second segment. | 05-13-2010 |
20100311907 | POLYMER COMPOSITION WITH ELASTOMERIC PROPERTIES AT WIDE TEMPERATURE RANGES AND PROCESS FOR THE PREPARATION THEREOF - It is depicted a polymer composition with elastomeric properties at wide temperature ranges of the type comprising polymers and/copolymers resulting from substituted or unsubstituted vinyl aromatic monomers and from dienic monomers, which is homogeneous and compatible in nature, with such composition being based on stereoregular polymers and without requiring the additional use of compatibilizing agents. Likewise, it is depicted the process to obtain the same, as well as to hydrogenise them, without requiring the use of additional catalyzers or processes. | 12-09-2010 |
20110028650 | METHOD FOR MAKING A POLYAMIDE FILM - Method for making a film comprising, as sole layer(s), at least one layer L1 consisting of a polyamide composition comprising an aromatic polyamide and an impact modifier, said method comprising extruding the polyamide composition into the film. | 02-03-2011 |
20120010365 | POLYCARBONATE/POLYOLEFIN BASED RESIN COMPOSITIONS AND THEIR PRODUCTION PROCESSES AND USES - A method of making resin composition having excellent wear properties that includes 50 to 99 wt. % of a polycarbonate resin and from 1 to 50 wt. % of a polyolefin that has been modified with at least one functional group selected from a carboxyl, an acid anhydride, an epoxy groups or mixtures containing at least one of the foregoing functional groups, each based on the total combined weight of the resin composition, exclusive of any filler. The resin composition optionally contains an unmodified polyolefin and/or a bi-functional monomer. The resin composition can be molded into articles having improved wear characteristics. The process is a one-step process that improves the efficiency and/or yield of the resin composition as compared to prior-art two-step processes. | 01-12-2012 |
20120252978 | COMPOSITION FOR A STRUCTURAL ADHESIVE - The present invention relates to a polymerization-initiating agent for acrylic adhesives containing an epoxidized silane. | 10-04-2012 |
20140031495 | NOVEL COMPOSITION FOR THE PRODUCTION OF VINYLAROMATIC MATERIALS WITH IMPACT STRENGTH IMPROVED BY A STRUCTURE-MODIFYING ADDITIVE - The present invention refers to an improved composition for the production of vinyl aromatic polymers modified with rubber, in which a substantial impact resistance improvement of the final product is produced by the incorporation of a structure modifying additive in different steps of the polymerization, preferably during the process of co-continuity of phases and specially, during the inversion of phases interval. The additive is an insaturated compound of formula: | 01-30-2014 |
20140100334 | Interpolymers Containing Isobutylene And Diene Mer Units - This disclosure relates to a block interpolymer comprising at least one diene block and at least one butyl block, wherein the at least one butyl block comprises residue from a functionalizing agent on at least one end adjacent to the diene block(s). The disclosure also relates to methods of making such block interpolymers. Also disclosed is a rubber composition comprising: (a) a block interpolymer comprising at least one diene block and at least one butyl block, and (b) a filler, wherein said at least one butyl block comprises residue from a functionalizing agent on at least one end adjacent to said diene block(s). | 04-10-2014 |
525094000 | Solid block or block-type copolymer derived from reactant containing carboxylic acid ester group | 21 |
20080312378 | Gypsum wallboard - A polymer latex suitable for use in gypsum wallboard or other applications. The polymer latex is a styrene butadiene latex that is substantially stable against divalent ions. The polymer latex includes styrene, butadiene, and an ionic monomer comprised of a 2-acrylamido-2-methyl propanesulfonic acid salt. The polymer latex may also include hydrophilic adjunct comonomers. The latex includes at least 0.25 wt. % of the ionic monomer. | 12-18-2008 |
20090062470 | Zwitterionic block copolymers and methods - Zwitterionic block copolymers having oppositely charged or chargeable terminal groups, and methods of making and using the same, are disclosed. The zwitterionic block copolymers can undergo microphase separation. | 03-05-2009 |
20090163661 | Modified Acrylic Block Copolymers For Hydrogels and Pressure Sensitive Wet Adhesives - A method of producing an acrylic block copolymer comprising hydrophobic poly (lower alkyl methoacrylate), hydrophilic poly (lower alkyl methacrylic acid), and hydrophobic poly (lower alkyl methacrylate). | 06-25-2009 |
20090171024 | PREPARATION OF BLOCK COPOLYMERS - The present invention is directed towards a polymerization process for the preparation of block copolymers. In an embodiment, the polymerization process may comprise low levels of catalyst in an oxidized state that react with a reducing agent to form an active catalyst. Embodiments of the process surprisingly use low levels of catalysts and allow formation of the all blocks with the same catalyst. The catalyst may be deactivated and reactivated to form each block. In one embodiment of the invention, the catalyst is oxidized to the deactivator state when the desired degree of polymerization of a polymer segment or block is reached. The first monomer may be removed prior to addition of the second monomer. The catalyst may then be reactivated for preparation of a second block. A further embodiment may include addition of second radically polymerizable monomer to provide efficient initiation of the macroinitiator to transition from polymerization of the first block or segment to polymerization of a second block or blocks. | 07-02-2009 |
20090215960 | Thermoplastic Resin Having Uniform Composition and Narrow Molecular Weight Distribution, and Method for Preparing the Same - A method for preparing a thermoplastic resin is disclosed, which includes consecutively polymerizing a mixed raw material comprising a (meth)acrylic acid alkyl ester, an aromatic vinyl monomer and a unsaturated nitrile monomer in a plurality of serially connected reactors while controlling polymerization conversion in each reactor to be about 40% or less. The invention also relates to a transparent ABS resin composition which employs the thermoplastic resin as a matrix resin. | 08-27-2009 |
20090247701 | COMPOSITION FOR FORMING AN INSULATING FILM - An object of the invention is to provide a composition for forming an insulating film which can form an insulating film having a lowered dielectric constant using a hole forming agent, wherein the generation of spaces (voids) in which holes are connected to one another is prevented. | 10-01-2009 |
20100041829 | POLYMER STRING - Polymer string mainly but not exclusively consisting of one or several plastics, characterised in that at least one plastic consists of a thermoplastic material in which at least one alkylbenzyl ester of a 1,2 dicarboxylic acid or one of its derivates is distributed homogeneously, that the alkyl chain of the alkyl-benzyl ester or one of its derivates consists of at least five carbon atoms, and that it is used in a concentration between 0.1 to 5 percent by weight, better between 0.3 to 4 percent by weight, and even better between 0.3 to 1.2 percent by weight. | 02-18-2010 |
20100063210 | METHACRYLIC RESIN COMPOSITION, RESIN MODIFIER, AND MOLDED ARTICLE - A methacrylic resin composition in which a star block copolymer (B) in the form of particles is dispersed in a matrix (A) composed of a methacrylic resin comprising not less than 50% by mass of a methyl methacrylate unit. The methacrylic resin composition is obtained by bulk-polymerizing or solution-polymerizing 100 parts by mass of a monomer mixture (A′) containing 50 to 100% by mass of methyl methacrylate and 0 to 50% by mass of other vinyl monomer copolymerizable with the methyl methacrylate, in the presence of 1 to 80 parts by mass of the star block copolymer (B) comprising a polymer block (a) composed of a (meth)acrylic acid alkyl ester unit and a polymer block (b) composed of a conjugated diene compound unit, until the polymerization conversion of the monomer reaches 70% by mass or more. | 03-11-2010 |
20100137517 | AMPHIPHILIC NETWORKS, PROCESS FOR PRODUCING SAME, AND PRODUCTS MADE THEREFROM - The present invention relates to the production of amphiphilic copolymer networks, or co-networks, and to methods for preparing amphiphilic co-networks. Furthermore, the present invention relates to products and/or films made from the amphiphilic co-networks produced in accordance with the synthesis methods of the present invention. In one embodiment, the present invention is related to crosslinkable and/or polymerizable compositions that can be utilized to form amphiphilic co-networks, where such compositions are block copolymer compositions that are formed from the combination of at least one hydrophilic segment, at least one hydrophobic segment, and at least one crosslinkable and/or polymerizable segment. In yet another embodiment, the present invention relates to amphiphilic co-networks that are optically clear and highly oxyphilic. | 06-03-2010 |
20100190930 | BLOCK COPOLYMER COMPOSITION AND USE THEREOF IN A PROJECTION DEVICE - The invention relates to a composition that contains, in weight and for a total of 100%: from 10 to 40% of a block copolymer including a central block B with Tg<0° C. and at least two side rigid blocks A and A′ with Tg>0° C. that include MAM as a main monomer as well as patterns derived from (meth)acrylic acid and/or anhydrous groups of the formula (I) in which R1 and R2 are H or a methyl radical; from 90 to 60% of at least one PMMA. The invention also relates to the use of such a composition for making a transparent protection part for a projector, and to the projecting device itself. | 07-29-2010 |
20100324218 | TRANSPARENT CHEMICAL RESISTANT IMPACT ACRYLIC ALLOY - The invention relates to acrylic alloy compositions that are transparent and have excellent chemical and impact resistance. The acrylic alloy is especially useful in bio-pharmaceutical and medical applications in which the composition needs a resistance to isopropyl alcohol, lipids and impact. The acrylic alloy containing is a melt blend of a high molecular weight acrylic copolymer, polyvinylidene fluoride, optional impact modifier and other additives. | 12-23-2010 |
20110218303 | THERMOPLASTIC POLYMER COMPOSITION AND SHEET-LIKE MOLDED ARTICLE THEREFROM - [Object] Provided are a sheet-like molded article having excellent surface smoothness, moldability, flexibility, and a high transmittance of short-wavelength light, and a thermoplastic polymer composition used to produce the sheet-like molded article. | 09-08-2011 |
20110306729 | CROSS-LINKING COMPOSITION IN THE FORM OF GRANULES FOR PREPARING CROSS-LINKED BITUMEN/ELASTOMER COMPOSITIONS - The disclosure relates to a cross-linking composition in pellet form including at least one polymer matrix, at least one cross-linking agent and at least one hydrogen sulphide inhibiting agent, the hydrogen sulphide inhibiting agent including at least one zinc carboxylate and at least one triazine derivative. It also relates to its preparation method. | 12-15-2011 |
20120101231 | Polymer Composition prepared from acrylic polymer grafted with a functionalized block copolymers - The present invention relates to various end use applications prepared from certain block copolymers. The block copolymers include one or more A or A′ blocks or B blocks plus one or more terminal M blocks. Each A and A′ is a block or segment comprising predominantly a polymerized alkenyl aromatic compound, each B is a block or segment comprising predominantly a polymerized conjugated alkadiene, and each M is a six membered anhydride ring and/or acid group. The anhydride rings are prepared by thermally decomposing adjacent units of (1-methyl-1-alkyl)alkyl acrylic esters such as t-butylmethylacrylate. A wide variety of polymers are disclosed having the stable anhydride rings in the polymer backbone. The invention relates specifically to various end uses prepared from the reaction product of such block copolymers with various reactive resins, reactive monomers and metal derivatives. | 04-26-2012 |
20130217827 | METHACRYLIC RESIN COMPOSITION, RESIN MODIFIER, AND MOLDED ARTICLE - An object of the present invention is to provide a methacrylic resin composition which exhibits excellent flexibility, elasticity, impact resistance, and plasticity and moldability while transparency inherent to methacrylic resins is maintained. A methacrylic resin composition to be produced is composed of 10 to 99 parts by mass of a methacrylic resin (A) containing not less than 80 mass % of a methyl methacrylate unit and 90 to 1 part by mass of a block copolymer (B) containing 10 to 60 mass % of a methyl methacrylate polymer block (b1) and 90 to 40 mass % of an acrylate polymer block (b2) and having a refractive index of 1.485 to 1.495 (the total of (A) and (B) is 100 parts by mass). | 08-22-2013 |
20140024779 | Star Macromolecules for Personal and Home Care - A polymer composition comprising star macromolecules is provided. Each star macromolecule has a core and five or more arms, wherein the number of arms within a star macromolecule varies across the composition of star molecules. The arms on a star are covalently attached to the core of the star; each arm comprises one or more (co)polymer segments; and at least one arm and/or at least one segment exhibits a different solubility from at least one other arm or one other segment, respectively, in a reference liquid of interest. | 01-23-2014 |
20140107294 | EXTENDED FILM AND THE MANUFACTURING METHOD THEREOF - An extended film and a manufacturing method thereof are provided. The extended film includes a poly(lactic acid) and a block copolymer, wherein the block polymer includes a first block, a second block and a third block that connected with each other by chemical bonds. The extended film is formed by steps of mixing poly(lactic acid) and the block copolymer to form a mixture, compressing the mixture to form a board body and extending the board body to form an extended film, thereby forming an extended film having properties of high thermal-resistance and high transparency, the film thus obtained is applicable for packaging use. | 04-17-2014 |
20140148552 | Biomimetic Agent For Anti-Biofouling Coating And Method For Making The Same - The present invention provides a biomimetic agent for anti-fouling coating and a method for making the same. The biomimetic agent comprises a block, random, or alternating copolymer having a general formula (1): AU | 05-29-2014 |
20160009845 | Mechanoresponsive Healing Polymers | 01-14-2016 |
20160017138 | LIQUID (METH)ACRYLIC SYRUP FOR IMPREGNATING A FIBROUS SUBSTRATE AND METHOD FOR THE PRODUCTION THEREOF, METHOD FOR IMPREGNATING A FIBROUS SUBSTRATE, AND COMPOSITE MATERIAL PRODUCED AFTER POLYMERISATION OF SAID PRE-IMPREGNATED SUBSTRATE - The invention relates to a liquid (meth)acrylic syrup for impregnating a fibrous substrate. The invention especially relates to a viscous liquid syrup mainly containing methacrylic or acrylic components. The invention also relates to a method for producing such a syrup. The invention relates further to a process for impregnating a fibrous substrate or long fibers with said viscous liquid syrup. The invention also relates to a fibrous substrate preimpregnated with said syrup, which is useful for the production of mechanical or structured parts or products. The invention also relates to a production method for producing mechanical or structured parts or items and to three-dimensional mechanical or structured parts produced by said method. The invention applies to the production of mechanical parts or structural elements made of impact-resistant thermoplastic composite material. | 01-21-2016 |
20160102197 | TRANSPARENT, IMPACT-MODIFIED STYRENE-COPOLYMER-BASED MOLDING COMPOUND - The invention relates to thermoplastic molding compounds which contain impact-modified styrene/nitrile monomer copolymers, to molded products and films produced therefrom and to the use thereof. The impact modifiers used are linear A-B-A tri-block copolymers from hard polymer blocks A and a soft polymer block B, preferably polymethylmethacrylate-block-polybutylacrylate-block-polymethylmethacrylate. | 04-14-2016 |