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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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WO/2019/102126A1 |
The present invention relates to a diene polymer comprising at least one specific epoxide pendent group, one of the carbon atoms of which both has an attachment to the polymer chain and is a trisubstituted carbon, and the other carbon at...
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WO/2019/102128A1 |
The present invention concerns a 1,3-dipolar compound comprising an epoxide group, the epoxide group being a 3-membered cyclic ether in which a first member is a carbon atom having an attachment to the dipole of the 1,3-dipolar compound ...
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WO/2019/102107A1 |
The invention relates to a method for processing natural rubber, comprising the following steps: depositing a coagulum of damp natural rubber; compressing the coagulum at at temperature of between 130°C à 210°C; and subjecting the com...
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WO/2019/103457A1 |
The present invention relates to a rubber composition comprising a conjugated diene polymer and having excellent tensile characteristics and viscoelastic characteristics. The rubber composition according to the present invention can sele...
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WO/2019/102109A1 |
The present invention concerns a cup lump natural rubber free of impurities larger than 0.5 mm and having a plasticity retention index greater than 80. Using such a natural rubber in a semi-finished product manufacturing line for product...
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WO/2019/097019A1 |
The present invention concerns new precursors of recyclable cross-linked diene elastomers comprising at least one furanyl group along the chain and comprising chain-end units with furanyl groups, their use in the preparation of said recy...
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WO/2019/096870A1 |
The invention describes a composition containing a) a functionalized polymer (10) that comprises at least one polymer segment (13) and at least two polymer aggregating segments (11,12) capable of forming non-covalent bonds based on a sup...
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WO/2019/096365A1 |
The invention describes a composition containing a) a functionalized polymer (10) that comprises at least one polymer segment (13) and at least two polymer aggregating segments (11, 12) capable of forming non-covalent bonds based on a su...
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WO/2019/093248A1 |
Provided is a method for manufacturing a hydrogenated nitrile rubber having an iodine value not more than 120, the method comprising: a first coagulation step for adding, as a coagulant, a non-halogen atom-containing metallic salt to a l...
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WO/2019/093512A1 |
The purpose of the present invention is to provide: a polymer which has excellent resistance to oxidation degradation; a method for producing this polymer; and a rubber composition which has excellent toughness and excellent resistance t...
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WO/2019/086605A1 |
The present invention relates to a polymer blend comprising, (A) 65 to 96 percent by weight of a first polymer; (B) 4 to 35 percent by weight of a second polymer, wherein the second polymer is obtainable by (i) anionic polymerization in ...
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WO/2019/089788A1 |
A process for preparing a rubber vulcanizate, the process comprising (i) providing a vulcanizable composition of matter including a sulfur-based curative, zinc oxide, and a eutectic solvent; and (ii) heating the vulcanizable composition ...
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WO/2019/082895A1 |
The purpose of the present invention is to provide a rubber composition having excellent processability and silica dispersibility, a modified diene-based polymer, and a method for producing the modified diene-based polymer. The present i...
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WO/2019/073890A1 |
Provided is a production method for a polymer latex. The production method comprises: a preparation step for reducing the weight average molecular weight of a conjugated diene polymer (A) by 20–70 mass% and thereby obtaining an organic...
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WO/2019/073041A1 |
The invention relates to a process for the production of an elastomer agglomerate composition, comprising the steps of: (a) providing a slurry comprising elastomeric particles in water, wherein the slurry has a temperature of 40 to 80 º...
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WO/2019/073042A1 |
The invention relates to a process for the production of an elastomer agglomerate composition, comprising: forcing a slurry through an aperture in a valve assembly (1) to obtain the elastomer agglomerate composition; wherein the valve as...
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WO/2019/069904A1 |
Provided are: a modified liquid diene-based rubber that exhibits superior pumpability, anti-dripping properties, and reactivity, that also exhibits a superior rubber elasticity in an obtained cured product, and that is suitably employed ...
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WO/2019/063944A1 |
1) A hydrocarbon copolymer comprising two end groups preceded by an ether function, and selected from a 2-oxo-1,3-dioxolan-4-yl (or cyclocarbonate), a dithiocyclocarbonate or a 2-oxo-1,3-dioxolen-4-yl, the main chain of which comprises u...
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WO/2019/065400A1 |
Provided is a method for producing a nitrile group-containing copolymer rubber by copolymerizing a monomer mixture containing an α,β-ethylenic unsaturated nitrile monomer and a conjugated diene monomer, wherein the Mooney viscosity (ML...
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WO/2019/066396A2 |
The present invention relates to a rubber composition which has excellent tensile properties and viscoelastic properties and comprises a modified conjugated diene-based polymer. Accordingly, the rubber composition can select and include ...
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WO/2019/063945A1 |
1) A hydrocarbon copolymer comprising two end groups preceded by an ester function, and selected from a 2-oxo-1,3-dioxolan-4-yl (or cyclocarbonate), a dithiocyclocarbonate, an exo-vinylene cyclocarbonate, or a 2-oxo-1,3-dioxolen-4-yl, th...
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WO/2019/045062A1 |
Provided is a pneumatic tire that achieves both wet performance when in contact with low-temperature road surfaces and low rolling resistance, said pneumatic tire characterized by comprising: a tread obtained from a rubber composition co...
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WO/2019/045053A1 |
Provided are a modified conjugated diene polymer, a rubber composition, and a tire, having excellent low-loss properties and durability. Further provided is a method for manufacturing a modified conjugated diene polymer, the method enabl...
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WO/2019/020417A1 |
The present invention relates to a method for the preparation of a synthetic rubber blend, wherein the blend comprises a high molecular weight polydiene (A) and a low molecular weight polydiene (B). The present invention further relates ...
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WO/2019/020948A1 |
The invention relates to a resin-extended elastomer, the elastomer of which is a synthetic diene elastomer having a number-average molar mass greater than or equal to 200,000 g/mol and the resin of which is a plasticizing hydrocarbon res...
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WO/2019/017067A1 |
The present invention provides: a rubber composition for a tread, the rubber composition having excellent tensile properties and excellent wet grip performance at the initial stage of driving; and a pneumatic tire using the rubber compos...
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WO/2019/016152A1 |
A star-branched diene rubber, the process for making such a rubber and its use in high impact polystyrene (HIPS) and acrylonitrile butadiene styrene (ABS) polymers.
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WO/2019/012009A1 |
The present invention relates to a method for the end functionalisation of trans-1,4 stereoregular polydiene chains obtained by the coordination catalysis polymerisation of at least one conjugated diene monomer. It also relates to a poly...
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WO/2019/007883A1 |
The invention relates to a rubber composition on the basis of at least one diene elastomer, at least one reinforcing filler, at least one chemical cross-linking agent, and at least one compound, optionally already grafted onto the elasto...
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WO/2019/007884A1 |
The invention relates to a polymer comprising one or more diene units and carrying, along the main polymer chain, one or more pendant groups of the following formula (I): (I), wherein: - PAr is a polyaromatic group comprising at least tw...
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WO/2019/002758A1 |
The present invention concerns a rubber composition made from at least one modified diene elastomer and a reinforcing filler, which modified diene elastomer is the reaction product of a starting diene elastomer and an aromatic nitrile ox...
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WO/2019/002756A1 |
The present invention relates to a diene rubber bearing pendant imidazole cycles randomly distributed along the diene rubber chain, the imidazole cycles representing between 4 and 15 moles for each 100 moles of monomer units forming the ...
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WO/2018/237111A1 |
An object comprising: a blend of (i) a phenol-containing polymer and (ii) a nitrile butadiene rubber; wherein the phenol-containing polymer is present in an amount of at least 5 wt% and up to about 95 wt% by total weight of components (i...
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WO/2018/230200A1 |
The present invention addresses the problem of providing a catalyst composition with which a modified conjugated diene polymer having a modified main chain can be produced using a simplified method. This catalyst composition is character...
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WO/2018/224773A1 |
The present invention relates to a method for decontaminating natural rubber by filtering a wet coagulum of natural rubber. The method comprises passing a natural rubber coagulum having a water content greater than 10% through a filter, ...
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WO/2018/226396A1 |
According to an aspect of the invention, a curable rubber composition is provided which includes a high molecular weight diene elastomer; optionally, a carbon black composition; a silica composition; and a farnesene polymer comprising fa...
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WO/2018/220618A1 |
The embodiments of the invention relate to recycled rubber masterbatch which exhibits a sufficient level of green strength and tack. The devulcanization of thermoset rubber is provided by reactive mixing of pulverized rubber, thermoplast...
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WO/2018/215453A1 |
1) Hydrocarbon copolymer P comprising 2 alkoxysilane end groups F1 and F2 of formulae: - F1: (R'O)3-tRtSi-(CH2)g1- and F2: -(CH2)d1-SiRt(OR')3-t; or F1: (R'O)3-tRtSi-R"-O(O)C-(CH2)g2- and F2 : -(CH2)d2-C(O)O-R"-SiRt(OR')3-t; wherein t is...
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WO/2018/215451A1 |
1) Hydrocarbon copolymer P comprising 2 alkoxysilane end groups F1 et F2 of formulae: - F1 : (R'O)3-tRtSi-R"-NH-C(O)O-(CH2)g1- and F2 : -(CH2)d1—OC(O)-NH-R"-SiRtOR')3-t; or - F1 : (R'O)3-tRtSi-R"-NR'''-C(O)-NH-(CH2)g1- and F2 : -(CH2)d...
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WO/2018/211440A1 |
A packaging or building material comprising a coated cellulosic or plastic sheet, web, or film substrate at least partially coated with a cured coating comprising an elastomer matrix having nanoparticles of silicon dioxide dispersed with...
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WO/2018/207762A1 |
The purpose of the present invention is to provide: a compounding agent which, when used in a rubber composition containing a reinforcing filler, exhibits excellent dispersibility, workability, ductility, low thermogenic properties, and ...
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WO/2018/203558A1 |
The purpose of the present invention is to provide a two-wheel vehicle tire which has both the wear resistance and the wet grip performance of a tread. The two-wheel vehicle tire according to the present invention is provided with: a pai...
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WO/2018/193217A1 |
The present invention relates to: - copolymers made up of butadiene units (B), vinyltetrazole units (VT), acrylonitrile units (AN) and R-terminal groups that are not able to react with azide functions; in which the vinyltetrazole units (...
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WO/2018/189475A1 |
The invention relates to a modified diene elastomer comprising, within the main chain of the elastomer, a silicon atom substituted on the one hand by at least one alkoxy group, optionally partially or completely hydrolysed to hydroxyl, a...
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WO/2018/191185A1 |
Polar silane linkers are provided that attach to resins to form silane-functionalized resins. The functionalized resins can be bound to hydroxyl groups on the surface of silica particles to improve the dispersibility of the silica partic...
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WO/2018/184173A1 |
A vulcanized rubber article. A preparing method for the vulcanized rubber article comprises the following steps: providing an unvulcanized rubber layer and hot melt adhesive powder, wherein the hot melt adhesive powder comprises thermopl...
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WO/2018/186367A1 |
The present invention addresses the problem of providing a rubber composition that achieves, at a high degree, tire wet-performance, low-rolling resistance, and steering stability on dry road surfaces. Provided, as the means for solving ...
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WO/2018/178282A1 |
Recyclable cross-linked diene elastomers comprising furanyl groups and precursors thereof The present invention concerns new precursors of recyclable cross-linked diene elastomers comprising chain-end units with furanyl groups, their use...
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WO/2018/181199A1 |
A device for detecting a water-containing substance, for detecting a water-containing substance in a rubbery polymer, the device for detecting a water-containing substance having a conveyance unit for conveying a rubbery polymer, and a d...
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