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公开(公告)号：US20230103092A1
公开(公告)日：2023-03-30
申请号：US17800670
申请日：2021-02-08
申请人： ZEON CORPORATION
发明人： Junji KODEMURA , Misa HAYASHI
摘要： A method for producing a latex composition, the method comprising a provision step of providing a conjugated diene polymer latex; and a preparation step of adding a sulfur-based vulcanizing agent, a xanthogen compound, and a strong acid salt-based surfactant to the conjugated diene polymer latex to prepare a latex composition.
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公开(公告)号：US20230078357A1
公开(公告)日：2023-03-16
申请号：US17944631
申请日：2022-09-14
发明人： Sung Hyun Lee , Jae Seok Lee
摘要： Disclosed are, inter alia, a rubber composition for suspension bush with improved fatigue durability and a rubber for a vehicle suspension bush including the same. The rubber may have increased hardness by applying a thiol-based compound as a cross-linking agent. The rubber composition may include a natural rubber, a filler including carbon black; a crosslinking agent including a thiol-based compound, an activator including zinc oxide and stearic acid, a sulfur, and a sulfur accelerator.
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公开(公告)号：US20230036329A1
公开(公告)日：2023-02-02
申请号：US17757628
申请日：2020-12-17
发明人： Petra FRANK , Ulrich JONAS , Michael LUKSIN , Sabine FUCHS
IPC分类号： C08F212/08 , C08F212/36 , C08K3/06 , C08K5/5399 , C08K5/5317 , C08F230/02 , C09K21/14
摘要： The invention relates to copolymers and molding compounds having reactively bonded sulfur and an overall low sulfur content. The copolymers and molding compounds of the invention are substantially colorless and odorless while sufficiently flame-retardant and can be used in the building industry and electrical industry.
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公开(公告)号：US11492465B2
公开(公告)日：2022-11-08
申请号：US16604615
申请日：2018-04-13
发明人： Benoit De Gaudemaris , Justin Belz
IPC分类号： C08L9/06 , B60C1/00 , C08F136/06 , C08F279/02 , C08K3/04 , C08K3/36 , C08L45/00 , C08K5/548 , C08K3/06 , C08K5/31 , C08K5/18 , C08K5/09 , C08K3/22 , C08K5/47 , C08L47/00 , C08L9/00
摘要： A rubber composition is based on at least: from 60 to 100 phr of one or more diene elastomers, referred to as very low glass transition temperature (Tg) diene elastomers, exhibiting a Tg within a range extending from −110° C. to −70° C., chosen from butadiene homopolymers, copolymers of butadiene and of vinylaromatic monomer, exhibiting a content of vinylaromatic unit of between 0% and 5% by weight, and the mixtures of these; a reinforcing filler; crosslinking system; and from 50 to 150 phr of at least one hydrocarbon resin predominantly composed of units resulting from α-pinene monomers, the resin exhibiting an aliphatic proton content of greater than 95%.
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公开(公告)号：US20220332918A1
公开(公告)日：2022-10-20
申请号：US17855021
申请日：2022-06-30
发明人： Darryl A. Boyd , Vinh Q. Nguyen , Nia A. Pollard , Frederic H. Kung , Daniel J. Gibson , Jason D. Myers , Colin C. Baker , Woohong Kim , Jasbinder S. Sanghera
摘要： A polymer comprising one or more chalcogenide elements and one or more crosslinking moieties. The crosslinking moieties may be organic, inorganic, or both. Also disclosed is the related method for making a polymer comprising purifying a chalcogenide polymer powder comprising one or more chalcogenide elements, melting the purified chalcogenide polymer powder, adding one or more crosslinking moieties to the melted chalcogenide polymer, and curing the modified chalcogenide polymer at a temperature between 150 and 200° C.
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公开(公告)号：US11472908B2
公开(公告)日：2022-10-18
申请号：US16957479
申请日：2019-01-10
申请人： ZEON CORPORATION
发明人： Kentaro Hayasaka
IPC分类号： C08F236/14 , D06N3/00 , D06N3/10 , C08L13/02 , C08K5/00 , C08K13/02 , C08L9/04 , C08F236/12 , C08F236/06 , C08K3/06 , C08K3/22
摘要： A latex composition having a nitrile rubber containing an α,β-ethylenically unsaturated nitrile monomer unit and a conjugated diene monomer unit, wherein the nitrile rubber has a weight average molecular weight of 50,000 to 100,000, and the weight of methanol extractables in all solids present in the latex composition is 2 to 20 wt % based on the weight of all the solids.
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公开(公告)号：US20220282070A1
公开(公告)日：2022-09-08
申请号：US17629601
申请日：2020-07-21
发明人： PATRICIA LAGARDE , ALINE RIOU
摘要： The invention relates to a rubber composition based on at least one elastomeric matrix comprising at least one diene elastomer, at least one reinforcing filler predominantly comprising carbon black and at least one reinforcing inorganic filler, at least one plasticizing resin having a glass transition temperature of greater than or equal to 20° C., at least one cobalt salt and at least one sulfur vulcanization system, said rubber composition exhibiting a Z score for dispersion of the reinforcing filler in the elastomeric matrix of greater than or equal to 85. The invention also relates to a reinforced product comprises at least one steel reinforcing element coated at least in part with a metallic coating and the rubber composition defined above, said reinforcing element being embedded in said rubber composition. The present invention also relates to a tyre comprising this composition and/or this reinforced product.
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公开(公告)号：US20220275257A1
公开(公告)日：2022-09-01
申请号：US17625389
申请日：2020-07-27
发明人： Takehiko HYODO , Masanori TAGUCHI , Hiroaki TANAKA , Fumiya SUZUKI , Kunio NIWA , Kazuyoshi SHIGA , Yuko SAKURAI , Kohei MIMURA
摘要： An aqueous adhesive for rubber includes rubber latex and an ammonium-salt-based vulcanization acceleration aid. An amount of the ammonium-salt-based vulcanization acceleration aid contained in the aqueous adhesive is preferably not less than 0.01% by weight and not greater than 5.0% by weight in terms of solid content. An aqueous adhesive for a ball includes rubber latex as a main component. A content of an inorganic filler in the aqueous adhesive is not greater than 0.1% by weight in terms of solid content. A ball 2 includes a hollow core 4 obtained by crosslinking a rubber composition that contains a vulcanizing agent. The core 4 is formed of two hemispherical half cores. The two half cores are adhered to each other by using the aqueous adhesive for a ball.
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公开(公告)号：US11413905B2
公开(公告)日：2022-08-16
申请号：US16303113
申请日：2017-05-18
IPC分类号： B60C1/00 , C08G18/10 , C08G18/44 , C08G18/50 , C08G18/76 , C08K3/04 , C08K3/06 , C08K5/00 , C08K5/37 , C08L7/02 , C08L25/10
摘要： The present technology provides a tire rubber composition formed by blending a microparticle composite, which is formed from a solid component of a mixture containing an emulsion of an organic microparticle and a rubber latex, in a sulfur vulcanizable rubber; the emulsion of the organic microparticle being an emulsion containing a microparticle obtained by polymerizing and/or crosslinking at least one selected from the group consisting of polymerizable monomers, and oligomers, prepolymers, and polymers having a reactive functional group and having a molecular weight from 500 to 50000 simultaneously or stepwise in water; and an average particle size of the microparticle being from 0.001 to 100 μm.
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10.发明申请公开(公告)号：US20220251311A1
公开(公告)日：2022-08-11
申请号：US17590558
申请日：2022-02-01
发明人： Seong Fong CHEN , Wei Cheong WONG
摘要： An elastomeric article having a rubber component comprising polyisoprene and an aldehyde aniline condensate, the elastomeric article having less than 1 ppm diisopropyl xanthogen polysulfide residue.
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