| Entries |
| Document | Title | Date |
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| 20080287597 | Modified Polypropylene Composition - The invention relates to a polypropylene composition a heterophasic propylene copolymer, an elastomeric copolymer and inorganic filler and to a method for producing the propylene composition using peroxides. The composition is characterised by a combination of excellent impact strength, stiffness, elasticity and surface stability. | 11-20-2008 |
| 20090163642 | In-Line process to produce pellet-stable polyolefins - An in-line fluid phase process for blending low crystallinity polymer components (LCPCs) and high crystallinity polymer components (HCPCs) to form pellet-stable polyolefin pellets is provided. The in-line process for producing the blend includes providing two or more parallel reactor trains and one or more separators for product blending and product-feed separation; wherein the two or more reactor trains producting the LCPC and HCPC blend components operate under fluid phase bulk homogeneous conditions, and at least one of the reactor trains operates under supercritical conditions. The HCPC blend component is a high crystallinity polypropylene-based polymer. The LCPC blend component is a low crystallinity ethylene-based or propylene-based polymer. The resultant blend pellets exhibit a reduced tendency or an eliminated tendency to agglomerate during shipping, handling and storage. | 06-25-2009 |
| 20090286920 | RUBBER COMPOSITIONS WITH ACTIVATED SULFUR CURE - Cured rubber compositions with reduced divalent metal levels and improved physical properties are prepared using methods that limit or avoid a deleterious side reaction, and that make activator compounds available only during cure and not earlier during mixing. Specifically, the presence of activator soap (or of components that can form the activator soap in situ) and silica filler together is avoided or minimized in process steps where the temperature would tend to be above 100° C. or 110° C. The use of ZnO for example can be reduced by as much as 90˜95% in a typical rubber compound. | 11-19-2009 |
| 20100063199 | GRAFT COPOLYMER FOR TRANSPARENT THERMOPLASTIC POLYURETHANE RESIN, PREPARATION METHOD THEREOF, AND POLYURETHANE RESIN COMPOSITION CONTAINING THE SAME - The present invention relates to a graft copolymer for transparent thermoplastic polyurethane resin, a preparing method thereof and a polyurethane resin composition comprising the same, more precisely a graft copolymer for transparent thermoplastic polyurethane resin prepared by graft copolymerization of (a) 50-85 weight % of rubber latex having multi-layered structure composed of an inner layer and an outer layer comprising a conjugated diene monomer and an ethylenically unsaturated aromatic compound in which the refraction index of the inner layer is greater than that of the outer layer; and (b) 15-50 weight % of a C | 03-11-2010 |
| 20100261833 | CORE SHELL POLYMER - The present invention provides a core shell polymer comprising (i) a core comprising a polymer having a Tg in the range of from −15 to 35° C., which polymer is formed from a monomer mixture comprising at least one conjugated diene monomer and (ii) a shell comprising a polymer having a Tg in the range of from 40 to 180 ° C., which polymer is formed from a monomer mixture comprising at least one aromatic vinyl monomer, wherein the gel content of the core polymer is below 62%. | 10-14-2010 |
| 20110034619 | METHOD OF PROCESSING RUBBER COMPOSITION, RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention is directed to a method of processing a rubber composition, comprising the steps of
| 02-10-2011 |
| 20110046290 | THERMOPLASTIC ELASTOMER COMPOSITION - A thermoplastic elastomer composition that exhibits excellent rubber elasticity, etc. is obtained by dynamically heating a polymer composition in the presence of the crosslinking agent, the polymer composition including an α-olefin thermoplastic resin (A), and an oil-extended ethylene copolymer (B) that includes an ethylene copolymer that satisfies given conditions, and 50 to 150 parts by mass of a first mineral oil-based softener based on 100 parts by mass of the ethylene copolymer, the content of the oil-extended ethylene copolymer (B) being 30 mass % or more based on the total amount (=100 mass %) of the polymer component including the α-olefin thermoplastic resin (A) and the oil-extended ethylene copolymer (B). | 02-24-2011 |
| 20110060096 | CYCLIC OLEFIN RESIN COMPOSITION, AND SUBSTRATE OBTAINED FROM SAID RESIN COMPOSITION - A cyclic olefin resin composition which includes (A) 35 to 85 parts by weight of a cyclic olefin polymer having a glass transition temperature of 60 to 200° C., (B) 10 to 60 parts by weight of a flexible copolymer, prepared by polymerizing at least two monomers selected from the group consisting of an olefin compound, a diene compound and an aromatic vinyl hydrocarbon compound, and having a glass transition temperature of 0° C. or below, and (C) 5 to 55 parts by weight of a modified polyolefin. The cyclic olefin resin composition further includes, based on 100 parts by weight of total amount of the components (A), (B) and (C), (D) 0.01 to 5 parts by weight of a radical initiator and (E) 0 to 5 parts by weight of a polyfunctional compound having in its molecule two or more radically polymerizable functional groups. The composition can be used as a material for a substrate having low permittivity, low dielectric tangent, low water absorbability, and excellent heat resistance. | 03-10-2011 |
| 20110218292 | MONOVINYL AROMATIC POLYMER COMPOSITIONS WITH A NOVEL COMBINATION OF STIFFNESS AND STRESS CRACK RESISTANCE - A rubber modified polystyrene composition that includes the reaction product formed by polymerizing a monomer mixture containing at least 75 weight percent of one or more monovinylaromatic monomers in the presence of rubber particles to form a dispersion of rubber particles in a vinyl aromatic polymer. The dispersed rubber particles have an average particle diameter of from about 6 to about 10 microns. The composition has a gel content of from about 28% to about 36% by weigh. The composition has a swell index of less than 13 and contains no more than 2 wt. % of plasticizers. The present composition can be used as a refrigerator liner material. The liner material can be down gauged while maintaining desirable performance characteristics. | 09-08-2011 |
| 20110230614 | SULFONATED BLOCK COPOLYMER FLUID COMPOSITION FOR PREPARING MEMBRANES AND MEMBRANE STRUCTURES - The present invention relates to an improved method for making sulfonated block copolymers and to methods for making membranes from such block copolymers. In particular, the present invention relates to an improved method for making sulfonated block copolymers having at least two polymer end blocks that are resistant to sulfonation and at least one polymer interior block that is susceptible to sulfonation where the sulfonation agent is C | 09-22-2011 |
| 20110301280 | RUBBER COMPOSITION FOR TIRE - A rubber composition for a tire is blended with diene-based rubber containing 50 wt % or more of SBR, and 0.2 to 5 parts by weight of cyclic polysulfide represented by the below formula (I), 1 to 30 parts by weight of aromatic denatured terpene resin, 20 to 80 parts by weight of silica, and 40 to 100 parts by weight of carbon black relative to 100 parts by weight of the diene-based rubber. Further, a total blending amount of the silica and the carbon black is 70 to 130 parts by weight. | 12-08-2011 |
| 20110301281 | 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 | 12-08-2011 |
| 20120010351 | POLYPROPYLENE-BASED RESIN COMPOSITION, MOLDED ARTICLE THEREOF, AND AUTOMOBILE INTERIOR OR EXTERIOR MATERIAL USING THE SAME - There are provided a polypropylene-based resin composition having excellent impact resistance, tensile elongation at break and rigidity, a molded article thereof, and an automobile interior or exterior material using the same. The polypropylene-based resin composition contains 50 to 90% by mass of a polypropylene-based polymer (A), 5 to 50% by mass of an ethylene-α-olefin copolymer rubber (B), and 0.1 to 5% by mass of a copolymer (C) primarily comprising a vinyl aromatic monomer unit and an alkylene monomer unit, wherein a content of an α-olefin monomer unit in all alkylene monomers is 45 mol % or more. | 01-12-2012 |
| 20120059110 | REFRIGERATOR INTERIOR LINER - The present invention is a refrigerator interior liner made of a rubber modified monovinylaromatic polymer composition comprising: | 03-08-2012 |
| 20120142845 | METAL OXIDE DISPERSION - A metal oxide particulate dispersion comprising, oil and metal oxide particles having an average particle size of 35 microns or less, wherein the dispersion includes less than 10% by weight water and water-miscible solvent, based on the total weight of the dispersion. | 06-07-2012 |
| 20120259056 | COMPOSITIONS AND METHOD FOR PRODUCING POLY-AMINOFUNCTIONALIZED POLYMERIZATION INITIATORS AND CORRESPONDING POLYMERS - Compositions and methods for producing polymerization initiators comprising at least two protected primary amine groups. Polymers prepared using such polymerization initiators can comprise a residue of the polymerization initiator and can initially comprise the at least two protected primary amine groups. Such polymers can undergo a deprotection process thereby yielding a polymer having one or more unprotected primary amine groups. Polymers having primary amine groups can be employed in rubber compositions, which have a variety of potential applications, such as, for example, in tire manufacturing. | 10-11-2012 |
| 20120259057 | AIR BAG COVER AND THERMOPLASTIC ELASTOMER COMPOSITION THEREFOR - There is provided a thermoplastic elastomer composition for an air bag cover obtained by dynamically heat-treating, in the presence of a cross-linking agent, and the following components (A1), (B) and (C), wherein component (A1): a propylene-based resin, component (B): an ethylene-α-olefin-nonconjugated diene copolymer rubber, and component (C): a mineral oil-based softener, which is excellent in appearance and mechanical strength. | 10-11-2012 |
| 20120289646 | RING-OPENING POLYMER OF CYCLOPENTENE AND METHOD OF PRODUCTION OF SAME - There is provided a ring-opening polymer of cyclopentene wherein a cis ratio of the cyclopentene-derived structural units is 30% or more, a weight average molecular weight (Mw) is 100,000 to 1,000,000, and a functional group containing a structure represented by the general formula (1) or (2) is included at an end of the polymer chain. | 11-15-2012 |
| 20120289647 | Sulfur-Crosslinkable Rubber Mixture - A sulfur-crosslinkable rubber mixture which, for improved abrasion characteristics with no significant deterioration in rolling resistance and in wet grip, comprises at least one functionalized diene rubber, the functionalization of which is along the polymer chain and/or at the end and enables attachment to fillers, the diene rubber having a glass transition temperature T | 11-15-2012 |
| 20130035436 | COMPOSITION AND MANUFACTURING METHODS FOR GRIPS - A composition for use in grips is disclosed. The composition may be used, for example, in making a golf club grip. The disclosed grip provides for improved shock absorption and other beneficial properties. In one embodiment the comprises a cross-linked composition of from about 40% by weight to about 80% by weight of one or a combination of a first material selected from the group consisting of butyl rubber, nitrile rubber, ethylene propylene rubber and chloroprene rubber, and from about 10% by weight to about 50% by weight of one or a combination of a second material selected from the group consisting of ethylene-propylene-diene copolymer (EPDM), polyurethane, ethylene-vinyl acetate copolymer, polypropylene and cork. | 02-07-2013 |
| 20130066008 | AMINOSILANE INITIATORS AND FUNCTIONALIZED POLYMERS PREPARED THEREFROM - Metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer. | 03-14-2013 |
| 20130324658 | Thermoplastic Vulcanizate Composition, Method of Producing the Same, and Articles Made Therefrom - A thermoplastic vulcanizate composition comprising from 5 wt % to 95 wt %, based on the total weight of the thermoplastic vulcanizate composition, of a first component comprising a first propylene-based polymer selected from the group consisting of (i) propylene/α-olefin copolymers comprising from 1 to 20 wt % α-olefin and characterized by a g′ ratio of less than 1, measured at interpolymer number average molecular weight (Mn), an MFR (2.16 kg @ 230° C.) greater than or equal to 0.01, a density greater than or equal to 0.850 g/cc, and a molecular weight distribution, Mw/Mn, less than or equal to 3.5, and (ii) combinations thereof; and from 5 wt % to 95 wt %, based on the total weight of the thermoplastic vulcanizate composition, of a second component selected from the group consisting of curable or vulcanizable rubbers, having a density from 0.85 to 0.88 g/cc, I | 12-05-2013 |
| 20140066567 | Multiple Catalyst System for Olefin Polymerization and Polymers Produced Therefrom - This invention relates to an adhesive comprising an olefin polymer composition comprising a first amorphous polymer having a crystallinity of 5% or less, prepared with a first catalyst; and a second crystalline polymer, differing in chemical and physical properties from the first polymer, having a crystallinity of 20% or more, prepared with a second catalyst; and where the olefin polymer composition has a Dot T-Peel of 1 Newton or more on Kraft paper; an Mw of at least 7,000 to 80,000; a branching index (g′) of from 0.4 to 0.90 measured at the Mz of the polymer composition; and a crystallinity of between 5 and 40%. | 03-06-2014 |
| 20140309358 | Vulcanized Polymer Blends - A heterogeneous vulcanized polymer blend comprising a continuous phase comprising a thermoplastic polypropylene having a crystallinity of at least 30% and a dispersed phase comprising particles of an elastomeric copolymer dispersed in the continuous phase and having an average particle size of less than 5 micron. The elastomeric copolymer has a crystallinity of less than 20% and is at least partially cross-linked such that no more than about 80 wt % of the elastomeric copolymer is extractable in cyclohexane at 23° C. | 10-16-2014 |
| 20140309359 | Heterogeneous In-Situ Polymer Blend - A heterogeneous in-situ polymer blend comprising a continuous phase comprising a polypropylene having a crystallinity of at least 30% and a melting point temperature T | 10-16-2014 |
| 20140323643 | Process for Preparing a Polymer to Make Refrigerator Interior Liners - The present invention is a refrigerator interior liner made of a rubber modified monovinylaromatic polymer composition comprising:
| 10-30-2014 |
| 20140323644 | Melt Devolatilization Extrusion Processs - Brominated organic polymer solutions from a bromination reaction are devolatilized in a devolatilizing extruder. A starting organic polymer is brominated in solution to form a brominated polymer solution. This solution is combined with a second thermoplastic polymer to form a concentrated solution. The solvent and other volatile compounds are removed from the concentrated solution in a devolatilizing extruder to form a devolatilized polymer blend. | 10-30-2014 |
| 20140323645 | COLOR SEALANT COMPOSITION WITH SELF-SEALING PERFORMANCE FOR A TIRE - Disclosed is a color sealant composition with self-sealing performance useful for a tire. More specifically, disclosed are a color sealant composition with self-sealing performance useful for a tire which includes 10 to 60 wt. parts of surface modified silica, 0.05 to 5 wt. parts of pigment, 40 to 100 wt. parts of polybutene having a number average molecular weight of 1,000 to 1,500, 60 to 300 wt. parts of polybutene having a number average molecular weight of 2,000 to 3,000, and 5 to 15 wt. parts of peroxide, to 100 wt. parts of raw rubber, and a tire including the color sealant composition. | 10-30-2014 |
| 20140336328 | Thermoplastic Elastomer for Cold and Wet Applications - Thermoplastic elastomer compositions including at least one elastomeric component and at least one semi-crystalline polymer are provided. In particular, thermoplastic elastomer composition characterized by an SRI less than or equal to 1.6 at 10000 Pa s, and less than 4.5 at 1000 Pa s for compositions with TMA at 1000 μm greater than 85° C. are provided. Also provided are articles made from the thermoplastic elastomeric compositions. | 11-13-2014 |
| 20150045496 | THERMO-REVERSIBLE POLYBUTADIENE RUBBER BLEND WITH SELF-HEALING NATURE - The present disclosure relates to a thermo-reversible and self-healing blend comprising polybutadiene compounded with at least one ring opening agent and at least one ring compound containing at least one hetero-cyclic compound and at least one grafting enabling moiety, wherein the ring opening agent is capable of opening the ring compound to provide at least one open functional group to which the ring opening agent is capable of bonding, and wherein the ring compound is capable of grafting on the backbone of a polymer through the grafting enabling moiety. The present disclosure also relates to a process for preparing a thermo-reversible and self-healing blend and its use in preparing molded articles. | 02-12-2015 |
| 20150315377 | Polypropylene Compositions and Methods to Produce the Same - Compositions comprising a continuous phase of at least one polypropylene; within the range of from 5 wt % to 50 wt % of a mineral hydroxide filler by weight of the composition, having an aspect ratio within the range of from 5 or 6 or 8 to 20 or 40 or 100 or 200 or 800 or 1000; and within the range of from 5 wt % to 40 wt % of a olefin block-containing copolymer by weight of the composition. Also described is a method of forming the compositions comprising combining the components as “masterbatches” or as neat ingredients, or some combination thereof. | 11-05-2015 |
| 20150376385 | ETHYLENE-BASED POLYMER COMPOSITIONS AND ARTICLES PREPARED THEREFROM - The invention provides a composition comprising the following: A) an ethylene/α-olefin/diene interpolymer; B) a functionalized ethylene-based polymer selected from the group consisting of the following: a) an anhydride grafted ethylene/α-olefin interpolymer; b) an acid functionalized ethylene-based polymer; and c) an ester functionalized ethylene-based polymer; C) a cross-linking agent; and wherein the weight ratio of component A to component B is from 98:2 to 60:40. | 12-31-2015 |
| 20160053080 | LUMPS AND COMPOSITION - [Objective] | 02-25-2016 |
| 20160108215 | COMPOSITIONS CONTAINING GROUND VULCANIZED RUBBER AND HIGH MELT FLOW POLYMER - Improved thermoplastic compositions comprising a blend of ground vulcanized rubber and an alpha olefin copolymer which have improved compatibility and properties are described; they are improved by incorporation of a high melt flow index polypropylene homopolymer. | 04-21-2016 |
| 20170233561 | CROSSLINKED RUBBER, MEMBER FOR TIRES, VIBRATION-PROOFING MEMBER, MEMBER FOR BELTS, AND RUBBER COMPOSITION | 08-17-2017 |
| 20180022835 | MODIFIED LIQUID DIENE RUBBER AND RESIN COMPOSITION CONTAINING MODIFIED LIQUID DIENE RUBBER | 01-25-2018 |
| 20190144281 | DISCRETE CARBON NANOTUBES AND DRY LIQUID CONCENTRATES AND FORMULATIONS THEREOF | 05-16-2019 |
