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WO/2020/045339A1 |
The present invention provides a method for producing a polymer latex, which comprises a step wherein an organic solvent is removed by distillation from an emulsion that is obtained by mixing an aqueous solution of an emulsifying agent w...
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WO/2020/038795A2 |
The invention relates to a folding roller (1) for folding sheets of paper in a folder (2), comprising a roller core (11) and a nitrile rubber coating (10) applied thereto. The nitrile rubber selected for the coating (10) is an XNBR mater...
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WO/2020/040254A1 |
The purpose of the present invention is to provide: a copolymer production method for an aromatic vinyl-diene copolymer having a low glass transition temperature; and a production method for a rubber composition using the production meth...
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WO/2020/020629A1 |
The present invention relates to the use of specific catalysts for the metathesis degradation of nitrile rubber (NBR). The invention further relates to a method for preparing nitrile rubber with reduced molecular weight using specific ca...
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WO/2020/021929A1 |
Fuel-saving tires have spread, and tires including silica as a filler are becoming increasingly common. Modified solution-polymerized SBRs for silica are widely used for the purpose of using silica as a filler. Meanwhile, emulsion-polyme...
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WO/2020/020677A1 |
The present invention relates to a method for producing hydrogenated nitrile rubber (HNBR) having good ageing properties in the presence of ruthenium, palladium or rhodium compounds and also to the hydrogenated nitrile rubber produced by...
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WO/2020/020630A2 |
This invention relates to a novel process for selectively and efficiently hydrogenating nitrile rubber in the presence of specific complex catalysts system comprising an NHC-ligand comprising Ru-complex catalyst and a specific hydrogenat...
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WO/2020/021912A1 |
A copolymer serving as a precursor of a hydrogenated copolymer is produced by copolymerizing an aromatic vinyl compound with an aliphatic conjugated-diene compound in the presence of an ether compound, in order to inhibit the hydrogenate...
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WO/2020/004284A1 |
Provided is a crosslinkable nitrile rubber composition containing: a nitrile-group-containing copolymer rubber (A) containing α,β-ethylenically unsaturated nitrile monomer units, conjugated diene monomer units, α,β-ethylenically unsa...
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WO/2020/002460A1 |
The present invention relates to a method for producing a grafted rubber, the method comprising the steps of: A) providing a rubber comprising at least one olefinic carbon-carbon-double bond, B) providing a polymer being capable of exhib...
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WO/2019/244850A1 |
Provided is a rubber composition which combines dry driving stability with low-rolling-resistance characteristics to a high degree. The rubber composition comprises a rubber ingredient (A), a filler (B), and a thermoplastic resin (C), wh...
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WO/2019/240071A1 |
An objective of the present invention is to provide a rubber composition exhibiting excellent dispersibility and low heat build-up properties. The rubber composition of the present invention includes: a modified isoprene polymer; a rubbe...
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WO/2019/240068A1 |
An objective of the present invention is to provide a rubber composition exhibiting excellent dispersibility, low heat build-up properties and superior abrasion resistance. The rubber composition of the present invention includes: a rubb...
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WO/2019/224495A1 |
The present invention relates to a process for preparing a functionalised butadiene, characterised in that it comprises the following steps: (a) homopolymerising butadiene with a catalytic system based on at least one conjugated preformi...
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WO/2019/221179A1 |
The present invention provides: a rubber composition for tire treads for winter, which gives tires excellent in terms of wet performance and performance on ice and snow; and a pneumatic tire for winter obtained using the rubber compositi...
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WO/2019/221184A1 |
The purpose of the present invention is to provide: a rubber composition for a tire tread which, when incorporated in a tire, provides excellent wet performance and rolling performance, and which has excellent processability; and a pneum...
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WO/2019/221180A1 |
Provided are: a rubber composition for tire treads which gives tires excellent in terms of wet performance, rolling performance, and dry driving stability performance; and a pneumatic tire obtained using the rubber composition for tire t...
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WO/2019/221182A1 |
Provided are: a rubber composition for a tire tread which, when incorporated in a tire, provides excellent rolling performance and wear resistance and high elongation at break; and a pneumatic tire using the rubber composition for a tire...
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WO/2019/213948A1 |
Disclosed in the present invention is a butadiene rubber-polyurethane elastomer material having ultra-low rolling resistance and a preparation method therefor. The elastomer material is obtained by polymerization and radiation of a soft ...
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WO/2019/210244A1 |
An algae-elastomer composite including an elastomer matrix; algae; and a mixing additive sufficient to achieve a desired property. The algae can be present in a milled condition having a particle size value of between about 10 and 120 mi...
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WO/2019/205206A1 |
A natural latex composite slurry, prepared from pre-vulcanized natural latex and a heat sensitizing agent which is diluted with cold water. The heat sensitizing agent is selected from one of, or a combination of several of, polyvinyl met...
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WO/2019/207096A1 |
The present invention relates to the use of Ru and Os carbene complexes with a hydroxamic acid (ester) function for the metathesis degradation of nitrile rubber (NBR). The invention further relates to a method for producing hydrogenated ...
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WO/2019/201730A1 |
This invention relates to novel hydrogenation catalyst compositions obtainable from reacting metal-based complex hydrogenation catalysts, preferably (annellated) iminovinyloxy Ru species such as known by the trade names Umicore M41 or Um...
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WO/2019/187650A1 |
One embodiment of the present invention relates to crumbs that include rubber and have a volatile matter content of 5–50 mass% and a surface area to volume ratio of at least 0.04 mm-1.
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WO/2019/189204A1 |
Provided is a method for producing a conjugated diene rubber, comprising: a first step in which a polymerization initiator is used in an inactive solvent to polymerize a monomer, that includes a conjugated diene compound and a vinyl comp...
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WO/2019/177953A1 |
Described herein are cationic polymers having a plurality of quaternary amino groups, methods of making such polymers, and uses of such polymers as ion exchange membranes in electrochemical devices.
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WO/2019/172185A1 |
Provided are: a modified liquid diene polymer which enables the achievement of a crosslinked product of a rubber composition, said crosslinked product having excellent wet grip performance, wear resistance and the like, and in said cross...
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WO/2019/171006A1 |
The invention relates to compositions resulting from mixing at least - one polydiol comb copolymer A1 and - a compound A2 comprising at least two boronic ester functions, wherein the polydiol comb copolymer A1 has a main chain and side c...
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WO/2019/171981A1 |
Provided is a latex that comprises an acid-modified conjugated diene-based polymer, said acid-modified conjugated diene-based polymer being prepared by modifying a conjugated diene-based polymer with an acid group-containing compound, wh...
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WO/2019/163772A1 |
Provided is a crosslinked rubber which is obtained by crosslinking a rubber composition containing a conjugated diene-based rubber and an inorganic filler, and which is characterized in that the additivity parameter is 0.36 or less when ...
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WO/2019/163773A1 |
Provided is a crosslinked rubber which is obtained by crosslinking a rubber composition containing (A) a conjugated diene-based rubber in which the content of aromatic vinyl monomer units is 20 wt% or more, (B) a rubber in which the cont...
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WO/2019/159752A1 |
This method is for reutilization of waste water containing a metal component that is generated in a phase separation process of causing phase separation by mixing an alkaline aqueous solution with a polymer solution obtained by a polymer...
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WO/2019/151127A1 |
Provided is a composition for creating a molded body that can improve work efficiency by effectively suppressing cold flow and that has high strength and outstanding wear resistance. This composition contains a polymer (A) that includes ...
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WO/2019/151126A1 |
Provided is a composition for creating a molded body that can improve work efficiency by effectively suppressing cold flow and that has high strength and outstanding wear resistance. This composition contains a polymer (A) that includes ...
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WO/2019/146526A1 |
Provided is a method for producing a carboxy group-containing hydrogenated nitrile rubber, which comprises: a step wherein a latex of a carboxy group-containing nitrile rubber is obtained by polymerizing, in a dispersion medium, a monome...
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WO/2019/146323A1 |
Provided is a rubber composition with which a rubber product having an excellent balance of crack growth resistance and low pyrogenicity can be produced. The rubber composition is characterized by comprising: a rubber component (a) which...
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WO/2019/138449A1 |
This synthetic polyisoprene copolymer is manufactured by stirring synthetic polyisoprene rubber latex while heated to at least 50˚C, purifying the latex by centrifugation, and graft-copolymerizing the resulting purified synthetic polyis...
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WO/2019/129999A1 |
Process and unit for the continuous preparation of a coagulum of elastomer and filler, said process comprising the following steps: a) providing at least one elastomer latex, b) preparing an aqueous dispersion of filler by mixing a fille...
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WO/2019/132784A1 |
This invention relates to a catalyst composition for a producing process of an unsaturated carboxylic acid salt and its derivatives from carbon dioxide and olefin, wherein the catalyst composition in the present invention has been proved...
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WO/2019/123878A1 |
A method for producing a masterbatch, the method including: a step in which an uncoagulated rubber latex containing a filler is coagulated to obtain a coagulated latex; and a step in which the coagulated latex is dehydrated. The step of ...
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WO/2019/122546A1 |
The invention relates to a rubber composition that is based at least on a reinforcing filler comprising a carbon black and on a natural rubber modified insofar as same contains pendant groups of formula (I) in which the symbols Y1, Y2, Y...
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WO/2019/121153A1 |
The present invention relates to a process for the hydrogenation of the carbon-carbon double bonds in nitrile butadiene rubber which is present in latex form, this means as a suspension of nitrile butadiene rubber particles in an aqueous...
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WO/2019/122750A1 |
The invention concerns a novel family of molecules corresponding to the following formula I: (OR)3Si-(G1-X-G2)m-Si(OR)3 in which - R represent, independently from each other, a C1-C4 alkyl radical, preferably methyl or ethyl, - G1 and G2...
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WO/2019/121643A1 |
Thermoplastic molding composition - having an improved fatigue resistance, balanced mechanical properties and a high ductility for applications demanding high endurance under cyclic loading conditions - comprising 25 to 45 wt.-% ABS graf...
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WO/2019/122547A1 |
The invention relates to a rubber composition that is based at least on a functional elastomer and a reinforcing filler comprising a carbon black, the functional elastomer being a diene elastomer that comprises diene units in the 1,4-cis...
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WO/2019/117256A1 |
A tire rubber composition exhibiting superior low rolling resistance, the composition containing: a rubber component containing natural rubber and a modified conjugated diene polymer comprising one or more types of functional groups comp...
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WO/2019/117007A1 |
The present invention provides a tire including natural rubber as a rubber component, the tire being obtained by including, in at least one member selected from a side reinforcement rubber layer and a bead filler, a vulcanized rubber com...
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WO/2019/115470A1 |
The invention concerns a method for preparing a modified polymer comprising: - a step of anionic polymerisation of at least one diene monomer in the presence of a difunctional polymerisation initiator, in order to obtain a difunctional l...
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WO/2019/110658A1 |
The present invention relates to a process for producing nitrile rubbers having a lower molecular weight by metathesis of a first nitrile rubber in the presence of specific ruthenium complex catalysts which comprise special N-heterocycli...
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WO/2019/102108A1 |
The present invention relates to a process for treating a natural rubber which comprises the following steps which are: providing a wet natural rubber coagulum, compressing the coagulum at a temperature ranging from 130°C to 210°C, sub...
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