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JP2017526645A |
The present invention relates to novel compounds useful as precursors of modified monomers and polymerization initiators. The present invention further relates to a method of making a polymerization initiator and the resulting polymer. T...
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JP6196982B2 |
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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JP6196441B2 |
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JP6191685B2 |
There is obtained a rubber composition which can improve low fuel consumption performance, workability, and abrasion resistance at the same time in uses of automobile tires and the like. A modified conjugated diene polymer is produced by...
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JP6187477B2 |
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JP6189474B2 |
A method for preparing a polydiene polymer, the method comprising: (i) preparing an active polymerization mixture by introducing conjugated diene monomer, and optionally monomer copolymerizable therewith, and a lanthanide-based catalyst ...
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JP6185070B2 |
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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JP6180127B2 |
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JP6181415B2 |
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JP6182539B2 |
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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JP6169073B2 |
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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JP2017125132A |
To provide a waste liquid solidifying agent which exhibits stable solidification performance even when a shape (height) of a storage container of the waste liquid and a concentration of salts are large, and produces a solidified material...
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JP6163822B2 |
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JP6164686B2 |
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JP6163815B2 |
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JP6166050B2 |
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JP6161264B2 |
A functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer and a polymerization terminator of formula I is disclosed. R 1 , R 2 and R 3 are independently selected from a C1 to C8 alkyl or a C1 to C...
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JP6157806B2 |
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JP6154726B2 |
A rubber composition includes a diene rubber containing at least a polybutadiene rubber produced by use of a rare earth element based catalyst; a carbon black in an amount of 10 to 99 parts by mass for 100 parts by mass of the diene rubb...
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JP2017110070A |
To improve wet grip performance while suppressing a decrease in hardness at a normal temperature and an increase in elastic modulus at a low temperature.A rubber composition contains, based on 100 pts.mass of a rubber component comprisin...
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JPWO2016039004A1 |
One aspect of the invention is a 5% toluene solution viscosity (Tcp) measured at 25 ° C and a Mooney viscosity (ML) at 100 ° C.1+4) To ratio (Tcp / ML)1+4) Is 1.3 or more and 5.0 or less, the molecular weight distribution (Mw / Mn) is ...
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JP6145937B2 |
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JP6144008B2 |
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JP6144275B2 |
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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JP6133362B2 |
A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a carboxylic or thiocarboxy...
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JP6133652B2 |
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JP2017082138A |
To provide a preparation method of a catalyst with high activity.There is provided a catalyst preparation method including a process of reacting only a rare earth element compound (A) of the formula (I):M-(AQ)(AQ)(AQ), where M is a lanth...
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JP2017082139A |
To provide a catalyst preparation method capable of enhancing microstructure selectivity of products.There is provided a catalyst preparation method including a process of reacting only a rare earth element compound (A) of the formula (I...
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JP2017082137A |
To provide a manufacturing method of a modified conjugated diene polymer capable of manufacturing the modified conjugated diene polymer having a high modification rate.The manufacturing method of a modified conjugated diene polymer inclu...
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JP6131387B2 |
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JP6130352B2 |
An object of the present invention is to provide a polychloroprene latex with improved rubber coagulability that gives a film superior in strength by dip molding, a polychloroprene latex composition, and a molded article. The polychlorop...
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JP6125252B2 |
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JP6125283B2 |
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JP6119897B2 |
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JP6116927B2 |
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JP2017066175A |
To provide a vibrationproof rubber composition having improved balance of processability and abrasion resistance, further static and dynamic properties or the like and a vibrationproof rubber.There is provided a vibrationproof rubber com...
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JP6106658B2 |
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JP6105782B2 |
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 branched polymer with substantiall...
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JP6105830B2 |
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JPWO2015093611A1 |
Producing compounds with high productivity. The amount of the first raw material supplied from the first raw material supply unit, the second raw material supply unit, the reaction unit, the first raw material supply unit to the reaction...
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JP6098859B2 |
The present invention is capable of attaining a high yield in production of a diene-based polymer. A diene-based-monomer solution is supplied as a starting material to a polymerization tank to produce a diene-based polymer. To the polyme...
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JP6101021B2 |
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JPWO2015080273A1 |
The present invention provides a biological method for improving isoprene production. Specifically, the present invention comprises a method for producing an isoprene monomer, which comprises culturing an isoprene synthase-expressing mic...
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JPWO2015076392A1 |
The present invention provides an enzyme useful for establishing an excellent isoprene monomer production system. Specifically, the present invention presents the following: (a) substitution, deletion, insertion, or addition of one or se...
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JP6097537B2 |
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JP6091918B2 |
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JP6092207B2 |
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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JP6086650B2 |
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JP2017038778A |
To provide a rubber composition for a golf ball, having high hardness and strength while retaining rebound resilience, and a golf ball using the same.A rubber composition for a golf ball is obtained by mixing 10-50 pts.wt. of a co-cross-...
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JP2017039929A |
To provide a manufacturing method of a pentadiene homo or copolymer capable of trans-1,4-selective polymerization of (E)-1,3-pentadiene monomer, the pentadiene homo or copolymer, and a thermoplastic elastomer.There is provided a manufact...
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