Class / Patent application number | Description | Number of patent applications / Date published |
525342000 | Chemical treating agent contains a silicon atom | 22 |
20090143538 | Silane-Coupling-Agent-Treated Silica, Preparation Method Thereof, And Vibration-Damping And Vibration-Isolating Rubber Composition Containing The Same - A silane-coupling-agent-treated silica having a sulfur-deviation range of 50 to 200%, comprising 100 parts by mass of silica surface-treated with 1 to 50 parts by mass of a silane coupling agent represented by the following general formula (1): Y3-Si-Z-S—CO—R (wherein Y is an acetoxy group or an alkoxy group with 1 to 6 carbon atoms, Z is an alkylene group with 1 to 8 carbon atoms, and R is a hydrocarbon group with 1 to 18 carbon atoms) is disclosed. Furthermore, a vibration-damping and vibration-isolating rubber composition comprising 100 parts by mass of a raw rubber material having C—C bonds in the main chain and 1 to 200 parts of the aforementioned silane-coupling-agent-treated silica is claimed. | 06-04-2009 |
20090143539 | High crystallinity, High melt flow rate polypropylene - The present invention is directed to a high melt flow rate high crystallinity polypropylene homopolymer. The present invention likewise describes a bulk polymerization process using a Ziegler-Natta catalyst to produce the high melt flow rate high crystallinity polypropylene homopolymer according to the invention. | 06-04-2009 |
20090275705 | Acrylic Block Copolymer and Reactive Hot-Melt Adhesive Compositions - The present invention has its object to provide an acrylic hot-melt pressure-sensitive adhesive composition showing only small changes in melt viscosity, showing good hot-melt applicability and excellent in initial cohesive force prior to moisture curing, and showing excellent tackiness and thermostable cohesive force after moisture curing. | 11-05-2009 |
20090318624 | Preparation of exo-olefin terminated polyolefins via quenching with alkoxysilanes or ethers - Provided herein are methods for preparing a polyolefin containing one or more exo-olefinic end groups on the polyolefin chain, comprising quenching an ionized polyolefin with an alkoxysilane or an ether. In some embodiments, the methods are represented by the following scheme: | 12-24-2009 |
20100087603 | ORGANIC-INORGANIC HYBRID NANOMATERIALS AND METHOD FOR SYNTHESIZING SAME - Organic-inorganic hybrid nanomaterials, comprising an inorganic portion (e.g., inorganic particles such as silica particles) that are coated/covered with one or more polymers compounds (i.e., the organic portion), and methods for synthesizing such hybrid nanomaterials are disclosed. Also disclosed are hybrid nanomaterials that comprise an inorganic portion (e.g., inorganic particles such as silica particles) that have one or more polymers or polymer portions (i.e., the organic portion) grafted and/or attached thereto, and methods for synthesizing such hybrid nanomaterials. | 04-08-2010 |
20100113706 | Ethylene Polymers, Their Production And Use - This invention relates to an ethylene polymer comprising ethylene and up to 5 mole % of at least one comonomer, wherein the ethylene polymer has an Mw, of 10,000 to 50,000, an Mw/Mn of between 1.5 to 4.5, a density of at least 0.925 g/cc, an unsaturation level of less than 1 per 1000 carbons, a melting point of at least 120° C., a Tc of greater than Z, where Z=0.501×(density in kg/m | 05-06-2010 |
20100113707 | Process for Reducing Residuals Content in Vinyl Aromatic Polymers - The present invention relates to a process for reducing residuals content in a vinyl aromatic polymer, said residuals comprising essentially unpolymerized vinyl aromatic monomer, wherein the vinyl aromatic polymer in the molten state is brought in contact with a solid in powder capable to catalyze the alkylation of said residual vinyl aromatic monomer on the vinyl aromatic polymer. | 05-06-2010 |
20100249336 | MODIFIED NATURAL RUBBER AND METHOD FOR PRODUCING SAME, AND RUBBER COMPOSITION AND TIRE USING SUCH A MODIFIED NATURAL RUBBER - This invention provides a modified natural rubber producible at a lower cost than the conventional techniques and capable of improving the low loss factor, wear resistance and fracture characteristics of the rubber composition using the modified natural rubber as the rubber component in the rubber composition, and a method for producing the modified natural rubber. This invention provides a modified natural rubber formed by adding a hydrazide compound having a polar group to at least one natural rubber raw material selected from the group consisting of a natural rubber, a coagulated natural rubber latex and a natural rubber cup lump, a rubber composition using the modified natural rubber, and a tire using the rubber composition in any tire member. | 09-30-2010 |
20120077941 | POLYMERS FUNCTIONALIZED WITH PROTECTED OXIME COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing conjugated diene monomer by employing a lanthanide-based catalyst to form a reactive polymer, and (ii) reacting the reactive polymer with a protected oxime compound. | 03-29-2012 |
20120130021 | NON-PRECIOUS METAL-CONTAINING 2,8-BIS(IMINO)QUINOLINE COMPLEXES AND THEIR USE AS HYDROSILYLATION CATALYSTS - Disclosed herein are manganese, iron, cobalt, or nickel complexes containing 2,8-bis(imino)quinoline ligands and their use as catalysts or catalysts precursors for hydrosilylation reactions. | 05-24-2012 |
20120136122 | PROCESS FOR PRODUCTION OF MODIFIED POLYSILOXANE COMPOUND - A modified polysiloxane compound represented by formula (I): X(Y)n (I), where X represents a polymer block having a repeating unit represented by formula (II), Y represents a polymer block having a repeating unit represented by formula (III), and n represents 1 or 2, and having an X to Y weight ratio of 1/99≦X/Y≦90/10 and a number-average molecular weight of 1,000 to 100,000 is subjected to treat for elimination of a protecting group for a hydroxyl group by adding a non-aqueous solution containing hydrogen chloride in the presence of a non-aqueous solvent so that hydrogen chloride is 0.9 to 1.3 equivalents with respect to 1 equivalent of the repeating unit represented by formula (II). | 05-31-2012 |
20120202951 | PROCESS FOR THE PRODUCTION OF A SUPERABSORBENT POLYMER - The present invention relates to superabsorbent polymer comprising the comprising the free radical polymerization product of an aqueous monomer mixture containing at least one α,β-ethylenically unsaturated monomer; at least one monomer having at least two α,β-ethylenically unsaturated groups; a crosslinking agent having at least two polymerizable double bonds; iron ions in an amount of from about 0.1 to about 3 wppm based on the total weight of the aqueous monomer mixture; and at least one chelating agent in an amount to provide a molar ratio of chelating agent to iron ion of from about 0.8 to about 4.0. | 08-09-2012 |
20130041112 | Nanoparticles with Multiple Attached Polymer Assemblies and Use Thereof in Polymer Composites - Methods of synthesizing a binary polymer functionalized nanoparticle are generally provided. In one embodiment, a first anchoring compound is attached to a nanoparticle, and a first plurality of first monomers are polymerized on the first anchoring compound to form a first polymeric chain covalently bonded to the nanoparticle via the first anchoring compound. In another embodiment, a first polymeric chain can be attached to the nanoparticle, where the first polymeric chain has been polymerized prior to attachment to the nanoparticle. Thereafter, a second anchoring compound is attached to the nanoparticle, and a second plurality of second monomers are polymerized on the second anchoring compound to form a second polymeric chain covalently bonded to the nanoparticle via the second anchoring compound. Nanoparticles are also generally provided having multiple polymeric assemblies. | 02-14-2013 |
20130131280 | FUNCTIONALIZATION OF POLYOLEFINS WITH PHENOXY DERIVATIVES - Provided herein are telechelic polymers and methods for producing the same. In some embodiments, provided herein are compounds having the formula | 05-23-2013 |
20130158207 | PRODUCTION OF VINYLIDENE-TERMINATED AND SULFIDE-TERMINATED TELECHELIC POLYOLEFINS VIA QUENCHING WITH DISULFIDES - Provided herein are methods for preparing vinylidene-terminated polyolefins. Further provided herein are sulfide-terminated polyolefins. | 06-20-2013 |
20130165597 | ADHESIVE COMPOSITION FOR POLARIZER PLATE, POLARIZER PLATE INCLUDING ADHESIVE LAYER INCLUDING THE SAME, AND OPTICAL DISPLAY INCLUDING THE SAME - An adhesive composition for a polarizer plate, the adhesive composition including a (meth)acrylic copolymer and a polyisocyanate curing agent containing an isocyanurate structure. | 06-27-2013 |
20130267662 | FLUORINE-CONTAINING ELASTOMER COMPOSITION AND MOLDED ARTICLE MADE OF SAME - There is provided a polyol-crosslinkable fluorine-containing elastomer composition which is excellent in chemical resistance, solvent resistance (especially resistance to an acidic solvent) and fuel resistance (especially biofuel resistance) and is crosslinkable at the same crosslinking speed as in the case of using calcium hydroxide in a usual amount even without blending calcium hydroxide (or decreasing a blending amount of calcium hydroxide). The fluorine-containing elastomer composition comprises a polyol-crosslinkable fluorine-containing elastomer, a polyol crosslinking agent and a silicate of an alkali metal. | 10-10-2013 |
20130331525 | PRODUCTION OF VINYLIDENE-TERMINATED AND SULFIDE-TERMINATED TELECHELIC POLYOLEFINS VIA QUENCHING WITH DISULFIDES - Provided herein are methods for preparing vinylidene-terminated polyolefins. Further provided herein are sulfide-terminated polyolefins. | 12-12-2013 |
20140187725 | METHOD FOR PRODUCING POLYDIENES AND POLYDIENE COPOLYMERS WITH REDUCED COLD FLOW - A method for preparing a coupled polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with coumarin or a substituted coumarin compound. | 07-03-2014 |
20140336336 | PROCESS FOR PREPARING CURED POLYMERS - The present invention relates to curing of polymers, particularly to self curing of polymers. The present invention provides a process for curing of copolymers of isoolefins and olefinic monomers. The process includes the step of reacting the copolymer with an azidation reagent to form an azidated copolymer and then heating the azidated copolymer at a suitable temperature to cure the polymer. | 11-13-2014 |
20150045516 | Nanoparticles with Multiple Attached Polymer Assemblies and Use Thereof in Polymer Composites - Methods of synthesizing a binary polymer functionalized nanoparticle are generally provided. In one embodiment, a first anchoring compound is attached to a nanoparticle, and a first plurality of first monomers are polymerized on the first anchoring compound to form a first polymeric chain covalently bonded to the nanoparticle via the first anchoring compound. In another embodiment, a first polymeric chain can be attached to the nanoparticle, where the first polymeric chain has been polymerized prior to attachment to the nanoparticle. Thereafter, a second anchoring compound is attached to the nanoparticle, and a second plurality of second monomers are polymerized on the second anchoring compound to form a second polymeric chain covalently bonded to the nanoparticle via the second anchoring compound. Nanoparticles are also generally provided having multiple polymeric assemblies. | 02-12-2015 |
20150112028 | SYNTHESIS OF CHALOGEN-CAPPED PI-CONJUGATED POLYMERS - Methods for the preparation of mono- and bis-end-functionalized π-conjugated polymers. In the methods, chalcogens are selectively installed at the polymer terminus or termini. | 04-23-2015 |