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WO/2013/031852A1 |
Provided is a method for producing a conjugated diene polymer capable of being used in vehicle tires, and as a starting material for a cross-linking polymer capable of improving the fuel economy performance of vehicles. A method for prod...
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WO/2013/031850A1 |
Provided is a method for producing a denatured conjugated diene polymer capable of being used in vehicle tires and such, and as a starting material for a cross-linking polymer capable of improving the fuel economy performance of vehicles...
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WO/2013/022242A2 |
This invention relates to a cycloolefin copolymer, which is prepared via ring-opening metathesis polymerization using, as monomers, dicyclopentadiene obtained by chemically bonding two cyclopentadiene molecules using a Diels-Alder reacti...
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WO/2013/020118A1 |
This invention relates to a recombinant microorganism capable of producing isoprene and isoprene production with the use of such recombinant microorganism with good efficiency. In this invention, the acetoacetyl-CoA synthase gene encodin...
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WO/2013/017280A1 |
The invention relates to η5:η1-cyclopentadienylidene-phosphorane constrained geometry complexes of rare earth metals, abbreviated to η5:η1-CpPC-CGC, method for production and use of same. The η5:η1-CpPC-CGCs correspond to the gener...
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WO/2013/014908A1 |
An aromatic amine derivative which is represented by formula (1) wherein Z1 represents a group represented by formula (2), Z2 represents a group represented by formula (3) or (3'), and each of P and Q represents a group represented by fo...
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WO/2013/002234A1 |
The present invention provides a rubber composition that can improve fuel efficiency, wet grip performance, wear resistance, and kneading workability in a well-balanced manner, and a pneumatic tire using the rubber composition. The prese...
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WO/2012/174734A1 |
The present invention relates to butadiene rubber polymers having low molecular weights and narrower molecular weight distributions than those known in the art. The present invention also relates to a metal-containing catalyst system, a ...
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WO/2012/164944A1 |
The invention relates to a rubber composition having even more excellent workability and cracking properties than the prior art; more specifically, the invention relates to a rubber composition containing a polymer (B) obtained from an e...
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WO/2012/158867A1 |
Provided is a process for making a saturated star hydrocarbon polymer. The process has the following steps: (A) hydrosilylating tetraethylene silicon with methyldichlorosilane in the presence of a hydrosilylating catalyst to form a chlor...
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WO/2012/154721A1 |
The present disclosure is directed towards a solution or bulk polymerization process for preparing high-cis polydienes that utilizes at least one vinyl aromatic compound as a molecular weight regulator. The disclosed solution or bulk pol...
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WO/2012/146607A1 |
A method of recovering crude oil from a subterranean hydrocarbon-containing formation, comprises the steps: i) injecting into said formation an enhanced oil recovery composition comprising a) a surfactant having the general formula: R1-X...
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WO/2012/143459A1 |
The invention relates to methods for isolating and obtaining polychloroprene solids, wherein an aqueous polychloroprene dispersion is brought in contact with water vapor containing coagulant, whereby the polychloroprene solid coagulates.
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WO/2012/143336A1 |
The invention relates to a polychloroprene solid on the basis of a polychloroprene dispersion, said solid having thixotropic properties.
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WO/2012/121135A1 |
Provided is a method for evaluating the chemical stability of polychloroprene latex with which stability of polychloroprene in the presence of a chemical can be evaluated with high precision. First, an aqueous calcium hydroxide solution ...
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WO/2012/121848A2 |
In accordance with one aspect a temperature regulating article comprises a substrate and a polymeric phase change material bound to the substrate, wherein the polymeric phase change material is characterized by including a precisely bran...
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WO/2012/109343A2 |
Provided are methods of preparing polymers, such as polyisoprene, polybutadiene, polypiperylene, polycyclohexadiene, poly-β-farnesene, or poly-β-myrcene, using iron complexes. Also provided are novel iron complexes, pre-catalysts, inte...
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WO/2012/106694A2 |
A novel class of lanthanide metal phenoxyimine complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers.
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WO/2012/106697A2 |
A novel class of lanthanide metal salen complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers.
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WO/2012/102290A1 |
The present invention provides: a synthesis system for synthesizing aniline and/or styrene with high efficiency; a synthesis system for synthesizing butadiene (1,3-butadiene) with high efficiency; a rubber chemical substance for tires, w...
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WO/2012/103327A1 |
The invention provides a polymer prepared from a substituted 1,3-butadiene (such as neophytadiene) derived from a plant of the Nicotiana species. The invention also provides smoking articles and smokeless tobacco compositions that includ...
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WO/2012/092551A1 |
A process for preparing a polydiene, the process comprising the steps of (i) providing conjugated diene monomer; (ii) charging a nickel-based catalyst system to the conjugated diene monomer; and (iii) charging a modulating Lewis base to ...
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WO/2012/092547A1 |
A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer with a nickel-based catalyst system, where said step of polymerizing takes place within a polymerization mixture that includes ...
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WO/2012/086328A1 |
Provided are an emulsification device, a polymer particle production apparatus provided with the emulsification device, and a polymer particle production method using the production apparatus. An emulsification device (3) comprises emuls...
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WO/2012/075964A1 |
Disclosed is a neodymium based homogeneous phase rare earth catalyst and the neodymium based homogeneous phase rare earth catalyst is prepared by a process comprising the steps of: 1）in an inert solvent, preparing a mixture solution co...
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WO/2012/073838A1 |
Provided is a rubber composition for tire treads which brings about lower rolling resistance and better wet performance than on the conventional levels. This rubber composition for tire treads is characterized by comprising 100 parts by ...
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WO/2012/046167A1 |
A process for the preparation of diene polymers or vinylarene-diene statistical (random) copolymers which comprises the anionic (cp) polymerization, in hydrocarbon solvents, of at least one monomer of a conjugated diene, optionally in th...
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WO/2012/039466A1 |
Provided is a solid polymer separator (1) which comprises a cylindrical screen (11) provided with a number of slits, a driving unit for circumferentially rotating the screen (11), a helical guide plate provided in the inner circumferenti...
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WO/2012/039124A1 |
The present invention provides a method for producing, without using an organotin compound, a terminal acrylic-modified polybutadiene or terminal acrylic-modified hydrogenated polybutadiene that will not turn cloudy. The production metho...
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WO/2012/040026A1 |
A method for producing a polydiene, the method comprising the steps of: (i) forming an active catalyst by combining a lanthanide-containing compound, an alkylating agent, and a halogen source in the substantial absence of an amine; and (...
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WO/2012/017705A1 |
A polychloroprene latex, with which a rubber-asphalt composition having excellent stability at a low temperature and excellent properties of forming a film on an adherend is obtained; a rubber-asphalt composition and a construction metho...
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WO/2012/013697A2 |
This invention relates to a process for the hydrogenation of diene-based copolymers in the presence of cata!ysts on specific carrier materials containing at least one hyper-branched polymer.
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WO/2012/008298A1 |
The present invention relates to: an isoprene oligomer composed of a trans structural moiety represented by formula (1) and a cis structural moiety, wherein at least one of atoms or groups of atoms contained in the trans structural moiet...
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WO/2011/159448A1 |
Butadiene polymers are brominated using tetraethylammonium tribromide as the brominating agent. The bromination is performed in a solvent for the starting polymer and for the tetraethylammonium bromide that is formed as a reaction byprod...
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WO/2011/117302A1 |
The present invention relates to water and solvent-free polymers, in particular water and solvent-free synthetic rubber products like styrene butadiene rubber products and butadiene rubber products as well as a process for the production...
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WO/2011/116103A1 |
The present disclosure relates to methods of modifying natural rubber latex and products manufactured from same. In an embodiment, an inflatable latex balloon comprises an aluminum hydroxide-modified natural rubber latex envelope. In an ...
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WO/2011/102518A1 |
Disclosed are a polybutadiene having a controlled microstructure, a narrow molecular weight distribution, minimal gel content, and a low APHA color, a modified polybutadiene, preparation methods for both, and a rubber-reinforced styrene ...
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WO/2011/094094A1 |
The present invention provides for a composition that includes a hydrogenated styrenic block copolymer that has at least one block A and at least one block B, and about 10 to about 90 percent by weight of an styrene-isobutylene-styrene b...
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WO/2011/087841A1 |
An oxolanyl compound-containing composition comprising specified amounts of the meso-isomer of one or more of the oxolanyl compounds of specified structure is provided. Also provided are methods for the use of such compositions as vinyl ...
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WO/2011/085202A1 |
An elastomeric thermoplastic non-vulcanized terpolymer composition formed from acrylonitrile, styrene, and liquid 1,3-butadiene is disclosed herein. The terpolymer can have from 20 percent by weight to 50 percent by weight of the acrylon...
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WO/2011/085207A1 |
High structure carbon black-styrene butadiene compositions and methods for making such are provided herein. In addition, articles made from the high structure carbon black-styrene butadiene compositions are also provided. The method can ...
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WO/2011/076377A1 |
The invention provides a first composition comprising at least the following: i) a modified polymer comprising at least one branched modified polymer macromolecule (b1) and at least one linear modified polymer macromolecule (a1), and whe...
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WO/2011/071119A1 |
A method for producing a conjugated polymer which comprises electrolytically polymerizing a monomer using a thermotropic liquid crystal composition as a reaction field. The thermotropic liquid crystal composition has a solid-liquid cryst...
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WO/2011/066959A1 |
The invention provides a catalyst system comprising: A) cobalt II carboxylate, and B) at least one co-catalyst of the following Structure A wherein n is from 1 to 10, preferably from 1 to 6, and more preferably from 1 to 4; each R is ind...
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WO/2011/066405A1 |
A process for producing functional polymer, the process comprising the steps of reacting an anionic initiator including a functional group with a stabilizing monomer to produce a stabilized initiator, reacting the stabilized initiator wi...
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WO/2011/047220A1 |
A process for making a substantially saturated dendritic hydrocarbon polymer. The process has the following steps: (a) polymerizing an amount of one or more alkadiene monomers and/or one or more alkenylaromatic polymers under anionic con...
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WO/2011/040312A1 |
Disclosed is a modified conjugated diene polymer and a modified conjugated diene polymer composition which yield a vulcanizate exhibiting excellent processability, an excellent balance between wet skid resistance and low hysteresis loss,...
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WO/2011/040881A1 |
This invention relates to the polymerization of vinyl monomers by atom transfer radical polymerization (ATRP) using metal salts in ppm molar quantities. It relates to the polymerization under ATRP conditions using unimolecular ligand-ini...
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WO/2011/039737A1 |
A method used for the preparation of a composite article includes placing a plurality of dicyclopentadiene (DCPD) monomers and ruthenium,[1,3-bis-(2,4,6-trimethylphenyl) imidazolidinylidene] dichloro (phenylmethylene)(tricyclohexylphosph...
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WO/2011/028523A2 |
A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer with a lanthanide-based catalyst system in the presence of a vinylsilane, an allylsilane, or an allylvinylsilane.
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