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JP6487220B2 |
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JP6488059B2 |
The present invention provides a modifier including a silane-based compound of Formula 1, which may prevent the agglomeration of a filler in a rubber composition and increase the dispersibility of a filler, thereby improving the processa...
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JP6480758B2 |
To provide a method for producing a conjugated polymer capable of suppressing the adhesion of a conjugated diene polymer to guide parts provided in a device having a screw and also suppressing the thermal deterioration of the adhered con...
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JPWO2017195634A1 |
To provide a terminally modified conjugated diene polymer capable of improving the fracture resistance of a rubber article. A terminal-modified conjugated diene-based polymer, characterized in that the amount of catalyst residue based on...
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JP6478407B2 |
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JP6480245B2 |
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JP2019031686A |
To provide a catalyst for conjugated diene polymerization that allows production of a conjugated diene polymer with a high content of the cis-1,4 structure, and a production method of the conjugated diene polymer.A catalyst for conjugate...
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JP6472534B2 |
Provided is an apparatus for preparing polybutadiene which may improve productivity by minimizing a plugging phenomenon during the preparation of polybutadiene and increasing a conversion rate.
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JP6468700B2 |
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JP6468512B2 |
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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JP6467067B2 |
The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and...
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JP6464027B2 |
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JP6467068B2 |
The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and...
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JP6456397B2 |
Disclosed are a method of preparing a modified conjugated diene-based polymer, a modified conjugated diene-based polymer prepared thereby, a rubber composition including the modified conjugated diene-based polymer, and a tire including t...
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JP6451500B2 |
The present invention relates to a thermosetting resin composition containing a polymer (c) obtained through radical polymerization of trifunctional or higher compounds (a) having a polymeric double bond in the presence of a chain transf...
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JP6450067B2 |
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JP6444661B2 |
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JP6446004B2 |
In general the present invention provides a process for forming conjugated diene polymer, the process comprising the step of polymerizing conjugated diene monomer in the presence of a catalytically effective amount of a catalyst composit...
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JP6433483B2 |
The present invention relates to additive composition and method of use thereof for controlling and inhibition of polymerization and dimerization of aliphatic monomers including butadiene comprising A) one or more of first component sele...
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JP6432319B2 |
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JP6430529B2 |
Disclosed are a modified conjugated diene-based polymer represented by specific Chemical Formula, a method of preparing the same, and a rubber composition including the same.
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JP6430854B2 |
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JP6429043B2 |
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JP6426140B2 |
A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with an imine compound containing a heterocyclic group and a...
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JP6422403B2 |
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JP6418227B2 |
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JP2018168127A |
To provide an organolithium compound capable of suppressing increase of weigh average molecular weight of an obtained polymer more than a set value (targeted weight average molecular weight) compared to marketed organolithium compounds w...
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JP6414690B2 |
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JP6407164B2 |
The present invention relates to an oxo-nitrogenated complex of cobalt having the general formula (I) wherein the residues R1, R2, R3, X1 and X2 are as defined in the claims. Said oxo-nitrogenated complex of cobalt having general formula...
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JP6394589B2 |
An object of the present invention is to provide a modified conjugated diene polymer that is excellent in processability and impact resilience, has markedly improved abrasion resistance and crack growth resistance, is excellent in low he...
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JP6398003B2 |
The present invention relates to a method for preparing a large-diameter diene-based rubber latex and an acrylonitrile-butadiene-styrene graft copolymer comprising the same. The present invention relates to: a method for preparing a larg...
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JP2018145160A |
To provide a manufacturing method for manufacturing an isoprene monomer or an isoprenoid compound at high yield and high selectivity, a polymer derived from the isoprene monomer, a rubber composition and a manufacturing method therefor, ...
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JP6390610B2 |
Provided are a catalyst for a conjugated diene polymerization capable of producing a conjugated diene polymer having a high content of cis-1,4-structures with a high activity, a conjugated diene polymer and a modified conjugated diene po...
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JP6389845B2 |
A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer, and reacting the reactive polymer with a halosilane compound containing an amino group.
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JP6384946B2 |
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JP6380048B2 |
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JP6381531B2 |
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 optionally...
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JP2018131499A |
To provide: a rubber composition for a tread of a heavy-load tire, allowing for production of a heavy-load tire which exhibits excellent rolling resistance performance and furthermore has good strength and wear resistance; a tire tread u...
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JP2018131501A |
To provide: a rubber composition for a high grip tire tread, combining wet grip performance with dry grip performance; a tire tread using the rubber composition partly; and a pneumatic tire for racing.The rubber composition for a high gr...
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JP6375174B2 |
To provide: a modified farnesene polymer and production method therefor that can suppress the heat evolution due to the friction between the fillers, and that can improve the elastic modulus; also a rubber composition containing the modi...
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JP2018123225A |
To provide a rubber composition excellent in low hysteresis loss property and fatigue resistance, a vulcanizate and a manufacturing method of the rubber composition.There is provided a rubber composition containing a rubbery polymer cont...
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JP6363887B2 |
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JP6363705B2 |
The invention relates to neodymium-catalyzed polybutadienes (NdBR) comprising >95 wt % of cis-1,4 units and <1 wt % of 1,2-vinyl content, based on the neodymium-catalyzed polybutadiene, wherein the NdBR evinces a molar mass breakdown of ...
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JP6360107B2 |
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JP6357549B2 |
Disclosed are an anionic polymerization initiator, which is a reaction product of an organometallic compound and a compound including an alkyl chain having a tertiary amino functional group, and a method of preparing a conjugated diene-b...
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JP6357171B2 |
Process for the preparation of (co)polymers of conjugated dienes which comprises polymerizing at least one conjugated diene in the presence of a catalytic system comprising at least one bis-imino-pyridine complex of cobalt having general...
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JP6353710B2 |
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JP6348348B2 |
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JP6348911B2 |
Process for the preparation of (co) polymers of conjugated dienes which comprises polymerizing at least one conjugated diene in the presence of a catalytic system comprising at least one bisimine complex of cobalt having general formula ...
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JP6341593B2 |
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