| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 525095000 | Mixture contains solid block or block-type copolymer derived from ethylenically unsaturated hydrocarbon reactants only at least one of which contains at least four carbon atoms | 44 |
| 20080306214 | Hot Melt Adhesive Based on Styrene-Ethylene-Ethylene-Propylene-Styrene Copolymer - A hot melt adhesive composition, comprising a blend of components including about 1% to about 20% by weight of a styrene-ethylene-ethylene-propylene-styrene (SEEPS) random block copolymer; about 10% to about 70% by weight of a first midblock tackifying resin having a softening point of at least about 85° C.; about 0 to 65% of a second midblock tackifying resin; about 5% to about 60% by weight of a plasticizer; about 0% to about 20% by weight of an end block reinforcing resin having a softening point equal to or higher than 115° C.; and about 0.1% to about 5% of a stabilizer; wherein the components total 100% by weight of the composition, and the viscosity of the composition is equal to or less than about 20,000 mPa.s at 160° C. Laminates, especially those used in disposable soft goods, and methods of making such laminates using the hot melt adhesive composition are also described. The adhesive composition and/or laminate may be used in making a variety of end products such as a disposable diaper, a sanitary napkin, a bed pad, a bandage, a surgical drape, a tape, a label, a plastic sheet, a nonwoven sheet, a paper sheet, a cardboard, a book, a filter, or a package. | 12-11-2008 |
| 20090048397 | Oxygen-Absorbing Resin Compositions, Oxygen-Absorbing Film, and Oxygen-Absorbing Multilayer Structure - [Problems] To provide an oxygen absorbing resin composition which is excellent in oxygen absorption at room temperature, reduced in metal content, and reduced in odor emission after oxygen absorption; an oxygen-absorbing film comprising one of the oxygen-absorbing resin compositions; and an oxygen-absorbing multilayer structure including an oxygen-absorbing layer comprising one of the oxygen-absorbing resin compositions. | 02-19-2009 |
| 20090105418 | Elastic Film Compositions with Improved Tear Resistance - A film composition comprising one or more propylene-based polymers and one or more hydrocarbon resins, and methods for making the same are provided. The propylene-based polymer may have (i) 60 wt % or more units derived from propylene, (ii) isotactically arranged propylene derived sequences, and (iii) a heat of fusion less than 65 J/g. The hydrocarbon resin may have a glass transition temperature greater than 20° C. | 04-23-2009 |
| 20090118426 | OLEFIN POLYMER AND PROCESS FOR PREPARING THE SAME - The present invention provides an olefin polymer having a narrow molecular weight distribution and a specific molecular weight, an olefin polymer having a functional group introduced at the terminal, a tapered polymer containing a segment wherein monomer composition continuously changes in the polymer chain, an olefin polymer having different segments which are bonded to each other, and a process for preparing these polymers. The olefin polymers of the invention are polymers of olefins of 2 to 20 carbon atoms and have a number-average molecular weight of not less than 500 and Mw/Mn of not more than 1.5. In the process for preparing an olefin polymer, an olefin of 2 to 20 carbon atoms is polymerized in the presence of an olefin polymerization catalyst comprising a transition metal compound represented by, for example, the following formula (I): | 05-07-2009 |
| 20090240001 | Methods of Improving Long Range Order in Self-Assembly of Block Copolymer Films with Ionic Liquids - Methods for fabricating arrays of nanoscaled alternating lamellae or cylinders in a polymer matrix having improved long range order utilizing self-assembling block copolymers, and films and devices formed from these methods are provided. | 09-24-2009 |
| 20100204405 | RELEASE FILM - There is provided a practical release film that maintains the excellent properties of a release film using syndiotactic polystyrene, and also has excellent embeddability. | 08-12-2010 |
| 20110092646 | LOW CHLORIDE POLYBUTADIENE - Compositions comprising a coupled interpolymer such as polybutadiene which may be suitable for HIPS and ABS have been discovered. The coupled interpolymer composition comprises an interpolymer comprising one or more monomeric units derived from a diene wherein the coupled interpolymer composition is characterized by: (A) a halide content of less than about 30 ppm based on the total weight of the coupled interpolymer; (B) a molecular weight distribution of from about 1.6 to about 2.4; and (C) a vinyl content of from about 5 to about 15 weight percent based on the total weight of the coupled interpolymer. | 04-21-2011 |
| 20110178245 | Elastic Blends of High Density Polyethylene Polymers with Olefinic Block Copolymers - Blends of ethylene/α-olefin block interpolymers and high density polyethylene polymers are disclosed and include an ethylene/α-olefin block interpolymer produced using a chain shuttling catalyst and a high density polyethylene polymer having a density of greater than about 0.940 g/cm | 07-21-2011 |
| 20110313108 | CRYSTALLINE BLOCK COMPOSITES AS COMPATIBILIZERS - Embodiments of the invention provide crystalline block composites and their use as compatibilizers. | 12-22-2011 |
| 20130018150 | Impact Modification of Thermoplastics with Ethylene/Alpha-Olefin Interpolymers - Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene/α-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles. | 01-17-2013 |
| 20130030123 | Artificial Turf Yarn - Provided is an artificial turf yarn having improved heat resistance, durability, softness and extensibility. The artificial turf yarn contains two components: an olefin block copolymer (OBC) and a linear low density polyethylene (LLDPE). The yarn includes from about 10 wt % to about 80 wt % of the OBC and from about 20 wt % to about 90 wt % of the LLDPE which produces an artificial turf yarn with improved softness and toughness while maintaining heat resistance. | 01-31-2013 |
| 20130072633 | Flexible Tubing Material and Method of Forming the Material - A flexible tubing material includes a radiation crosslinked blend of a first elastomeric polymer including a styrenic thermoplastic elastomer, an ethylene vinyl acetate elastomer, a polylefin elastomer with a second elastomeric polymer including a polyolefin elastomer, a diene elastomer, or combination thereof, with the proviso that the first elastomeric polymer and the second elastomeric polymer are different. In an embodiment, a method of making a material includes providing the first elastomeric polymer, providing the second elastomeric polymer, blending the first elastomeric polymer and the second elastomeric polymer, extruding or injection molding the blend, and crosslinking the blend with radiation. | 03-21-2013 |
| 20130281626 | Polyolefin Compositions and Methods of Production Thereof - This invention relates to methods for producing an alkene terminated polystyrene, including: contacting a styrenic block copolymer and an alkene in the presence of a metathesis catalyst under conditions sufficient to produce an alkene terminated polystyrene having an unsaturation functionality of at least 0.7 and a MWD of about 1.5 or less. Methods for producing functionalized polymers and polyethylene blend composition comprising these functionalized polymers are also disclosed. | 10-24-2013 |
| 20150045509 | HOT-MELT ADHESIVE FOR ELECTRIC INSTRUMENTS - There are provided a hot-melt adhesive, which is excellent in solvent resistance and is excellent in adhesion to an adherend (specifically, a polyimide film) containing an electrolytic solution of a battery therein, and also can contribute to an improvement in performances of electric instruments; and an electric instrument produced by using such hot-melt adhesive. | 02-12-2015 |
| 20160068716 | Hot Melt Adhesive - A hot melt adhesive material and articles made using the hot melt adhesive to assemble structures in an article. The adhesive material typically is manufactured by blending amorphous polymer with a heterophase polymer having crystallinity into an adhesive composition. | 03-10-2016 |
| 525096000 | With solid polymer derived from reactant containing an atom other than C, H or chalcogen | 3 |
| 20130041105 | METHOD OF PREPARING RUBBER COMPRISING POLYMERIC COMPOSITIONS AND ISOPRENE COMPRISING INTERPOLYMERS - A process for preparing a rubber comprising polymeric composition, and the resulting compositions, and certain isoprene comprising interpolymers. | 02-14-2013 |
| 20130203939 | THERMOPLASTIC COMPOSITIONS AND ARTICLES FORMED FROM THE SAME - The invention provides a composition comprising the following:
| 08-08-2013 |
| 20130253138 | CHLOROPRENE RUBBER COMPOSITION, AND VULCANIZATE AND MOLDING THEREOF - To provide a chloroprene rubber composition providing good permanent compression set and excellent mechanical strength, a vulcanizate of the composition, and a molded article of the composition. | 09-26-2013 |
| 525097000 | Mixture contains solid polymer derived from reactant containing a fused- or bridged-ring system | 1 |
| 20140213728 | HYDROGENATED BLOCK COPOLYMER, RESIN COMPOSITION, FILM AND CONTAINER - The present invention provides a hydrogenated block copolymer which has an excellent balance in a transparency, optical property, flexibility, mechanical property, moldability, heat resistance, gas barrier property, low moisture absorbency and non-adsorptive property of chemical. Also, the present invention has an object to provide a resin composition containing the hydrogenated block copolymer as a resin component, and a film and container containing the composition. The present invention relates to a hydrogenated block copolymer containing a Block A of a hydrogenated vinyl aromatic polymer and a Block B of a polymer containing isobutylene. | 07-31-2014 |
| 525098000 | Solid block or block-type copolymer derived from reactant containing plural unsaturation | 25 |
| 20090118427 | PARTIAL SOLVENT STRIPPING PROCESS FOR RECOVERING BROMINATED BUTADIENE POLYMERS FROM SOLUTION - Brominated butadiene polymers are recovered from a bromination reaction solution by partially stripping the solvent to form a concentrated solution or slurry, and then recovering the brominated butadiene polymer from the concentrated solution or slurry. The process allows for a simplified, effective an economical recovery of the brominated butadiene polymer. Brominated butadiene polymers recovered in this manner are often very thermally stable. | 05-07-2009 |
| 20090156743 | METHOD FOR NUCLEATING POLYMERS - The present invention discloses a nucleating microemulsion comprising nanovehicles, each comprising an amphiphilic shell surrounding a nucleating agent. The microemulsion is suitable for the delivery of the nucleating agents into a thermoplastic polymer, thereby allowing crystallization of the polymer. | 06-18-2009 |
| 20090247702 | GAS BARRIER FILM - A film used for tires is provided. The film includes a thermoplastic elastomer, a polyolefin resin and a processing oil. The film has physical properties which are in a specific range. The air maintenance of a general tubeless tire would be improved after the film being adhered to the inside of the general tubeless tire. Furthermore, the general tire which the film adhered thereto would be provided with all the properties of a tubeless tire. | 10-01-2009 |
| 20100048817 | Method of Sulfonation of Block Polymers - Improved methods for preparing sulfonated block polymers with acyl sulfates in non-halogenated aliphatic solvents are provided. The methods include the sulfonation of a precursor block polymer with an acyl sulfate in a reaction mixture further comprising at least one non-halogenated aliphatic solvent to form a sulfonated block polymer, wherein the initial concentration of the precursor block polymer is in the range of from about 0.1 wt % to a concentration that is below the limiting concentration of the precursor block polymer based on the total weight of the reaction mixture. A sulfonation degree of greater than about 1.0 milliequivalent sulfonic acid per gram sulfonated block polymer can be achieved substantially free of polymer precipitation and free of disabling gelation. | 02-25-2010 |
| 20100063211 | ARBORESCENT POLYMERS AND PROCESS FOR MAKING SAME - The present invention relates to arborescent polymers and to a process for making same. In one embodiment, the present invention relates to arborescent polymers formed from at least one inimer and at least one isoolefin that have been end-functionalized with a polymer or copolymer having a low glass transition temperature (T | 03-11-2010 |
| 20100113699 | METHOD OF PREPARING RUBBER COMPRISING POLYMERIC COMPOSITIONS AND ISOPRENE COMPRISING INTERPOLYMERS - A process for preparing a rubber comprising polymeric composition, and the resulting compositions, and certain isoprene comprising interpolymers. | 05-06-2010 |
| 20100152386 | THERMOPLASTIC POLYMER COMPOSITION - A thermoplastic polymer composition has good flexibility, lightweight properties, moldability, and heat resistance, and in particular, is excellent in wear resistance. The thermoplastic polymer composition includes: at least one block copolymer (a) selected from among an α-methylstyrene based block copolymer having a number average molecular weight of 30,000 to 500,000 and a hydrogenated product thereof, the α-methylstyrene based block copolymer including a polymer block A mainly composed of an α-methylstyrene unit and a polymer block B mainly composed of a conjugated diene unit; a propylene-based polymer (b); and an ethylene-based polymer (c) having a density of 0.94 g/cm | 06-17-2010 |
| 20100240832 | Process for Preparing High Impact Monovinylaromatic Polymers in the Presence of a Borane Complex - The present invention relates to a process for preparing a high impact monovinylaromatic polymer comprising admixing a rubber, at least one monovinylaromatic monomer and optionally one or more comonomer in the presence of at least a borane complex of the L-BH | 09-23-2010 |
| 20110257337 | BLOCK COPOLYMER COMPOSITION AND HOT-MELT ADHESIVE COMPOSITION - Provided is a hot-melt adhesive composition which can be easily applied at a relatively low temperature, has a long open time, and also has high holding power. A hot-melt adhesive composition comprising a block copolymer composition which includes a block copolymer A and a block copolymer B, and a tackifying resin, wherein a weight ratio (A/B) of the block copolymer A and the block copolymer B is 25/75 to 90/10, and an aromatic vinyl monomer unit content of the block copolymer A is 41% or greater. | 10-20-2011 |
| 20120157631 | Fiber-Reinforced Polypropylene/Elastomer Composite - Provided is a fiber-reinforced composite. The composite has a propylene polymer including 90 wt % or more of propylene monomeric units based on the weight of the propylene polymer; a plurality of fibers of a solid, flexible material grafted to the propylene polymer; and an elastomer. The fibers are present in the composite at 10 wt % to 80 wt % based on the total weight of the composite. The propylene polymer is present in the composite at from 30 wt % to 95 wt % based on the total weight of the composite. The elastomer is present in the composite at from 5 wt % to 50 wt % based on the total weight of the composite. Greater than 50 wt % of the fibers are dispersed within the propylene polymer based on the total weight of the fibers in the composite. There is also provided a process for making a fiber-reinforced composite. | 06-21-2012 |
| 20120259068 | Peelable Polyethylene Films - A homogenous blend comprising from 10% to 90% by weight of a metallocene catalyzed polyethylene (mPE) and from 90% to 10% by weight of styrene-butadiene block copolymers comprising from 5% to 40% by weight of 1,3 butadiene monomer units and from 60% to 95% by weight of styrene monomer unites. The blend of the invention is used to make peelable films for food packaging applications. | 10-11-2012 |
| 20130102732 | Elastic Film Compositions with Improved Tear Resistance - A film composition comprising one or more propylene-based polymers and one or more hydrocarbon resins, and methods for making the same are provided. The propylene-based polymer may have (i) 60 wt % or more units derived from propylene, (ii) isotactically arranged propylene derived sequences, and (iii) a heat of fusion less than 65 J/g. The hydrocarbon resin may have a glass transition temperature greater than 20° C. | 04-25-2013 |
| 20140058040 | RESIN COMPOSITION - The present invention is concerned with a resin composition containing an olefin-based resin and a copolymer of a conjugated diene compound and a non-conjugated olefin. In view of the fact that the copolymer is a block copolymer, the impact resistance and low temperature properties can be enhanced. | 02-27-2014 |
| 20150031835 | HETEROGENEOUS CATALYST AND METHOD FOR SELECTIVELY HYDROGENATING COPOLYMER UTILIZING THE SAME - Disclosed is a method for selectively hydrogenating a copolymer, including contacting a heterogeneous catalyst with a copolymer to process hydrogenation The copolymer includes aromatic rings and double bonds, and the double bonds are hydrogenated, and the aromatic rings are substantially not hydrogenated. The heterogeneous catalyst includes a metal catalyst such as platinum, palladium, platinum -iridium alloy, or platinum-rhenium alloy formed on a porous support. The hydrogenation is processed at a temperature of 40° C. to 150° C. under a hydrogen pressure of 10 kg/cm | 01-29-2015 |
| 20150094423 | CATALYST COMPOSITION, METHOD FOR HYDROGENATING STYRENIC BLOCK COPOLYMERS, AND HYDROGENATED POLYMER - A catalyst composition, a method for hydrogenating styrenic block copolymer employing the same, and a hydrogenated polymer from the method are provided. The method for hydrogenating styrenic block copolymer includes subjecting a hydrogenation process to a styrenic block copolymer in the presence of a catalyst composition. In particular, the catalyst composition includes an oxide carrier, and a catalyst disposed on the oxide carrier, wherein the catalyst includes a platinum-and-rhenium containing phosphorus compound. | 04-02-2015 |
| 20150329750 | RESIN COMPOSITION AND MOLDED ARTICLE COMPRISING SAME - A resin composition including an alkoxysilyl group-containing hydrogenated block copolymer [3], and a hydrocarbon-based polymer [4] having a number average molecular weight of 300 to 5000, the resin composition including the hydrocarbon-based polymer [4] in an amount of 1 to 50 parts by weight based on 100 parts by weight of the alkoxysilyl group-containing hydrogenated block copolymer [3], the alkoxysilyl group-containing hydrogenated block copolymer [3] being obtained by introducing an alkoxysilyl group into a hydrogenated block copolymer [2] that is obtained by hydrogenating 90% or more of unsaturated bonds of a block copolymer [1] that includes at least two polymer blocks [A] and at least one polymer block [B], and a ratio (wA:wB) of a weight fraction wA of the polymer block [A] in the block copolymer [1] to a weight fraction wB of the polymer block [B] in the block copolymer [1] being 30:70 to 65:35. | 11-19-2015 |
| 20150344684 | Hydrogenated Block Copolymer Pellet, Polyolefin Resin Composition, and Molded Product Thereof - It is an object of the present invention to provide a hydrogenated block copolymer pellet, which has the ability to become a molded product that is excellent in transparency, flexibility, bleeding resistance, and low combustion ash content, without causing blocking among pellets. A hydrogenated block copolymer pellet having 100 parts by mass of a pellet molded product of hydrogenated block copolymer A and 0.01 to 1.5 parts by mass of a dusting agent of polyethylene powder B, wherein the hydrogenated block copolymer A has at least one polymeric block a mainly including a vinyl aromatic monomer unit and at least one polymeric block b mainly including a conjugated diene monomer unit, in which a total of a 1,2-bond content and a 3,4-bond content in the polymeric block b before hydrogenation is 40% to 90%, the hydrogenated block copolymer A has a hardness of 30° to 67°, a content of the polymeric block a in the hydrogenated block copolymer A is 5% to 30% by mass, and the polyethylene powder B has a number average molecular weight of 15,000 or less, an average particle diameter of 1 to 15 μm, and an angle of repose of 45° to 70°. | 12-03-2015 |
| 20160032096 | POLYMER COMPOSITION AND COMPOUND THEREFROM FOR ISOTROPIC FILM, EXTRUDED AND MOLDED ARTICLE - The present invention provides polymer compositions containing a block copolymer having a formula A-B-A, wherein the block A is a vinyl aromatic block and the block B is a hydrogenated conjugated diene block, and compounds made from the polymer compositions. The block copolymer exhibits excellent flow characteristics, which allow it to be molded or extruded to isotropic articles. The present invention also provides films and molded articles therefrom. | 02-04-2016 |
| 525099000 | With solid polymer derived from reactant containing plural unsaturation | 7 |
| 20090247703 | PROCESS FOR IMPROVING TEAR RESISTANCE IN ELASTIC FILMS - The present invention relates to a process for improving the tear resistance of elastic films. The process includes novel compositions comprising (a) an anionic block copolymer of mono alkenyl arenes and conjugated dienes, (b) a monoalkenyl arene polymer prepared via an anionic polymerization process and (c) a rubber softening modifier, which composition results in a surprising improvement in properties for the composition. | 10-01-2009 |
| 20110065865 | HIGH PERFORMANCE THERMOPLASTIC ELASTOMER COMPOSITION - The present invention provides a thermoplastic elastomer composition comprising: 100 parts by weight of component (A), 10 to 100 parts by weight of component (B), 50 to 200 parts by weight of component (C), and 5 to 30 parts by weight of component (D). Component (A) is a propylene polymer having a melting point of 155° C. or more. Component (B) is a crystalline propylene-ethylene copolymer. Component (C) is an ethylene-α-olefin rubber having Mooney Viscosity of 30 to 100(ML | 03-17-2011 |
| 20110172364 | Charged Nanoparticles And Method Of Controlling Charge - A core-first method is provided for making a core-shell nanoparticle that includes the following steps: adding to a solvent, a mono-vinyl monomer cross-linked with a cross-linking agent to form the core of the nanoparticle, the core having an average diameter of 5 nanometers to about 10,000 nanometers, and the core having polymer chains with living ends; adding a charge agent comprising a fixed formal charge group onto the living ends of the core to form the shell of the nanoparticle; controlling the charge of the nanoparticle based on the type of charge agent, the quantity of the charge agent, or both the type of charge agent and the quantity of the charge agent. A core-shell nanoparticle is also provided. | 07-14-2011 |
| 20120289656 | High Impact Polystyrene with High Gloss and High Impact Strength - A high impact polystyrene (HIPS) is made from styrene monomer and 3 to 20 wt % of an elastomeric component phase including polybutadiene rubber and styrene butadiene copolymer. The HIPS has a 60 degree gloss of 90 or more, a Gardner drop of at least 10 in-lb, and an Izod impact strength of 1.8 ft-lb/in or more. The HIPS can have salami morphology with rubber particle size between 1 and 1.3 microns. | 11-15-2012 |
| 20130331519 | RESIN COMPOSITION AND HEAT-SHRINKABLE FILM THEREOF - A resin composition having as a main ingredient a block copolymer composed of at least one type of vinyl aromatic hydrocarbon and a conjugated diene, the resin composition being characterized in that the Vicat softening point temperature measured under a 10-N load as per ISO306 is 65-90° C., the flexural strength measured as per ISO178 is 58-80 MPa, the proportion of the conjugated diene in the resin composition is 10-25 mass %, and the resin composition has molecular weight peaks, the peaks being derived from the block copolymer composed of the vinyl aromatic hydrocarbon and the conjugated diene, at molecular weights in the ranges of 70,000-150,000 and 150,000-350,000, respectively. | 12-12-2013 |
| 20140303324 | Method for Making a High Impact Polystyrene with High Gloss and High Impact Strength - A high impact polystyrene (HIPS) is made from styrene monomer and 3 to 20 wt % of an elastomeric component phase including polybutadiene rubber and styrene butadiene copolymer. The HIPS has a 60 degree gloss of 90 or more, a Gardner drop of at least 10 in-lb, and an Izod impact strength of 1.8 ft-lb/in or more. The HIPS can have salami morphology with rubber particle size between 1 and 1.3 microns. | 10-09-2014 |
| 20150094424 | Cold Flow Resistant Compositions Containing Rubber and a Block Copolymer - Disclosed are cold flow resistant and dimensionally stable compositions containing a diene rubber and a conjugated diene monovinylarene block copolymer, and generally, these compositions have solutions viscosities and cold flows that are less than that of the diene rubber. Methods for reducing cold flow and for storage-stabilizing bales of diene rubbers also are disclosed. | 04-02-2015 |
