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WO/2014/075901A1 |
The present invention relates to a process for preparing polybutadiene, wherein butadiene is anionically polymerized in a tube reactor having an interfacial area of at least 200 m²/m³ using a solvent mixture comprising at least one non...
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WO/2014/074767A1 |
The present disclosure relates to the preparation and application of conducting polymers nanoparticle composites. Specifically, the disclosure relates to the preparation of polyaniline, or similar conducting polymers, as polymer nanopart...
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WO/2014/052957A1 |
A novel class of organometallic complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers that include both olefins and polyenes.
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WO/2014/047356A1 |
This invention relates to a reaction product obtained by contacting a polymer comprising units derived from dicyclopentadiene with a vinyl terminated macromonomer, a vinyl monomer or a vinylene monomer, in the presence of a metathesis ca...
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WO/2014/042027A1 |
The purpose of the present invention is to provide an isoprene oligomer and polyisoprene in which a modification has been added to the main-chain moiety of the molecule. Also provided are a rubber composition obtained by blending the iso...
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WO/2014/037861A1 |
Process for the preparation of diene polymers or random vinyl arene-diene copolymers which comprises (co) polymerizing, anionically, in the presence of at least one hydrocarbon solvent, at least one conjugated diene monomer and optionall...
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WO/2014/017216A1 |
Provided are: a chloroprene rubber which does not easily adhere to a roll and provides a vulcanized product having excellent physical properties; a method for producing the chloroprene rubber; a chloroprene rubber composition; and a vulc...
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WO/2014/010249A1 |
Provided are a polymer composition having the properties of natural rubber (durability (anti-fracture properties, abrasion resistance and anti-crack-growth properties), and a manufacturing method for same. A manufacturing method for a ...
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WO/2014/006007A1 |
The present invention relates to a process for continuous synthesis, in a highly concentrated medium, of diene elastomers with a high degree of conversion, which comprises the following simultaneous steps: a) continuously introducing, in...
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WO/2014/006830A1 |
Provided is a method for more efficiently and stably producing a polybutadiene which is capable of providing a rubber composition and a tire that have excellent durability (fracture resistance, wear resistance and crack propagation resis...
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WO/2013/188632A1 |
This invention provides a method for shortstopping free radical polymerization reactions using combinations of N-isopropylhydroxylamine (IPHA) or salts thereof with either primary or secondary alkyl hydroxylamines, or with at least two p...
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WO/2013/186691A1 |
A process for the preparation of a functionalized and branched elastomeric copolymer comprising the following steps : (a) anionic copolymerization of at least one conjugated diene monomer and at least one vinyl arene, in the presence of ...
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WO/2013/178293A1 |
The invention relates to a method for polymerizing a diene, comprising the following steps: reacting the diene with hydrogen peroxide in a hydrophilic organic solvent in the presence of water forming a reaction mixture at temperatures of...
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WO/2013/179722A1 |
The invention provides a useful means for establishing an excellent isoprene monomer production system. Specifically, the invention provides polynucleotides and the like of (a), (b), or (c) below: (a) polynucleotide containing (i) a base...
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WO/2013/179651A1 |
Provided is a polymerization catalyst composition which enables efficient synthesis of a polyisoprene having a high molecular weight under industrial conditions without accompanying excessive gelation. A polymerization catalyst compositi...
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WO/2013/167411A1 |
The invention relates to diene polymers having, at the start of the polymer chain, tertiary amino groups of formula (I) or (II), wherein R1, R2 are identical or different and represent alkyl-, cycloalkyl-, aryl-, alkaryl- and aralkyl gro...
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WO/2013/167410A1 |
The invention relates to diene polymers or diene copolymers, said diene polymers or diene-copolymers having, at the start of the polymer chain, tertiary amino groups of formula (Ia), (Ib), (IIa) or (IIb), wherein R1, R2 are identical or ...
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WO/2013/168039A1 |
A process for the preparation of branched polybutadiene having a high content of 1,4-cis units which comprises polymerizing butadiene in the presence of at least one organic solvent, and in the presence of: a) a catalytic system prepared...
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WO/2013/166124A1 |
Embodiments provide polydienes and diene copolymers having organophosphines functionality. Specific embodiments employ phosphorus-containing organometal initiators and copolymers prepared by anionically polymerizing conjugated diene mono...
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WO/2013/157272A1 |
Provided is a method with which it is possible to produce a polymer that is added with silica without a long kneading process. Also provided is a polymer composition which has a favorable low heat generation property. [Solution] With res...
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WO/2013/149233A1 |
A method of preparing a polymer, the method comprising: metalating an organophosphine compound in the substantial absence of monomer to form a metalated organophosphine; and introducing the metalated organophosphine to monomer including ...
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WO/2013/139378A1 |
The present invention relates to a process for the continuous preparation of modified elastomeric polymers, comprising the steps of (i) providing and polymerizing at least one conjugated diene monomer and, optionally, one or more aromati...
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WO/2013/138270A1 |
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 organosulfide...
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WO/2013/132846A1 |
Provided are: a polymer with which a crosslinked rubber composition with improved durability (fracture resistance, abrasion resistance, and crack growth resistance) can be obtained and a method for producing the same; a rubber compositio...
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WO/2013/132849A1 |
This rubber composition comprises a rubber component, the rubber component being a synthetic polyisoprene or an isoprene copolymer, and containing at least a polymer with a gel fraction of 20% or less.
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WO/2013/132848A1 |
This polymer is a synthetic polyisoprene or an isoprene copolymer, and the number average molecular weight (Mn) by gel permeation chromatography (GPC) measurement is 1,500,000 or more.
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WO/2013/128977A1 |
Provided is a method for producing a branched conjugated diene polymer by copolymerizing 1 to 100 weight% of a branched conjugated diene compound (1) monomer (in the formula, R1 represents a C6-11 aliphatic hydrocarbon), 99 to 0 weight% ...
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WO/2013/129676A1 |
Provided are: a polychloroprene latex in which rubber aggregability is improved and with which it is possible to obtain a film having excellent strength by dip-molding; a polychloroprene latex composition; and a molded article. This poly...
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WO/2013/130522A1 |
Disclosed herein are solution polymerization processes for producing a high-cis polydiene. The processes include polymerizing at least one conjugated diene monomer in an organic solvent in the presence of at least one thiol compound and ...
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WO/2013/121960A1 |
The present invention provides a chloroprene polymer composition that is less prone to discoloration even when exposed to heat and light. Provided is a chloroprene rubber composition obtained by: performing emulsion polymerization in the...
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WO/2013/118766A1 |
To provide an ink composition for inkjet recording, which has excellent gloss and storage stability. An ink composition for inkjet recording of the present invention is characterized by containing a polymerizable compound (component A), ...
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WO/2013/105502A1 |
The present invention addresses the problem of providing a rubber composition for a tire, said rubber composition ensuring both satisfactory rolling resistance and satisfactory wear resistance when applied to a tire member such as tread....
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WO/2013/105370A1 |
Provided are: a sulfur modified chloroprene rubber that has excellent adhesiveness to core wires and reinforced fiber materials; a method for producing the same; and a molded body. A polymerization step of blending 0.1 to 2.0 parts by ma...
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WO/2013/101861A1 |
A process for preparing a polydiene, the process comprising the steps of: polymerizing conjugated diene monomer with a metallocene complex catalyst system within a polymerization mixture that includes less than 20% by weight of solvent b...
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WO/2013/092895A1 |
The invention relates to a "preformed" activated catalytic system for the stereospecific 1,4-cis polymerization of dienes conjugated base on at least one or more preformed conjugated diene monomers, one or more salts of one or more rare ...
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WO/2013/094629A1 |
A method for producing a modified conjugated diene polymer, which comprises: a step wherein a conjugated diene polymer is obtained by polymerizing monomers that include a conjugated diene compound or the like in the presence of an alkali...
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WO/2013/090892A1 |
Substituted phenacyl molecules are provided and employed to create molecules and polymers/copolymers that exhibit photoresponsiveness. In some instances, the substituted phenacyl molecule is incorporated into the polymer/copolymer backbo...
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WO/2013/086480A2 |
A method for preparing a coupled polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer; (ii) reacting the reactive polymer with a polyisocyanate having a functionality of X to form an intermedia...
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WO/2013/084671A1 |
Provided is a method for manufacturing a modified polymer or hydrogen adduct thereof, the method allowing components that inhibit polymerization to be removed and the remaining part to be reused as a polymerization solvent. The method in...
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WO/2013/080967A1 |
The purpose of the present invention is to provide a method for purifying 1,3-butadiene, said method being capable of the following: effectively removing, from 1,3-butadiene that contains a polymerization inhibitor, organic compounds tha...
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WO/2013/077530A1 |
A characterising feature of the present invention is that, in a production method for nitrile rubber, the nitrile rubber is produced with the addition of between 0.1 and 5 parts by weight, with respect to 100 parts by weight of the monom...
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WO/2013/075085A1 |
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 a sulfone, a su...
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WO/2013/075074A1 |
A method for preparing a coupled polymer, the method comprising the steps of: (i) polymerizing monomers to form a reactive polymer, and (ii) reacting the reactive polymer with a glycidic ester.
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WO/2013/051613A1 |
The objective of the present invention is to provide a derivative of polybutadiene suitable as a material of a curable composition for obtaining a cured product provided with high shearing force. The present invention provides: a silylat...
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WO/2013/051966A1 |
The invention relates to the field of producing synthetic rubbers, in particular diene (co)polymers, such as polybutadiene, polyisoprene and styrene-butadiene rubber (SBR), which can be used in the production of tyres and industrial r...
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WO/2013/038957A1 |
[Problem] To provide: a conjugated diene polymer that has a halogen atom at the end of the polymer chain, enables easy introduction of a prescribed functional group at the end of the polymer chain by using said halogen atom, and has exce...
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WO/2013/037913A1 |
A bis-imine pyridine complex of lanthanides having general formula (I): Said bis-imine pyridine complex of lanthanides having general formula (I) can be advantageously used in a catalytic system for the (co)polymerization of conjugated d...
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WO/2013/037910A1 |
A bis-imine complex of lanthanides having general formula (I): Said bis-imine complex of lanthanides having general formula (I) can be advantageously used in a catalytic system for the (co)polymerization of conjugated dienes.
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WO/2013/037911A1 |
A bis-imine pyridine complex of lanthanides having general formula (I). Said bis-imine pyridine complex of lanthanides having general formula (I) can be advantageously used in a catalytic system for the (co)polymerization of conjugated d...
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WO/2012/141511A9 |
The present invention relates to a method for manufacturing a waste vegetable oil-based biomass elastomer, and more particularly, to a method for manufacturing a biomass elastomer comprising: a step (step 1) of modifying the end of polyb...
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