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JP6341593B2 |
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JP6341439B2 |
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JP6340905B2 |
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JP6338914B2 |
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JP6338044B2 |
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JP6328348B2 |
The present invention is directed to a process for producing a modified olefin polymer in an extruder having a feed zone, a melting zone, optionally a mixing zone and optionally a die zone, (A) introducing a stream of an olefin polymer i...
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JP2018512385A |
The present invention relates to novel polymerizable multivinyl aminosilanes useful as branching agents for synthetic rubber and natural rubber. The compound can be used in the polymerization of conjugated diene monomers, optionally with...
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JP2018076432A |
To provide a diene polymer having polar functional groups introduced to both terminals by radical polymerization and a method for producing the same, a polymer emulsion and a rubber composition comprising the diene polymer, and a pneumat...
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JP2018071985A |
To provide a particle for adsorbing radionuclide superior in adsorptivity of radionuclide even in seawater waste liquid rich in metal ions.A particle (Z) for adsorbing radionuclide containing an absorbent resin (X) comprising a crosslink...
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JP6317468B2 |
Disclosed are an end-modified conjugated diene-based polymer configured such that the end of a conjugated diene-based polymer is coupled with an aminosilane-based end modifier, and a method of preparing the same.
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JP6318142B2 |
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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JP2018062567A |
To provide a modified conjugated diene polymer composition that exhibits excellent low-hysteresis-loss properties when made into a vulcanizate.A modified conjugated diene polymer composition contains component (a) and component (b). The ...
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JP6307977B2 |
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JP2018053120A |
To provide a polybutadiene composition having lower solution viscosity by suppressing aggregation of polybutadiene each other or adhesion to a manufacturing facility, and a styrene resin composition using the same.There is provided a pol...
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JP6304924B2 |
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JP2018048234A |
To provide a modified conjugated diene polymer composition that shows excellent rolling resistance, brake performance and wear resistance when made into a vulcanizate, and a method of producing the same.A modified conjugated diene polyme...
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JP2018048349A |
To provide a rubber composition capable of providing a tire which is excellent in workability at the time of production, and has mechanical strength, dry grip performance and wet grip performance at high level, and to provide a tire usin...
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JP6300201B2 |
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JP2018044146A |
To provide a rubber which does not impair workability and can enhance a tensile stress without increasing carbon black and blending a fiber and a resin.A vinyl-cis-polybutadiene rubber is formed of a cis-1,4-polybutadiene rubber and a sy...
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JP6297041B2 |
The method for producing a polymer of the present invention comprises step (1) of continuously feeding a monomer comprising a conjugated diene compound and/or an aromatic vinyl compound to a polymerization tank, and step (2) of continuou...
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JP6287442B2 |
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JP6283686B2 |
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JP2018024797A |
To provide a rubber composition excellent in impact resistance and environmental stress crack resistance, and to provide a rubber-modified styrenic resin using the same.A rubber composition is blended with 28-80 wt.% of polybutadiene (A)...
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JP6274482B2 |
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JP6268513B2 |
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JP6269867B2 |
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JP6267111B2 |
Polychloroprene-solid material exhibiting thixotropic properties, is claimed. Independent claims are also included for: (1) isolating and obtaining the above polychloroprene-solid material, comprising contacting aqueous polychloroprene-d...
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JP6265301B2 |
The present invention is to provide a diene polymer that exhibits excellent low rolling resistance when used in a tire, a method for producing the diene polymer, and a rubber composition containing the diene polymer. The diene polymer of...
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JP6268119B2 |
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JP6258229B2 |
A method for producing a polymer has: a polymerization step of polymerizing at least a conjugated diene monomer in a hydrocarbon solvent using an organolithium compound as a polymerization initiator, and obtaining a polymer; and, followi...
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JP2017226803A |
To provide an α phellandrene polymer excellent in heat resistance, a manufacturing method therefor and a molded article comprising the α phellandrene polymer.[1] There is provided an α phellandrene polymer having number average molecu...
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JP6254728B2 |
The present invention provides means useful for establishing an excellent isoprene monomer production system. Specifically, the present invention provides a polynucleotide of the following (a), (b), or (c): (a) a polynucleotide comprisin...
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JP6252716B1 |
Mooney viscosity is high, and morphological stability is good, and it obtains a denaturation conjugate diene system polymer which reveals outstanding processability and low febrility with the smallest possible number of processes. A conj...
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JP6246802B2 |
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JP6246803B2 |
The present invention relates to a technique of improving the hydrogenation reaction of diene-based polymers present in aqueous suspension by in-situ synthesizing the catalyst in the presence of a specific aliphatic alcohol.
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JP6245411B2 |
An object of the present invention is to provide a polymer obtained from novel monomers, a composition containing the polymer, an electronic material composition, and an electronic element, the polymer, by being added to the electronic m...
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JP6244033B2 |
This disclosure is to provide a rubber composition excellent in low loss property and wear resistance without deteriorating the processability. The rubber composition of this disclosure contains a rubber component having a diene-based po...
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JP2017535621A |
In the present invention, a step of preparing a mixture of a molecular weight modifier and a conjugated diene-based monomer; and a catalyst composition in which the mixture contains a lanthanum-series rare earth element-containing compou...
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JP6229446B2 |
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JP6231082B2 |
OLED materials having the formula: T-A(-S-B(-P-B)m-S-A)n-T where A are independently selected rod-shaped, rigid molecular core units, S are independently selected flexible spacer units, B are polymerisable crosslinking groups independent...
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JP6231997B2 |
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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JP6231991B2 |
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. T...
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JP6232142B2 |
This disclosure is to provide a rubber composition excellent in low loss property, breaking resistance and wear resistance. In order to achieve the aforementioned purpose, this disclosure is a rubber composition containing a rubber compo...
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JP6227311B2 |
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JP6214645B2 |
The present invention provides a novel process for subjecting a diene-based-polymer to a metathesis reaction in a first step and a selective hydrogenation of the carbon-carbon double bonds present in such diene-based polymers in a second...
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JP6211612B2 |
The method for producing a polymer of the present invention is a method for producing a polymer by polymerization of a monomer comprising a conjugated diene compound and/or an aromatic vinyl compound by use of an organolithium compound a...
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JP6211640B2 |
High-molecular-weight bimodal neodymium-catalyzed polybutadiene (I), having a high content of cis-1,4 units of greater than 95% and a low content of 1,2-vinyl units of less than 1%, is new, where (I) comprises a linear polymeric main fra...
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JP6209582B2 |
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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JP6207834B2 |
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JP6199390B2 |
The present invention relates to a composite catalyst, preparation process thereof, and process for catalyzing the trimerization of butadiene using the composite catalyst. The composite catalyst comprises: (A) a titanium compound catalys...
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