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WO/2022/029193A1 |
The present invention relates to a method for the devulcanization of rubber particles, comprising the cultivation of bacteria of the genus Sporoanaerobacter, Desulfovibrio, Desulfurella and/or Desulfomicrobium together with the rubber pa...
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WO/2022/026639A1 |
A curable rubber composition is provided which includes a high molecular weight diene elastomer; an optional carbon black composition; a silica composition; and a silane terminated copolymer different from the high molecular weight diene...
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WO/2022/008427A1 |
The invention provides modified silicas having the following physicochemical parameters: CTABmod < 200 m²/g, BETMP 50-500 m²/g, CTABmod - BETMP < 0 m²/g, carbon content > 0.5% by weight, modemod from CPS particle size determination > ...
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WO/2022/006393A1 |
The present disclosure relates to methods for production of deproteinized or purified natural rubber latex from commercially available crude natural rubber latex that has not been purified or partially purified (low-protein), specificall...
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WO/2022/003279A1 |
The invention relates to a modified elastomer obtained by grafting at least one compound having formula (I) onto at least one unsaturated unit of a starting elastomer, in which: - A is a C6-C14 arenediyl ring, optionally substituted with...
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WO/2022/003278A1 |
The present invention relates to a compound having the following formula (I): wherein: - T is selected from the group consisting of CN+-O-, CH = NOH and CHO; - A is a C6-C14 arenediyl ring, optionally substituted with one or more hydroca...
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WO/2022/003280A1 |
The invention relates to a rubber composition based on at least one diene elastomer, at least one reinforcing filler, at least one crosslinking agent and at least one compound having formula (I), optionally already grafted onto said elas...
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WO/2021/261489A1 |
The rubber particles of the present invention are made of natural rubber and are spherical. The rubber particles preferably have an average particle size of 1-300 μm. A method for producing the rubber particles has a step for dissolving...
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WO/2021/256419A1 |
Provided is a polymer composition that has excellent processability and that is suitable for manufacturing a tire having a high level of superior balance in terms of low fuel consumption, wet-gripping ability, tensile strength, and ozone...
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WO/2021/249593A1 |
The invention relates to a method for the devulcanisation of a vulcanised rubber mixture, comprising the following steps: A) providing or producing a vulcanised rubber mixture; B) reducing the vulcanised rubber mixture into a granulate m...
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WO/2021/241755A1 |
The purpose of the present invention is to provide: a rubber composition which is for a tire and has a rolling resistance that has a low level of temperature dependency, and excellent wet performance; and a tire using the same. A composi...
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WO/2021/241746A1 |
The objective of the present invention is to provide a tire rubber composition with excellent crack growth resistance, groove crack resistance, wear resistance, and chipping resistance, and a tire using the same. The tire rubber composit...
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WO/2021/230279A1 |
Provided are a modified liquid diene-based rubber obtained from a crosslinked product having excellent adhesiveness evaluated in terms of shear adhesive force, a rubber composition containing the modified liquid diene-based rubber, and a...
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WO/2021/224568A1 |
The invention relates to a method for processing natural rubber, which comprises the introduction of a mixture of a wet coagulum of natural rubber and a viscosity stabilizer into a screw extruder that is equipped with a sheath, in which ...
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WO/2021/218085A1 |
Disclosed is a preparation method for a butyl rubber base glue solution for halogenation reaction. The method comprises the following steps: introducing butyl rubber slurry, a solvent, a terminator, and a diluent into a first mixer; intr...
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WO/2021/216371A1 |
A brominated copolymer of at least one conjugated diene and at least one styrenic monomer is prepared such that at least 45 percent, but no more than 70 percent, of the non-aromatic double bonds In the copolymer are brominated. The produ...
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WO/2021/215095A1 |
A rubber composition containing 100 parts by mass of sulfur-modified chloroprene rubber, 25-55 parts by mass of carbon black having an average particle size of 70 nm or lower, and more than 0 parts by mass to no more than 15 parts by mas...
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WO/2021/205932A1 |
Provided is a conjugated-diene-based polymer at least including units of a conjugated diene monomer, wherein high-molecular-weight components have a shrinkage factor of 0.4-0.8 and have a degree of adsorption onto silica of 75% or less a...
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WO/2021/203207A1 |
Heating of rubber products during processing produces odours which may be abated by commingling the rubber product with fabric softener. The fabric softener may be commingled with the rubber product via a dip tank filled with fabric soft...
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WO/2021/205753A1 |
This rubber composition contains 100 parts by mass of a sulfur-modified chloroprene rubber, 25-55 parts by mass pf carbon black having an average particle diameter of 70 nm or less, and more than 0 parts by mass but not more than 15 part...
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WO/2021/206068A1 |
The hydrogenated conjugated diene polymer of the present invention has a branching number (Bn) by a GPC-light scattering with viscosity detector measurement method of 2.5 or higher and a hydrogenation rate of structural units derived fro...
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WO/2021/201289A1 |
The present invention provides a conjugated diene polymer that has excellent workability when vulcanized and the vulcanizate of which has excellent abrasion resistance and low hysteresis loss. The present invention relates to a conjugate...
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WO/2021/190619A1 |
Disclosed is a continuous method for preparing an elastomer composite material. The method comprises the following steps: providing a continuous flow of water-based elastomer latex; providing a continuous flow of water-based filler slurr...
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WO/2021/191250A1 |
An end-group functionalized polymer having one or more end groups according to the general formula (I) wherein R1 represents a saturated or unsaturated, linear or branched, preferably aliphatic, hydrocarbon group having from 1 to 20 carb...
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WO/2021/193772A1 |
An objective of the present invention is to provide a thermoplastic elastomer that has superior transparency, etc., while also having high levels of mechanical properties such as heat resistance, strength, and flexibility. The thermopl...
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WO/2021/184703A1 |
Disclosed is a processing method for creaming a natural latex, characterized by adding a surfactant, a pH regulator and deionized water to a natural latex, then adding a preservative and a creaming agent, mixing same and leaving same to ...
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WO/2021/171952A1 |
The present invention provides a method for producing a nitrile rubber, wherein a nitrile rubber latex and a coagulant are continuously supplied to an extruder, in which a screw is arranged within a barrel in a rotatable manner, so that ...
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WO/2021/166725A1 |
Provided is a latex composition production method comprising: a preparation step for preparing a conjugated diene-based polymer latex, a processing step for adding a sulfur-based vulcanizing agent and a xanthogen compound to the conjugat...
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WO/2021/154113A1 |
The invention relates to the production of synthetic rubbers for use in manufacturing tyres and tyre components, golf balls and industrial rubber products. More particularly, the present invention relates to methods for producing a modif...
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WO/2021/154112A1 |
The invention relates to the production of synthetic rubbers for use in manufacturing tyres and tyre components, golf balls and industrial rubber products. More particularly, the present invention relates to a method for producing a modi...
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WO/2021/153415A1 |
The present invention provides: a modified natural rubber obtained from a solid raw material, e.g., cup lumps, and, despite this, excellent in terms of odor inhibition and deterioration resistance; and a rubber composition and a tire eac...
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WO/2021/138417A1 |
A vulcanizate prepared by a method comprising introducing an elastomer, a filler, and a polar polysulfide crosslinking agent to form a masterbatch and introducing a curative to the masterbatch to form a vulcanizable composition. Vulcaniz...
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WO/2021/132286A1 |
Provided is a hydrogenated conjugated diene graft polymer that has superior affinity to polar materials and is highly stable. This hydrogenated conjugated diene graft polymer comprises a side chain (b) which is formed from a polymer co...
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WO/2021/132285A1 |
Provided are: a new viscosity index improver having higher shear stability; and an oil composition including the viscosity index improver. The viscosity index improver comprises a conjugated diene-based graft polymer, wherein in the co...
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WO/2021/133188A1 |
A composition for stabilizing latex consists of ingredients A-G in the weight ratio А: B: C: D: E: F: G = (18.4-65.2): (0.2-0.6): (0.2-0.6): (0.8-2.4): (0.2-0.6): (0.2-0.6): (80.0-30.0), the total amount of the components being 100 part...
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WO/2021/125259A1 |
Provided is a polymer composition suitable for producing a crosslinked polymer (tire) which has a highly excellent balance between fuel-saving properties and durability. This polymer composition comprises: (A) a conjugated-diene-based ...
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WO/2021/125299A1 |
The purpose of the present invention is to provide a rubber composition that can have both a high level of reinforcement properties and low-loss properties. The rubber composition according to the present invention comprises a rubber c...
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WO/2021/124640A1 |
A tire having excellent wet gripping and low rolling resistance is provided. The tire is obtained using a rubber composition comprising: a rubber ingredient comprising a rubber having an isoprene skeleton and an aminoalkoxysilane-modifie...
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WO/2021/125300A1 |
A purpose of the present invention is to provide a rubber composition which can attain both reinforcing properties and low-loss characteristics on a high level. This rubber composition comprises a rubber ingredient, carbon black, and s...
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WO/2021/115677A1 |
The invention relates to a sulfur-cross-linkable rubber blend and to a pneumatic vehicle tire that comprises at least one rubber component consisting of the sulfur-vulcanized rubber blend. The rubber blend contains: 10 to 60 phr (parts b...
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WO/2021/116588A1 |
The invention relates to a composite made from at least one reinforcing element, preferably made from metal, and a rubber composition made from at least a. an epoxidised diene elastomer, b. a reinforcing filler, and c. a system for cross...
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WO/2021/116113A1 |
The present invention relates to a method for separating polyisoprene and/or other apolar valuable substances from vegetable feedstock, with a first pretreatment (100) of the vegetable feedstock; a percussive, cutting and/or rubbing mech...
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WO/2021/112167A1 |
Provided is a polymer composition manufacturing method that is suited to the manufacture of a crosslinked polymer (tire) having satisfactory workability, satisfactory filler dispersion if a filler is included therein, and excellent low h...
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WO/2021/111082A1 |
The invention relates to a method for treating a natural rubber which comprises the extrusion of a mixture of a wet natural rubber coagulum and a peptizer in an endless screw machine equipped with a barrel, in which the screw turns, and ...
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WO/2021/106351A1 |
The purpose of the present invention is to provide a rubber composition that achieves outstandingly low heat generation without other reductions in performance. In order to achieve this purpose, the present invention is a rubber compos...
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WO/2021/106931A1 |
The present invention addresses the problem of providing a novel resin composition for metal-clad laminates, said resin composition enabling the production of a metal-clad laminate which has excellent adhesion to a metal foil, excellent ...
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WO/2021/106337A1 |
The purpose of the present invention is to provide a rubber composition that obtains excellent low heat generation properties while maintaining good steering stability when the rubber composition is applied to a tire. To achieve the pu...
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WO/2021/106338A1 |
A purpose of the present invention is to provide a rubber composition which renders excellent low-heat-buildup properties possible. This rubber composition comprises a rubber ingredient, a filler including silica, and a silane coupling...
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WO/2021/099717A1 |
The invention relates to a rubber composition having an improved performance trade-off between roll resistance, grip on snow-covered terrain, grip on wet surfaces and wear resistance. Said composition is made from an elastomer matrix com...
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WO/2021/097455A2 |
A vulcanizate is provided that includes a crosslinked network of elastomeric polymer having hydrogen bonds and covalent bonds. A method for preparing a functionalized elastomeric polymer and a method for preparing the vulcanizate are als...
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