| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 525244000 | Contacting a solid polymer derived from ethylenic reactants only with an ethylenic reactant in the presence of a specified material | 74 |
| 20090253869 | METHOD FOR BULK POLYMERIZATION - A method for polymerizing conjugated diene monomer into polydienes, the method comprising: polymerizing conjugated diene monomer within a liquid-phase polymerization mixture that includes conjugated diene monomer, a lanthanide-based catalyst system, dicyclopentadiene or substituted dicyclopentadiene, and optionally organic solvent, with the proviso that the organic solvent, if present, is less than about 20% by weight based on the total weight of the polymerization mixture. | 10-08-2009 |
| 20100240837 | PROCESS OF PREPARING FUNCTIONALIZED POLYMERS VIA ENZYMATIC CATALYSIS - The invention relates to functionalized, telechelic polymers synthesized by enzymatic catalysis and methods, and the functionalization of polymers via Michael addition with a lipase catalyst, and the crosslinking of mono- or difunctional (telechelic) polymers made by enzymatic catalysis, such as by using multifunctional coupling agents and enzyme catalysts. Quantitative transesterification of vinyl methacrylate with poly(ethylene glycol), poly(isobutylene) and poly(dimethylsiloxane) was achieved using | 09-23-2010 |
| 20110082259 | SINGLY-TERMINATED POLYISOBUTYLENES AND PROCESS FOR MAKING SAME - The present invention generally relates to singly-terminated polyisobutylene (PIB) compounds, and to a process for making such compounds. In one embodiment, the present invention relates to singly-terminated polyisobutylene compounds that contain only one primary alcohol, amine, or methacrylate group as the single-terminating group. In another embodiment, the present invention relates to singly-terminated polyisobutylenes carrying exactly one terminal alcohol, amine, or methacrylate group, where such singly-terminated polyisobutylenes have a number average molecular weight of about 500 to about 5000 grams per mole. In still another embodiment, the present invention relates to singly-terminated polyisobutylene compounds that can be used to synthesize polyurethanes, to polyurethane compounds made via the use of such polyisobutylene compounds, and to processes for making such compounds. | 04-07-2011 |
| 20110124818 | Catalyst Composition Comprising Shuttling Agent for Ethylene Multi-Block Copolymer Formation - A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining:
| 05-26-2011 |
| 20120108756 | PROCESS FOR PRODUCTION OF FLUORINE-CONTAINING BLOCK COPOLYMER - Provided is a process for the production of a fluorine-containing block copolymer, which suppresses the formation of a homopolymer as a by-product and which, regardless of whether the chain transfer constant of the iodine end is large or small, achieves nearly 100% conversion into a block copolymer. The process is characterized by reacting (A) a fluorine-containing polymer which has an iodine atom or a bromine atom at either or both terminals of the backbone chain and/or at a side-chain terminal with (M) a radical-polymerizable monomer in the presence of (C) a sulfur compound represented by general formula (2): (Y | 05-03-2012 |
| 20130310521 | RESIN COMPOSITE MATERIAL AND PROCESS FOR PRODUCING SAME - Disclosed herein are a resin composite material that has excellent mechanical strength and can be easily produced and a method for producing such a resin composite material. | 11-21-2013 |
| 20140206820 | STYRENE-BASED RESIN BLEND COMPRISING PARTICLES HAVING A TRI-LAYER STRUCTURE AND THE PREPARATION METHOD THEREOF - The present invention relates to a styrene resin blend having three-layer-structured particles, a method for preparing same, and an application thereof. In parts by weight, 100 parts of a vinyl aromatic compound, 0.1 to 10 parts of an initiator, 2 to 10 parts of an emulsifier, 100 to 300 parts of deionized water, and 0.1 to 10 parts of a cross-linking agent are polymerized at a temperature between 50° C. to 85° C. to acquire a core seeded emulsion; 15 to 70 parts of the core seeded emulsion, 0.1 to 10 parts of the initiator, 2 to 10 parts of the emulsifier, 80 to 300 parts of deionized water, and 30 to 85 parts of butadiene or another rubber monomers are reacted to acquire a two-layer particle emulsion; 40 to 90 parts of the two-layer particle emulsion, 10 to 70 parts of monomers of the vinyl aromatic compound, 10 to 60 parts of monomers of a vinyl cyanide compound, 2 to 10 parts of the emulsifier, and 80 to 300 parts of deionized water are reacted to acquire the blend; the impact strength thereof reaches 300 J/m, and the tensile strength is 53 MPa. | 07-24-2014 |
| 20150329683 | PROCESS FOR PRODUCTION OF FLUORINE-CONTAINING BLOCK COPOLYMER - Provided is a process for the production of a fluorine-containing block copolymer, which suppresses the formation of a homopolymer as a by-product and which, regardless of whether the chain transfer constant of the iodine end is large or small, achieves nearly 100% conversion into a block copolymer. The process is characterized by reacting (A) a fluorine-containing polymer which has an iodine atom or a bromine atom at either or both terminals of the backbone chain and/or at a side-chain terminal with (M) a radical-polymerizable monomer in the presence of (C) a sulfur compound represented by general formula (2): (Y | 11-19-2015 |
| 20160159961 | PROCESS FOR PRODUCTION OF FLUORINE-CONTAINING BLOCK COPOLYMER - Provided is a process for the production of a fluorine-containing block copolymer, which suppresses the formation of a homopolymer as a by-product and which, regardless of whether the chain transfer constant of the iodine end is large or small, achieves nearly 100% conversion into a block copolymer. The process is characterized by reacting (A) a fluorine-containing polymer which has an iodine atom or a bromine atom at either or both terminals of the backbone chain and/or at a side-chain terminal with (M) a radical-polymerizable monomer in the presence of (C) a sulfur compound represented by general formula (2): (Y | 06-09-2016 |
| 525245000 | Specified material contains transition metal atom | 25 |
| 20090171031 | Method of Forming Polyalkene Substituted Carboxylic Acid Compositions - The residual chlorine content of a polyolefin-substituted carboxylic acylating agent formed by a halogen-assisted reaction of a polyalkene and at least one olefinic, monounsaturated mono- or dicarboxylic acid, anhydride or ester, is reduced when the reaction is conducted in the presence of a controlled amount of a metal compound. | 07-02-2009 |
| 20100087600 | Catalyst Systems and their use for Metathesis Reactions - A novel process for reducing the molecular weight of nitrile rubber in the presence of specific catalyst systems containing the metathesis catalyst and also a specific addition of fluorine-containing boron compounds is provided. | 04-08-2010 |
| 20110015350 | Methods of making reversible crosslinked polymers and related methods - Methods are provided for making reversible crosslinked polymers. Exemplary methods comprise reacting first and second thermoplastic polymers having non-hindered olefins in the presence of a metathesis catalyst under conditions sufficient to form a crosslinked polymer. In certain embodiments, the methods comprise providing a crosslink promoting additive to improve the strength of the crosslinked polymer. In some embodiments, the methods comprise decrosslinking a crosslinked polymer through a metathesis or an ozonolysis reaction. | 01-20-2011 |
| 20110230622 | METALLOCENE COMPLEX AND POLYMERIZATION METHOD OF OLEFIN - A metallocene complex by which high uptake efficiency of ethylene and/or α-olefin can be obtained compared with the conventional metallocene catalyst, and rubber component having high molecular weight can be polymerized, and polymerization method of olefin. | 09-22-2011 |
| 20110294957 | Method for Transitioning Between Incompatible Olefin Polymerization Catalyst Systems - A method for transitioning from a Ziegler-Natta to a Phillips catalyst system for the olefin polymerization reaction in one reactor, preferably a gas phase reactor, is described. The method comprises the steps of a) discontinuing a first olefin polymerization reaction performed in the presence of the Ziegler-Natta catalyst system; b) performing a second olefin polymerization reaction in the presence of a further catalyst system comprising catalyst components (A) and (B) producing, respectively, a first and a second polyolefin fraction, wherein the M | 12-01-2011 |
| 20120083575 | COMB ARCHITECTURE OLEFIN BLOCK COPOLYMERS - Embodiments of the invention provide a comb architecture olefin block copolymer, a method of making the comb olefin block copolymer and blends comprising the comb olefin block copolymer. | 04-05-2012 |
| 20120196985 | OLEFIN BLOCK COPOLYMERS AND PRODUCTION METHODS THEREOF - The present description relates to olefin block copolymers having excellent elasticity and processability in conjunction with enhanced heat resistance, and to a preparation method thereof. The olefin block copolymers comprise a plurality of blocks or segments that comprise ethylene or propylene repeating units and α-olefin repeating units at different mole fractions from one another, wherein the block copolymer shows peaks at the 2θ of 21.5±0.5° and 23.7±0.5° in a wide-angle x-ray diffraction (WAXD) pattern, and the peak ratio defined by (the peak area at 21.5±0.5°)/(the peak area at 23.7±0.5°) is no more than 3.0. | 08-02-2012 |
| 20120245294 | Olefin Triblock Polymers via Ring-Opening Metathesis Polymerization - This invention relates to a composition comprising a multiblock polyolefin represented by the formula: | 09-27-2012 |
| 20120309903 | Polymacromonomer and Process For Production Thereof - This invention relates to a polymacromonomer comprising at least one macromonomer and from 0 to 20 wt % of a C | 12-06-2012 |
| 20130085232 | Dynamic Modulation of Metallocene Catalysts - This invention relates to a process to alter comonomer distribution in a copolymer (as compared to a copolymer made absent the Lewis base modifier) comprising contacting ethylene and one or more C | 04-04-2013 |
| 20130137829 | Functionalization of Vinyl Terminated Polymers by Ring Opening Cross Metathesis - This invention relates to a polymer of a cyclic olefin and a vinyl terminated macromonomer, and processes for the production thereof. | 05-30-2013 |
| 20130237671 | Amphiphilic Block Polymers Prepared by Alkene - The invention relates to a multiblock polyolefin, and methods to make a multiblock polyolefin, represented by the formula (X) or (XII): | 09-12-2013 |
| 20140058042 | UNSATURATED POLYESTER RESIN COMPOSITION - The present invention relates to an unsaturated polyester resin composition comprising (a) an unsaturated polyester, (b) a vinyl group containing organic compound as reactive diluent and (c) a transition metal compound, wherein the resin composition comprises (d) a compound according to formula (1) as reactive diluent | 02-27-2014 |
| 20140066575 | PROCESS FOR DEGRADING NITRILE RUBBERS IN THE PRESENCE OF CATALYSTS HAVING AN INCREASED ACTIVITY - A process of degrading nitrile rubbers comprises subjecting them to a metathesis reaction in the presence of specific catalysts with increased activity. | 03-06-2014 |
| 20140371398 | TWO-PACK TYPE CURABLE RESIN COMPOSITION - In the present invention, the two-pack type curable resin composition using a compound having one or more (meth)acrylic groups in the molecule enables both of prolongation of a working life and maintenance of physical properties of a cured product. Prior art had a difficulty in controlling a working life continuously; however, the present invention can easily control the working life and therefore makes it possible to be used in various conditions. Provided is a two-pack type curable resin composition, containing components (A) to (E): component (A) being a compound having one or more (meth)acrylic groups in the molecule thereof; component (B) being hydroperoxide; component (C) being at least one type of copper compound and vanadium compound; component (D) being a compound having 2 to 6 thiol groups in the molecule thereof; and component (E) being saccharin. | 12-18-2014 |
| 20150011710 | Functionalized Polymer - A method for providing a polymer having terminal functionality involves reacting a terminally active polymer with an α,β-ethylenically unsaturated compound that includes a group 2-13 element so as to provide a functionalized polymer. The resulting polymer exhibits enhanced interactivity with particulate fillers and can be used in the manufacture of vulcanizates. | 01-08-2015 |
| 20160090396 | RUTHENIUM-BASED COMPLEXES, THEIR PREPARATION AND USE AS CATALYSTS - The present invention relates to novel Ruthenium-based complex compounds which represent viable catalysts, in particular for all sorts of metathesis reactions. Such complex compounds can be prepared by a novel, very favourable and cost efficient method which includes the introduction of an alkylidene ligand into the complex by using vinyl sulfides or vinyl ethers. | 03-31-2016 |
| 20160168301 | POLY(ETHYLENE-ALIPHATIC DIENE)-G-POLYSTYRENE BASED COPOLYMER HAVING IMPROVED MECHANICAL PROPERTIES AND HEAT RESISTANCE AND METHOD FOR PREPARING SAME | 06-16-2016 |
| 525247000 | Contains nontransition metal atom | 7 |
| 20090131595 | Polymer composition - A composition suitable for use in pressure pipes and pipe fittings is disclosed comprising polymer of ethylene and from 0.5 to 5 wt % of a C | 05-21-2009 |
| 20090176940 | Process for Producing Cycloolefin Resin Composition, and Cycloolefin Resin Composition - Provided is a process for producing a cycloolefin resin composition, comprising a step of hydrogenating a resin composition. The resin composition before hydrogenation, which is used in the above step, includes 0.01 to 20 parts by weight of an unsaturated hydrocarbon compound having a boiling point of 50° C. or higher, for example, a monomer employed in polymerization, per 100 parts by weight of the resin composition. | 07-09-2009 |
| 20090326158 | PROPYLENE BLOCK COPOLYMER - A propylene block copolymer satisfying the following requirements, which is obtained by producing in the step | 12-31-2009 |
| 20100168341 | PROCESS FOR PRODUCING PROPYLENE BLOCK COPOLYMER - A production process of a propylene block copolymer, comprising the steps of (I) contacting a solid catalyst component containing titanium atoms, magnesium atoms and halogen atoms with an organoaluminum compound and an external electron donor represented by the defined formula, thereby forming a polymerization catalyst, (II) polymerizing propylene in the presence of the polymerization catalyst, thereby forming a polymer component (1) having an intrinsic viscosity, [η]1, and (III) copolymerizing propylene with an olefin other than propylene in the presence of the polymer component (1), thereby forming a polymer component (2) having an intrinsic viscosity, [η]2, which is three times or more [η]1. | 07-01-2010 |
| 20110251352 | Catalyst Components for the Polymerization of Olefins - Prepolymerized catalyst component for the polymerization of olefins CH | 10-13-2011 |
| 20140163173 | METHOD FOR PRODUCING OLEFIN BLOCK POLYMER USING GROUP 4 TRANSITION METAL COMPLEX - A method for producing an olefin block polymer, the method including: polymerizing olefins using a polymerization catalyst (X) and an organometallic compound (C) containing an atom of any of Groups 2, 12, and 13 of the periodic table of the elements, the organometallic compound (C) excluding an activating co-catalyst agent (B), wherein the polymerization catalyst (X) is formed by bringing a transition metal compound (A) into contact with the activating co-catalyst agent (B), the transition metal compound (A) is represented by the following general formula (1), and the activating co-catalyst agent (B) is selected from among an organoaluminumoxy compound (B-1), an organoboron compound (B-2), a zinc co-catalyst component (B-3), and ion-exchange layered silicate (B-4). | 06-12-2014 |
| 20140350189 | CATALYST COMPOSITION COMPRISING SHUTTLING AGENT FOR TACTIC/ ATACTIC MULTI-BLOCK COPOLYMER FORMATION - Copolymers, especially multi-block copolymer containing therein two or more segments or blocks differing in tacticity, are prepared by polymerizing propylene, 4-methyl-1-pentene, or another C | 11-27-2014 |
| 525248000 | Specified material contains a carbon or hydrogen atom bonded directly to a metal atom | 10 |
| 20090048405 | METATHESIS-ACTIVE ADHESION AGENTS AND METHODS FOR ENHANCING POLYMER ADHESION TO SURFACES - The invention discloses an adhesion agent composition comprising at least one C | 02-19-2009 |
| 20120022219 | VINYL ETHER-BASED STAR POLYMER AND PROCESS FOR PRODUCTION THEREOF - Provided is a vinyl ether-based star polymer which has an arm including a vinyl ether polymer and an arm including an oxystyrene polymer. Also provided is a process for producing the star polymer, which can be continuously carried out in a series of steps. Said vinyl ether-based star polymer and process for producing the same are such that the polymer includes a core and polymer-chain arm portions extending from the core, in which an arm portion including vinyl ether repeating units and an arm portion including oxystyrene repeating units are provided. | 01-26-2012 |
| 20140114023 | Controlled Radical Polymerization, and Catalysts Useful Therein - A catalyst is prepared in situ by reaction between an aryl halide and a Ni(0) complex. The catalyst may be used to promote chain-growth polymerization of halogen-substituted Mg or Zn monomers by a controlled radical mechanism. Polymers, co-polymers, block copolymers, polymer thin films, and surface-confined polymer brushes may be produced using the catalyst. | 04-24-2014 |
| 525249000 | Metal atom is aluminum | 5 |
| 20100168342 | Propylene Impact Copolymer and Method - Disclosed are propylene impact copolymer compositions, articles thereof, and processes for producing same. Polymerization with an improved catalyst composition provides a propylene impact copolymer with high melt flow and low volatiles content. | 07-01-2010 |
| 20110301296 | PROCESS FOR PRODUCING PROPYLENE BLOCK COPOLYMER - A propylene block copolymer comprising 60 to 85% by weight of a propylene polymer component and 15 to 40% by weight of an ethylene-propylene copolymer component, and satisfying the following requirements (I) to (V): (I) the above propylene polymer component has a melting temperature of 160° C. or higher measured according to DSC; (II) the above ethylene-propylene copolymer component has an ethylene content of 40 to 60% by weight measured according to a | 12-08-2011 |
| 20120245295 | PREPARATION METHOD OF VINYL AROMATIC HYDROCARBON-CONJUGATED DIENE BLOCK COPOLYMER USING COUPLING REACTION WITH IMPROVED ION STABILITY - Disclosed is a method for preparing a vinyl aromatic hydrocarbon-conjugated diene block copolymer using a coupling reaction with improved ion stability. The method comprises (a) polymerizing a vinyl aromatic hydrocarbon monomer in a hydrocarbon solvent with an organic lithium compound as a polymerization initiator to prepare a first mix solution comprising a vinyl aromatic hydrocarbon block; and (b) adding a conjugated diene monomer to the first mix solution of step (a) to form a conjugated diene block on an end of the vinyl aromatic hydrocarbon block and to thereby prepare a second mix solution comprising a vinyl aromatic hydrocarbon block-conjugated diene block, wherein the method further comprises (c) adding a Lewis acid to the first mix solution before, during or after polymerization of the vinyl aromatic hydrocarbon monomer of step (a). | 09-27-2012 |
| 20130289213 | Polyethylene and Process for Production Thereof - This invention relates to a process for polymerizing olefins in which the amount of trimethylaluminum in a methylalumoxane solution is adjusted to be from 1 to 25 mol %, prior to use as an activator, where the mol % trimethylaluminum is determined by | 10-31-2013 |
| 20160122603 | ADHESIVE CONTAINING BLOCK COPOLYMER - Provided are an acrylic hot-melt adhesive that has both good hot-melt processability and good holding power, that is suitable for applications to a hot-melt coating method in which coating is performed at a low temperature at a high speed, that has good transparency and good weather resistance, and that further has good adhesiveness at low temperatures, and a block copolymer suitable for use in the adhesive. Prepared is an adhesive containing a block copolymer having at least one structure represented by a general formula: -[A1]-[B/A2]- (where, in the formula, [A1] represents a polymer block composed of a structural unit derived from a methacrylic acid ester (A1), [B/A2] represents a copolymer block composed of a structural unit derived from an acrylic acid ester (B) and a structural unit derived from a methacrylic acid ester (A2), and the copolymer block [B/A2] has a gradient copolymer block section in which a copolymerization ratio of the methacrylic acid ester (A2) continuously increases from a section connected to the polymer block [A1]), and having a total content of the structural units derived from the methacrylic acid ester (A1) and the methacrylic acid ester (A2) of 5% to 60% by mass, a weight-average molecular weight (Mw) of 30,000 to 300,000, and a molecular weight distribution (Mw/Mn) of 1.0 to 1.5. | 05-05-2016 |
| 525250000 | Metal atom is Group IA metal atom (Li, Na, K, Rb, Cs, Fr) | 2 |
| 20100234532 | MONOVINYLARENE CONJUGATED DIENE BLOCK COPOLYMER COMPOSITIONS FOR SHRINKABLE FILMS - The present invention relates generally to monovinylarene-conjugated diene block copolymers adapted for shrinkable film applications. In one embodiment, a block copolymer is provided wherein an oriented 2 mil film of the block copolymer oriented at 100° C. or less exhibits less than 10% shrinkage at 70° C., and at least 70% shrinkage at 100° C. | 09-16-2010 |
| 20180022852 | ORGANIC ZINC COMPOUND COMPRISING POLYOLEFIN-POLYSTYRENE BLOCK COPOLYMER, AND METHOD FOR PREPARING THE SAME | 01-25-2018 |
| 525251000 | Specified material contains a boron atom | 2 |
| 20130303702 | PROCESS FOR GRAFT POLYMERIZATION ON POLYMER SURFACES USING ORGANO-BORANE-AMINE COMPLEXES AS RADICAL INITIATORS - The present invention relates to a process for the modification of a polymer surface. The polymer surface is treated with
| 11-14-2013 |
| 20160108143 | ACID-MODIFIED NANOPARTICLES, DUAL PART POLYMERIZABLE COMPOSITIONS, AND METHODS - A dual part polymerizable composition is provided including a first part containing at least one triorganoborane-amine complex having the structure Z—NHR | 04-21-2016 |
| 525254000 | Specified material contains silicon atom | 3 |
| 20110112251 | POLYMERISABLE MASS WITH CROSS-LINKING NANOPARTICLES - The invention relates to a polymerizable composition containing:
| 05-12-2011 |
| 20110172367 | Grafted Polyethylene - A process for grafting hydrolysable silane groups to polyethylene includes reacting polyethylene with an unsaturated silane having at least one hydrolysable group bonded to Si, in the presence of a compound capable of generating free radical sites in the polyethylene. The grafted polyethylene prepared by the process can be shaped into a pipe and crosslinked by water flowing through the pipe. | 07-14-2011 |
| 20160376394 | FUNCTIONALIZED POLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention is directed to a functionalized elastomer having the formula | 12-29-2016 |
| 525255000 | Specified material contains a phosphorus atom | 2 |
| 20120190795 | CATALYST FOR LIVING RADICAL POLYMERIZATION AND POLYMERIZATION METHOD - Provided is a low-cost, highly active, environmentally friendly living radical polymerization catalyst which does not require a radical initiator. An organic compound having an oxidation-reduction capability is used as a catalyst. Even if a radical initiator is not used, a monomer can be subjected to a radical polymerization to obtain a polymer having narrow molecular weight distribution. The cost of the living radical polymerization can be remarkably reduced. It is made possible to prevent adverse effects of using a radical initiator. The present invention is significantly more environmentally friendly and economically excellent than conventional living radical polymerization methods, due to advantages of the catalyst such as low toxicity of the catalyst, low amount of the catalyst necessary, high solubility of the catalyst, mild reaction conditions, and no coloration/no odor (which do not require a post-treatment for a molded article), etc. | 07-26-2012 |
| 20160108140 | IONOMER COMPRISING PENDANT VINYL GROUPS AND PROCESSES FOR PREPARING SAME - The present invention relates to ionomers comprising a reaction product of the reaction between a) a halogenated isoolefin copolymer and b) a nucleophile having no pendant vinyl group and a nucleophile comprising at least one pendant vinyl group. The present invention also relates to a method of preparing and curing these ionomers. | 04-21-2016 |
| 525256000 | Specified material contains a heterocyclic ring | 2 |
| 20130158203 | COMPOSITIONS AND METHOD OF INHIBITING POLYMERIZATION OF VINYL-ARYL MONOMERS - The invention generally relates to a method of inhibiting polymerization of vinyl | 06-20-2013 |
| 20140045999 | MEDICAL RUBBER - The present invention provides a medical rubber having high cleanliness and excellent compression set resistance. The present invention relates to a medical rubber including an ethylene-propylene-diene rubber crosslinked by an organic peroxide having no aromatic ring structure. | 02-13-2014 |
| 525259000 | Specified material contains an organic nitrogen compound | 4 |
| 20130053517 | METHOD FOR PRODUCING MODIFIED POLYMER - A modified polymer is produced by reacting (A) a polymer with (B) a compound having a nitroxide free radical in the molecule stable at room temperature and in the presence of oxygen, (C) an organic peroxide, and (D) a radically polymerizable monomer having a functional group in the presence of (E) an amine compound comprising a monoamine compound represented by the general formula: NR | 02-28-2013 |
| 20130131276 | Processes, Products, and Compositions Having Tetraalkylguanidine Salt of Aromatic Carboxylic Acid - Disclosed are processes, products, and compositions having tetraalkylguanidine salt of aromatic acid. The processes include providing a pre-mix comprising an aromatic carboxylic acid component and contacting a tetraalkylguanidine with the aromatic carboxylic acid component in the pre-mix to form the tetraalkylguanidine salt of aromatic carboxylic acid or producing a catalyst composition by contacting the tetraalkylguanidine with the aromatic carboxylic acid component to form the tetraalkylguanidine salt of aromatic carboxylic acid. The compositions include the tetraalkylguanidine salt of aromatic carboxylic acid. The product is formed by the tetraalkylguanidine salt of aromatic carboxylic acid. | 05-23-2013 |
| 525260000 | Organic nitrogen compound contains an azo group, i.e., -N=N- | 2 |
| 20140213731 | SUPERCRITICAL CARBON DIOXIDE-ASSISTED SOLID-PHASE GRAFTING MODIFICTION METHOD FOR POLYPROPYLENE - A supercritical carbon dioxide-assisted solid-phase grafting modification method for polypropylene, comprises swelling polypropylene for 0.5 to 10 hours in supercritical carbon dioxide having dissolved vinyl monomer and an initiator, then slowly relieving the pressure; moving the polypropylene that has undergone the swelling process into a reaction kettle, and adding xylene as an interface agent, the mass of xylene being 1% of the polypropylene; increasing the temperature to between 65° C. and 165° C. under normal pressure, and reacting 1 to 10 hours to obtain modified polypropylene; the swelling permeation temperature during the swelling process is from 31° C. to 60° C., the swelling pressure is from 7.5 to 12 MPa; the initiator is an azo compound or a peroxide. In the present method, the grafting rate reaches 5.4%, the thermal property, polarity, and mechanical property all improve substantially, and hydrophilic property is substantially enhanced. | 07-31-2014 |
| 20160159958 | REVERSE-PHASE POLYMERISATION PROCESS - A reverse-phase suspension polymerisation process for the manufacture of polymer beads comprising forming aqueous monomer beads of an aqueous solution comprising water-soluble ethylenically unsaturated monomer or monomer blend and polymerising the monomer or monomer blend to form polymer beads while suspended in a non-aqueous liquid, recovering polymer beads, and then cleaning the non-aqueous liquid in which the process comprises providing the non-aqueous liquid in a vessel ( | 06-09-2016 |
| 525261000 | Specified material contains an organic sulfur compound | 4 |
| 20080214739 | High cor golf ball using zinc dimethacrylate - The present invention is directed to resilient golf balls and portions thereof including compositions containing zinc dimethacrylate and zinc pentachlorothiophenol, and methods for making same. In particular, the present invention is directed to a golf ball having at least one of a center, cover, or intermediate layer that includes a reaction product that includes a resilient polymer component, a free radical source, zinc dimethacrylate and at least one halogenated organosulfur compound having the following general formula I: | 09-04-2008 |
| 20090023865 | Method of Treating Rubber Composition with Cure Inhibitor to Create Soft Skin in Golf Ball Core - A method of making a golf ball comprising the steps of providing a preform comprising an uncured polybutadiene composition; coating the preform with a cure-altering material comprising an organosulfur compound, an inorganic sulfide compound, or a metal-containing organosulfur compound; curing the coated preform at a predetermined temperature to form a crosslinked golf ball core having an outer surface having a first hardness and a geometric center having a second hardness greater than the first to define a negative hardness gradient; and forming a cover layer about the core to form the golf ball. | 01-22-2009 |
| 20120108757 | THIOCARBONYL COMPOUND AND PROCESS FOR PRODUCING POLYMER USING SAME AND THAT POLYMER - A thiocarbonyl compound represented by the following formula (a) is useful as a RAFT agent. By using this, a process for producing a polymer having a excellent reactivity or monomer conversion rate and its polymer are provided. In the following formula (a), n indicates 1 to 6, and Z indicates an organic group selected from a substituted or unsubstituted aryl or a substituted or unsubstituted heteroaryl | 05-03-2012 |
| 20120123057 | METHOD FOR PREPARING OLEFIN-BASED SEGMENTED COPOLYMERS - The present application relates to a method for preparing olefin-based segmented copolymers through reversible addition-fragmentation chain transfer (RAFT), wherein the method comprises: a step of polymerizing vinyl-based monomers through reversible addition-fragmentation chain transfer (RAFT) using a trithiocarbonate-based chain transfer agent to synthesize vinyl-based polymers; and a step of grafting the synthesized vinyl-based polymers to olefin-based polymers. The method of the present invention successfully synthesizes olefin-based segmented copolymers through the two simple above-described steps. | 05-17-2012 |
| 525262000 | Specified material contains a carboxylic acid or derivative | 3 |
| 20140243478 | METHOD FOR PRODUCING WATER ABSORBENT RESIN PARTICLES - There is disclosed a method for producing water-absorbent resin particles, comprising a polymerization step that includes mixing an oily liquid comprising a hydrocarbon dispersing medium and a surfactant, and an aqueous liquid comprising an aqueous solvent and a water-soluble ethylenically unsaturated monomer, forming a suspension comprising an oily liquid and an aqueous liquid dispersed in the oily liquid, and polymerizing the water-soluble ethylenically unsaturated monomer in the suspension. The HLB of the surfactant is 6 or greater, and the temperature of the suspension is kept at 35° C. or higher during the period from initial mixing of the oily liquid and aqueous liquid until complete mixing of the entire amounts. | 08-28-2014 |
| 20160096907 | EMULSION POLYMERS INCLUDING ONE OR MORE 1,1-DISUBSTITUTED ALKENE COMPOUNDS, EMULSION METHODS, AND POLYMER COMPOSITIONS - The present teachings show that it is possible to polymerize 1,1-disubstituted alkene compounds in an emulsion (for example using a water based carrier liquid), despite the possible reactions between the monomer and water. Polymerization of 1,1-disubstituted alkene compounds in an emulsion provides opportunities to better control the polymerization compared with bulk polymerization. The emulsion polymerization techniques can be employed for preparing homopolymers, copolymers (e.g., random copolymers), and block copolymers. | 04-07-2016 |
| 20160200852 | TIN-FREE COMPOSITION FOR CROSSLINKING THERMOPLASTIC POLYOLEFINS | 07-14-2016 |
| 525263000 | Specified material contains a peroxy group, i.e., -O-O- | 9 |
| 20090221757 | POLYMERS CONTAINING AN OLIGOMERIC MACROMONOMER - The present invention is directed to a polymer that comprises an oligomeric macromonomer and a core from which the oligomeric macromonomer extends, wherein the oligomeric macromonomer comprises reactive functional groups and has an average functionality ranging from 1.0 to 30.0, and wherein the core is <10 weight % of the total polymer weight. The present invention is also directed to a method for making the same. | 09-03-2009 |
| 20110021710 | Crosslinkable Propylene-Based Copolymers, Methods for Preparing the Same, and Articles Made Therefrom - Provided are crosslinkable propylene-based copolymers, methods for making the same, elastomeric compositions including the same, and articles made therefrom, e.g., films and fibers. Exemplary elastomeric compositions are composed of at least one propylene-based polymer comprising propylene derived units and one or more dienes, the propylene-based polymer having a triad tacticity of from 50% to 99% and a heat of fusion of less than 80 J/g; about 0.5 wt % to about 10 wt % vinyl siloxane; and about 0.1 wt % to about 1.0 wt % peroxide. The elastomeric compositions can be extruded and crosslinked at a temperature of at least about 50° C. and a relative humidity of at least about 90% to provide a crosslinked elastomeric composition. The crosslinked elastomeric compositions are particularly useful for making fibers and films. | 01-27-2011 |
| 20120245296 | METHOD FOR PRODUCING MODIFIED PROPYLENE POLYMER - Disclosed is a method for producing a modified propylene polymer that exhibits low flowability and also exhibits little fluctuation in melt flow rate compared with the melt flow rate of the propylene polymer before modification, the method involving a heat treatment step of subjecting a mixture comprising 100 parts by weight of a propylene polymer (A), from 0.1 to 50 parts by weight of an ethylenically unsaturated bond-containing compound (B), and from 0.01 to 20 parts by weight of an organic peroxide (C) whose decomposition temperature at which the half-life thereof becomes 1 minute is lower than 120° C. to heat treatment by using an extruder at a temperature lower than the decomposition temperature of the organic peroxide (C) at which the half-life thereof becomes 1 minute. | 09-27-2012 |
| 20120245297 | MODIFIED PROPYLENE POLYMER - Disclosed is a modified propylene polymer excellent in the balance between melt tension and flowability, the modified propylene polymer being obtainable by reacting 100 parts by weight of a propylene polymers (A), from 0.1 to 50 parts by weight of an ethylenically unsaturated bond-containing compounds (B), and from 0.01 to 20 parts by weight of an organic peroxide (C), wherein a melt flow rate measured at 230° C. under a load of 2.16 kg and a melt tension measured at 190° C. satisfy the following formula (1): | 09-27-2012 |
| 20140073742 | UNSATURATED POLYESTER RESIN COMPOSITION - The present invention relates to unsaturated polyester resin compositions comprising (a) an unsaturated polyester, (b) a vinyl group containing organic compound as reactive diluent and (c) a tertiary aromatic amine, wherein the resin composition further comprises (d) a compound according to formula (1) as reactive diluent | 03-13-2014 |
| 525265000 | Aromatic or cycloaliphatic peroxy compound | 4 |
| 20080242803 | POLYPROPYLENE DERIVATIVES AND PREPARATION THEREOF - A polypropylene derivative is provided. The polypropylene derivative includes a reactive monomer grafted on polypropylene, with a grafting yield exceeding 5%. A method for preparing the polypropylene derivative is also disclosed. The method includes mixing a reactive monomer, polypropylene and a compatibilizer to prepare a polypropylene derivative grafted with the reactive monomer, with a grafting yield exceeding 5%. | 10-02-2008 |
| 20090062474 | NOVEL MULTIFUNCTIONAL ADDITIVE GRAFTED RUBBER AND PROCESS FOR THE PREPARATION THEREOF - The present invention relates to a novel multi functional additive grafted rubber. More particularly the present invention relates to novel grades of rubber and in particular to chemically grafted with cardanol (meta-penta decenyl phenol) and/or its derivatives. Importantly the rubber grades of the invention involve chemically anchored/grafted selective meta alkenyl phenol and/or its derivatives in the backbone of natural or synthetic rubber. Importantly, such rubber variant of the invention have high plasticity, lower Mooney and melt viscosities, better cure properties as compared to conventional virgin natural rubber or natural rubber plasticised with aromatic process oils. | 03-05-2009 |
| 20120142867 | ACRYLATE COMPOSITION - The invention provides a composition containing (A) one or more (meth)acrylate compounds selected from among a (meth)acryl-modified silicone fluid, a long-chain alkyl(meth)acrylate, and a polyalkylene glycol(meth)acrylate having a number average molecular weight of 400 or more; (B) a (meth)acrylate compound having an alicyclic hydrocarbon group which has six or more carbon atoms and which is bonded to the compound via an ester bond; (C) (meth)acrylic acid or a (meth)acrylate compound having a polar group; and (D) a radical polymerization initiator. The composition is suitably employed as a raw material for, for example, an encapsulating material or a lens, exhibits transparency and heat resistance comparable to conventional levels, and provides a cured product exhibiting excellent adhesion to a base member surrounding the cured product. | 06-07-2012 |
| 20160032039 | METHOD FOR PRODUCING CROSSLINKED FLUOROELASTOMER - A method for producing a cross-linked fluoroelastomer including cross-linking a fluoroelastomer with a cross-linking agent in an inert gas atmosphere in the presence of an initiator. | 02-04-2016 |
| 525266000 | Specified material contains an organic chalcogen compound | 1 |
| 20110112252 | Method for Post-Crosslinking of the Surface of Water-Absorbing Polymer Particles - A process for thermally surface postcrosslinking water-absorbing polymer particles in a fluidized bed generated by means of a carrier gas, wherein the surface postcrosslinker is supplied to the fluidized bed in gaseous form. | 05-12-2011 |
