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WO/2022/224469A1 |
Provided are a phenylboronic acid compound that can impart to a polymer the ability to reversibly change physical properties when exposed to water, a polymer that exhibits reversible changes in physical properties when exposed to water, ...
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WO/2022/210706A1 |
The present invention addresses the problem of providing a novel method capable of efficiently purifying polymer fine particles from a latex at a reduced environmental burden. Provided is a method for producing purified polymer fine part...
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WO/2022/198281A1 |
Disclosed herein is a method for co-pyrolysis of a polyolefin and a rubber containing material comprising: operating at least a pyrolysis stage of a pyrolysis reactor at an operating temperature at or above the temperature at which pyrol...
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WO/2022/195977A1 |
Provided is a rubber composition with which excellent on-ice performance and maneuvering stability can be realized when the composition is applied to a tire. To solve this problem, the present invention is characterized by comprising: ...
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WO/2022/195978A1 |
The present invention addresses the problem of providing a rubber composition capable of improving the low-loss characteristics and steering stability of tires. The rubber composition comprises a rubber component, a hydrogenated resin, a...
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WO/2022/197175A1 |
The present invention relates to a polymer latex composition, to a method for the preparation of such a polymer latex composition, to the use of said polymer latex composition for the production of elastomeric articles, to a compounded l...
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WO/2022/186778A1 |
Disclosed herein is a polymeric article comprises an elastomeric layer comprising cured synthetic polyisoprene particles that comprise a rare earth catalysed polyisoprene. The polyisoprene particles may comprise sulfur crosslinks and/or ...
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WO/2022/181389A1 |
Provided is a method for producing a modified conjugated diene polymer latex, the method comprising: a modification step for bringing a conjugated diene polymer into contact with a radical generating agent to obtain a modified conjugated...
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WO/2022/172137A1 |
The present invention relates to a method for preparing pre-mixtures of natural rubber comprising stabilising and concentrating field latex and subsequently mixing same with dispersions of strengthening loads and emulsions of oils of min...
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WO/2022/172925A1 |
Provided are: a method for producing, at a high yield, a hydrogenated conjugated-diene modified polymer that has a boron-containing functional group suitable for property modification of polar materials and property modification of vario...
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WO/2022/163152A1 |
A rubber polymer, wherein the total value of the content C1 of a structure represented by formula (1) and the content C2 of a structure represented by formula (2) is 40-60 mol%, inclusive, the content C3 of a structure represented by for...
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WO/2022/162293A1 |
The invention relates to a resin-extended modified diene rubber obtainable by a process involving at least: an anionic polymerization step, in an organic solvent, of at least one conjugated diene monomer having 4 to 12 carbon atoms in th...
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WO/2022/162292A1 |
The invention relates to a resin-extended modified diene rubber based on a plasticizing resin and a diene rubber having a pre-modification number-average molar mass Mn1 and a post-modification number-average molar mass Mn2, Mn1 and Mn2 b...
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WO/2022/159042A1 |
The present invention relates to a method for preparation of natural rubber with constant viscosity, a method for preparing block rubber with constant viscosity, and a method for preparing sheet rubber with constant viscosity. A mixture ...
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WO/2022/155197A1 |
A process for preparing a rubber vulcanizate, the process comprising (i) providing a vulcanizable composition of matter including a sulfur-based curative and a eutectic composition blend, where the eutectic composition blend includes a e...
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WO/2022/149471A1 |
This rubber composition for crosslinking contains: (A) a rubber-like polymer, which has an iodine value of 10 to 250 (g/100 g), has an ethylene structure of in an amount of at least 3 mass%, has a vinyl aromatic monomer block in an amoun...
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WO/2022/146440A1 |
The subject matter of the present invention relates to rubber mix having increased thermal conductivity and increased durability comprised of tin functionalized elastomer and an acetylene black reinforcing filler. The resulting rubber ha...
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WO/2022/136093A1 |
The invention relates to a system for analyzing material systems by which a product is achieved which is highly viscous or solid at ambient conditions, the system (1) comprising a processing unit (3) for processing the viscous medium and...
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WO/2022/137099A1 |
The present invention relates to compositions for elastomeric compounds for tyres, in particular for tyre treads, comprising particular reversible cross-linking agents, tyre components and tyres for vehicle wheels which comprise them. Th...
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WO/2022/138535A1 |
The present invention addresses the problem of providing: a diene-based polymer having excellent adsorptive properties onto silica; and a method for producing the diene-based polymer. A modified liquid diene-based polymer according to th...
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WO/2022/138473A1 |
A hydrogenated product of a block copolymer, comprising a polymeric block (A) having structural units derived from an aromatic vinyl compound and a polymeric block (B) having structural units derived from a conjugated diene compound, whe...
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WO/2022/138896A1 |
This all solid state battery binder contains a conjugated diene-based polymer that includes a polymer block having a vinyl aromatic monomer unit as a main component, and that has a weight average molecular weight of 40,000-2,000,000.
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WO/2022/133476A1 |
In various embodiments, methods for extracting various constituents from Parthenium argentatum resin are disclosed. The methods begin with a nonpolar resin solution that is manipulated by polar solvent and water additions to precipitate ...
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WO/2022/133478A1 |
Disclosed herein are methods for improving the rolling resistance of a tire rubber composition by providing a rubber composition including a rubber component which includes a majority by weight of guayule rubber where the guayule rubber ...
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WO/2022/130702A1 |
A rubber material including a sulfur-modified chloroprene polymer, wherein the content X (mass%) of the sulfur as a constituent component of the sulfur-modified chloroprene polymer and the total content Y (mass%) of a conjugate resin aci...
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WO/2022/123939A1 |
This hydrogenated diene polymer has a degree of branching (Bn) of at least 1.5 based on GPC with viscometer / light scattering, and, defining a, b, c and d as the constituent ratios (mol%) of the constituent units represented by formula ...
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WO/2022/124147A1 |
[Problem] To provide a rubber composition that can reduce rolling resistance while improving wet performance of a tire. [Solution] This rubber composition is characterized in that: said rubber composition comprises a rubber component, a ...
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WO/2022/124340A1 |
The present invention provides: a pneumatic tire having an improved balance between dry handling stability and low rolling resistance while maintaining outstanding on-ice performance and wet grip performance; and a rubber composition by ...
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WO/2022/124241A1 |
The present invention addresses the problem of providing a rubber composition having low heat generation and superior wet-surface performance and wear resistance. In order to resolve this problem, the present invention is characterized...
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WO/2022/107693A1 |
A chloroprene polymer latex suitable for use in an aqueous adhesive and which constitutes an aqueous adhesive that has excellent initial bonding strength and that in particular has excellent bonding strength in a moist state. This chloro...
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WO/2022/099883A1 |
Provided are a low-protein natural rubber and method for preparation thereof. The preparation method comprises the following steps: providing a dispersion containing a rubber antioxidant; mixing deproteinized natural latex with the dispe...
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WO/2022/102304A1 |
The present invention provides a composition for underlayer film formation demonstrating excellent alignment orientation of phase-separated structures via self-assembly and excellent adsorptivity to a metal substrate and substrate corros...
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WO/2022/096835A1 |
The invention concerns a rubber composition based on an elastomer matrix containing 25 to 95 parts per hundred parts by weight of rubber, phr, of a butadiene- and styrene-based copolymer having a glass transition temperature lower than -...
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WO/2022/091982A1 |
Provided is a rubber composition that includes: 10-90 parts by mass, inclusive, of a rubbery polymer in which the iodine value is 10-200 (g/100g), the content of ethylene structures is 3 mass% or more, the content of aromatic vinyl monom...
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WO/2022/090892A1 |
Process for preparation of a styrene-butadiene rubber comprising micronized recycled rubber powder, said process comprising the following steps: (a) preparing a suspension comprising micronized recycled rubber powder, water and at least ...
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WO/2022/091599A1 |
A rubber foam composition which contains a sulfur-modified chloroprene rubber and a chemical foaming agent, wherein: the sulfur-modified chloroprene rubber has a functional group A that is represented by a specific general formula (A) an...
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WO/2022/085333A1 |
Provided is a foam rubber composition containing a sulfur-modified chloroprene rubber and a chemical foaming agent, wherein the sulfur-modified chloroprene rubber has a functional group A represented by the specified general formula (A) ...
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WO/2022/084213A1 |
A process for making a functionalized diene polymer terminated by a functional end group selected from thiol containing end groups, thiolate containing end groups and a combination thereof, comprising (i) preparing a diene polymer by a p...
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WO/2022/080450A1 |
A rubber bale according to the present invention comprising a modified conjugated-diene-based polymer and a surfactant having an HLB of 9.0 or less. The rubber bale is produced by a method including: a mixing step in which a polymer solu...
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WO/2022/080475A1 |
Provided are: a liquid hydrocarbon production method for obtaining a rubber composition that contains a liquid hydrocarbon by heating a crosslinked rubber at 300°C or less in a reaction solvent that has a boiling point of 230°C or less...
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WO/2022/073823A1 |
The present invention relates to a process for preparing hydroxy-functionalized polydiene, preferably polybutadiene or polyisoprene, by reacting monomer diene with hydrogen peroxide in the presence of a hydrophilic organic solvent, where...
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WO/2022/064031A1 |
A curable, partially hydrogenated butadiene polymer having a hydrogenation degree from 0.5 to 55% and having a total amount of butadiene-derived vinyl groups according to the general formula (I) and trans groups of the general formula (I...
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WO/2022/063623A1 |
The present invention relates to a process for obtaining non-aging natural rubber, a rubber composition containing the natural rubber thereby obtained, and the use of the composition for producing consumer goods.
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WO/2022/065206A1 |
The present invention addresses the problem of providing an adhesive composition for rubber/resin bonding which is reduced in environmental burden and can make adhesion between a resin and a coating rubber composition satisfactory. The a...
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WO/2022/060084A1 |
The present invention relates to a method for halogenating an isobutene-isoprene copolymer. By means of the method of the present invention, halogenated hydrogen, which is a by-product, can be quickly regenerated into a halogenating agen...
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WO/2022/049962A1 |
The present invention addresses the problem of providing a method whereby crosslinks of a polymer can be easily eliminated. A solution to the problem is a method for cleaving coordinate bonds of a complexed polymer which comprises at lea...
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WO/2022/049961A1 |
The problem addressed by the present invention is to provide a polymer that performs as well as a new product. The solution to said problem is a complex polymer containing a polymer main chain containing conjugated diene units and/or ole...
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WO/2022/048133A1 |
A post-treatment method for a polyisoprene latex, the method involving filtering a diluted polyisoprene latex by means of a ceramic membrane to obtain a pre-concentrated polyisoprene latex; adding sodium carboxymethylcellulose to the pre...
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WO/2022/045344A1 |
The preset invention provides: an emulsion composition which is able to be produced by an easy method in comparison to conventional ones, while exhibiting excellent stability of an emulsion; and a method for producing this emulsion compo...
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WO/2022/028923A1 |
A body ply skim rubber compound comprising a cross-linkable unsaturated chain polymeric base comprising polyepihalohydrin rubber, a filler material, a vulcanization system and a quantity of between 0.25 and 2.50 phr of a silane compound,...
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