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WO/2020/126496A1 |
The present invention is directed to novel triblock copolymers, their preparation and their use as viscosity index improvers in lubricating oil compositions.
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WO/2020/122108A1 |
The present invention provides: a polybutadiene composition which enables the achievement of a rubber material that has excellent crack propagation resistance; and a method for producing this polybutadiene composition. According to the p...
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WO/2020/106173A1 |
The invention relates to a polymer composition having a low content of vinyl groups, used in rubber mixtures for the production of tires, in particular truck tires. The composition comprises butadiene-styrene polymerizate and polybuta...
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WO/2020/099079A1 |
The invention relates to a process for preparing random copolymers comprising monomers derived from conjugated dienes and C7-C24 alkyl(meth)acrylates by free radical solution polymerization.
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WO/2020/074830A1 |
The present invention relates to a rubber component comprising a coating composition and at least one reinforcement element embedded in the coating composition, the coating composition being a rubber composition based on a modified polyi...
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WO/2020/054706A1 |
This vinyl cis-polybutadiene rubber is characterized by containing 35-99 mass% of 1,2-polybutadiene having a melting point of 150-195°C.
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WO/2020/043268A1 |
The invention relates to a composition containing (i) a cross-linkable synthetic poly(cis-1,4-diene) that has a cis content of at least 95% and a functional moiety on the end, and (ii) an amphiphilic compound.
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WO/2019/225824A1 |
The present invention relates to a modified conjugated diene-based polymer having desirable processability and excellent tensile strength and viscoelastic characteristics, and to a rubber composition comprising same. The modified conjuga...
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WO/2019/205309A1 |
A pyridine imine iron or cobalt metal complex catalyst, a preparation method therefor, and an application thereof, relating to the field of chemical synthesis. For the existing problem of the lack of a highly-efficient conjugated diene p...
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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/2019/150951A1 |
The purpose of the present invention provides: heat-expandable microspheres which give hollow resin particles that can be inhibited from suffering shell breakage or deformations, e.g., a dent, under a high pressure load; and a use of the...
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WO/2019/142108A1 |
Process for the preparation of polyisoprene with a mainly alternating cis-1,4-alt-3,4 structure comprising polymerizing isoprene in the presence of a catalytic system comprising: (a) at least one pyridyl iron complex having general formu...
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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/2019/110915A1 |
The invention relates to a continuous method for producing a diene elastomer, comprising a polymerisation reaction of a catalyst system with at least one conjugated diene monomer to be polymerised in solution in a solvent, said catalyst ...
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WO/2019/108969A1 |
Disclosed are to metallocyclopropene complexes, methods of making same, methods for ring expansion metathesis polymerization, and polymers prepared by the methods for ring expansion metathesis polymerization.
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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/2019/064253A1 |
Bis-imine titanium complex having general formula (I): wherein: R1 and R2, mutually identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated, C1-C20 alkyl groups, preferably C1-C1...
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WO/2019/036636A1 |
Aspects of the present invention relate to polymers, and particularly to farnesene polymers functionalized with one or more oxirane groups and, optionally, one or more hydroxyl groups. According to one aspect of the invention, provided i...
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WO/2019/021195A1 |
Process for the preparation of 1,2 syndiotactic polybutadiene comprising polymerizing 1,3-butadiene in the presence of a catalytic system comprising: at least one cobalt complex with a phosphine ligand having general formula (I) : wherei...
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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/2019/012529A1 |
Provided are compositions-of-matter comprising a continuous elastomeric matrix that is structurally-templated by an external phase of a high internal phase emulsion (HIPE), and a liquid dispersed and entrapped in the elastomeric matrix i...
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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/2019/006255A1 |
The present invention relates to recombinant host cells polynucleotides and polypeptides, methods for their production, and methods for their use in production of hydrocarbons. Disclosed herein are methods, compositions and hosts for syn...
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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/2018/134757A1 |
Oxo-nitrogenated iron complex having general formula (I): in which: R1 and R2, identical or different, represent a hydrogen atom; or they are selected from linear or branched, optionally halogenated C1 - C20, preferably C1-C15, alkyl gro...
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WO/2018/115165A1 |
The invention concerns a method for the continuous synthesis of a diene elastomer by means of n reactors r1 to rn, equipped with an internal stirring system, that are assumed to be perfectly stirred, arranged in series, n varying from 2 ...
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WO/2018/115169A1 |
The invention relates to a method for continuous synthesis of a diene elastomer by means of n reactors r1 to rn, provided with an internal stirring system, assumed to be perfectly stirred, arranged in series, n ranging from 2 to 15, pref...
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WO/2018/109312A1 |
The present invention relates to a tyre comprising a rubber composition based on at least one reinforcing filler, a polymer comprising conjugated diene functions, and a system for crosslinking said polymer comprising a poly-dienophile of...
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WO/2018/111337A1 |
The present disclosure is directed to resins and to polymers, copolymers, and blends formed therefrom.
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WO/2018/109337A1 |
Method for synthesis of modified diene polymers comprising the steps of anionic polymerisation of at least one diene monomer in the presence of a polymerisation initiator, and of modifying the living polymer obtained in the preceding ste...
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WO/2018/073798A1 |
Process for the preparation of syndiotactic 1,2-polybutadiene comprising polymerising 1,3-butadiene in the presence of a catalytic system comprising: - at least one pyridyl iron complex having the general formula (I), in which: - R1 repr...
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WO/2018/073795A1 |
A process for preparing conjugated diene (co)polymers comprising polymerizing at least one conjugated diene in the presence of a catalytic system comprising: (a) at least one pyridyl iron (III) complex having general formula (I) or (II):...
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WO/2018/052709A1 |
A macromonomer precursor is provided that includes a polymeric chain derived from farnesene and a single functional terminal end. The functional terminal end may include a hydroxyl group, an amino group, an epoxy group, an isocyanato gro...
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WO/2018/045291A1 |
A method of preparing a silane-functionalized polymer, the method comprising: preparing a polymerization system including a cis-l,4-polydiene by introducing a lanthanide-based catalyst and a conjugated diene monomer; and adding a hydrosi...
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WO/2018/022994A1 |
A method for producing a polydiene, the method comprising the step of: polymerizing conjugated diene monomer with a lanthanide-based catalyst system in the presence of a hydrocarbyloxysilane.
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WO/2018/016987A1 |
Present invention relates to a method for producing a rubber by an anionic solution (co)polymerization of a conjugated diene and/or a vinyl aromatic compound in an organic solvent in the presence of an organolithium N,N-disubstituted ami...
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WO/2018/016985A1 |
Present invention relates to a method for producing a branched modified rubber, comprising an anionic (co)polymerization of a conjugated diene and/or a vinyl aromatic compound in the presence of an initiator and a polyfunctional modifyin...
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WO/2018/016986A1 |
Instant invention relates to a method of producing a rubber by anionic (co)polymerization of diene and/or vinyl aromatic compound in the organic solvent medium in the presence of an electron donor and a lithium organozincate of the gener...
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WO/2017/208128A1 |
An oxo-nitrogenated iron complex having general formula (I) or (II) wherein: R1 and R2 identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated C1-C20, preferably C1-C15, alkyl gr...
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WO/2017/179564A1 |
Provided are: a styrene-based resin composition which can give a molded object that has the intact usefulness of a styrene resin and poly(lactic acid) and that is excellent in terms of mechanical strength, etc. and is suitable for use es...
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WO/2017/163552A1 |
The present invention provides a rubber composition which contains a rubber component having excellent cold flow resistance and is superior in low-loss characteristics and wear resistance to conventional ones. The rubber composition is c...
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WO/2017/135146A1 |
Provided is a polymer latex production method that is characterized by comprising: a polymerization step for polymerizing monomers in an organic solvent to obtain a polymer solution of a synthetic polyisoprene and/or a styrene-isoprene-s...
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WO/2017/116263A1 |
The invention relates to the production of modified rubbers having reduced cold flow, and rubber mixtures comprising such modified rubbers. A method for preparing rubbers with a reduced cold flow selected from polybutadiene rubber, butyl...
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WO/2017/109767A1 |
Process for the preparation of (co) polymers of conjugated dienes comprising polymerizing at least one conjugated diene in the presence of a catalytic system comprising at least one vanadium bis-imine complex having the general formula (...
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WO/2017/097702A1 |
The invention relates to a process for the preparation of hydroxylated polyolefins by living anionic polymerization of olefin monomers and subsequent functionalization with hydroxyl groups. With the inventive method, a high degree of fun...
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WO/2017/095377A1 |
Methods for in situ isomerization if polybutadiene may include adding mixture components of the cross -linkable rubber composition into a mixer, the mixture components comprising at least 10 phr of a polybutadiene rubber having at least ...
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WO/2017/095934A1 |
Methods for in situ isomerization if polybutadiene may include adding mixture components of the cross-linkable rubber composition into a mixer, the mixture components comprising at least 10 phr of a polybutadiene rubber having at least 8...
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WO/2017/069494A1 |
Disclosed is an apparatus for preparing polybutadiene that can improve productivity by minimizing the plugging effect, which occurs in the process of preparing polybutadiene, and increasing a conversion rate. The apparatus for preparing ...
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WO/2017/069495A1 |
Disclosed is a method for preparing polybutadiene that can improve productivity by minimizing the plugging effect, which occurs in the process of preparing polybutadiene, and increasing a conversion rate. The method for preparing polybut...
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