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31.发明申请公开(公告)号：US20140194565A1
公开(公告)日：2014-07-10
申请号：US14240410
申请日：2012-08-27
Applicant: Sekisui Plastics Co., Ltd.
Inventor： Ryosuke Harada
IPC: C08L33/14
CPC classification number: C08L33/14 , A61K8/0245 , A61K8/8152 , A61K2800/412 , A61Q1/02 , C08F2/22 , C08J3/126 , G02B5/0242
Abstract: Disclosed are non-spherical resin particles that allow for improvement of light diffusion, light reflection, and other related properties, and a manufacturing method thereof. The particles comprise first and second, different resin components (1) and (2), with the second resin component (2) residing locally near the surface of the non-spherical resin particles. The method of manufacturing non-spherical resin particles involves either allowing particles of a resin to absorb a vinyl-based polymerizable monomer contained in an aqueous emulsion followed by polymerization of the absorbed monomer or dissolving a resin in a vinyl-based polymerizable monomer followed by polymerization of the obtained solution in an aqueous medium. In the method, the resin has a site derived from a (meth)acrylic acid ester having a C2-C10 halogenated alkyl group or alicyclic hydrocarbon group and has a weight-average molecular weight of from 150,000 to 1,000,000. The vinyl-based polymerizable monomer contains 5 to 50 wt % crosslinking monomer.
Abstract translation: 公开了允许改善光扩散，光反射等相关性能的非球形树脂颗粒及其制造方法。 颗粒包含第一和第二不同的树脂组分（1）和（2），其中第二树脂组分（2）局部邻近非球形树脂颗粒的表面。 制造非球形树脂颗粒的方法包括允许树脂颗粒吸收水乳液中所含的乙烯基类可聚合单体，然后将吸收的单体聚合或将树脂溶解在乙烯基类可聚合单体中，然后进行聚合 得到的溶液在水性介质中。 在该方法中，树脂具有来源于具有C 2〜C 10卤代烷基或脂环式烃基的（甲基）丙烯酸酯的部位，重均分子量为15万〜100万。 乙烯基系聚合性单体含有5〜50重量％的交联单体。
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公开(公告)号：US12286521B2
公开(公告)日：2025-04-29
申请号：US17598451
申请日：2020-01-28
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor： Yusuke Kuwabara
Abstract: An object of the present invention is to provide a resin composition that can produce a foam molded body having a beautiful appearance while exhibiting excellent mechanical properties. The above object is achieved by a resin composition for producing foam particles, the resin composition comprising a base resin containing a polycarbonate resin having a glass transition temperature of 140 to 155° C. and an amorphous polyester resin having a glass transition temperature of 100 to 130° C., and the amorphous polyester containing a unit derived from a cyclic diol.
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公开(公告)号：US12221521B2
公开(公告)日：2025-02-11
申请号：US17598583
申请日：2020-03-16
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor： Daisuke Shimizu , Yuichi Gondoh
Abstract: A foam molded body having a rebound resilience coefficient equivalent to that of a petroleum-derived polyamide-based elastomer foam molded body, and excellent moldability during in-mold foaming; foam particles; and a method for producing the foam molded body. A polyamide-based elastomer foam molded body comprising 50 to 100 mass % of a block copolymer resin containing a polyamide block as a hard segment and a polyether block as a soft segment, wherein the copolymer resin has a biobased product content as measured by ASTM D6866 of 30% or more.
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34.发明授权公开(公告)号：US12065548B2
公开(公告)日：2024-08-20
申请号：US17347864
申请日：2021-06-15
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor： Kaori Kuwagaki , Akiyoshi Kusaka
IPC: C08J3/16 , A61K8/02 , A61K8/85 , A61Q19/00 , C08G63/06 , C08G63/08 , C08G63/16 , C08J3/11 , C08J3/12 , C09D5/03 , C09D167/02 , C09D167/04
CPC classification number: C08J3/16 , A61K8/025 , A61K8/85 , A61Q19/00 , C08G63/06 , C08G63/08 , C08G63/16 , C08J3/11 , C08J3/12 , C09D5/031 , C09D167/02 , C09D167/04 , A61K2800/26 , C08G2230/00 , C08J2367/02 , C08J2367/04
Abstract: Generally spherical resin particles formed of a thermoplastic resin, having a sphericity of 0.90 to 1.00, a light scattering index of 0.5 to 1.0 and a linseed oil absorption of 30 to 150 mL/100 g.
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公开(公告)号：US11958922B2
公开(公告)日：2024-04-16
申请号：US17274537
申请日：2019-08-28
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor： Kohei Tanaka , Kengo Nishiumi , Ryosuke Harada
IPC: C08F220/18 , C08F212/08 , C08F212/36 , C08F220/14 , C08F222/10 , C08J3/12
CPC classification number: C08F220/1804 , C08F220/14 , C08J3/12 , C08J2333/10 , C08J2333/12
Abstract: The present invention provides vinyl-based resin particles capable of easily smoothing the surface of a thermosetting resin film when the particles are used as a pore-forming material for a thermosetting resin. Specifically, the present invention provides vinyl-based resin particles for use in making a thermosetting resin porous, the particles having a temperature of 230° C. or higher and lower than 300° C. at 10% mass loss when heated at a rate of 10° C./min in an air atmosphere, and the particles having a mass loss percentage of 85 to 100% after being heated at 350° C. for 5 hours in an air atmosphere.
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Patent Agency Ranking
公开(公告)号：US11696975B2
公开(公告)日：2023-07-11
申请号：US16338308
申请日：2017-09-22
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor： Ryo Iizuka , Kazuki Kato
IPC: A61L31/14 , A61L31/04 , B32B27/18 , B32B27/30 , C08F222/38 , C08J3/075 , C09J7/30 , C09J11/04 , C09J11/06 , A61B5/259 , A61B5/296 , A61B5/398 , A61B18/16 , A61B18/00 , A61N1/04 , A61B5/291
CPC classification number: A61L31/145 , A61L31/041 , B32B27/18 , B32B27/306 , C08F222/385 , C08J3/075 , C09J7/30 , C09J11/04 , C09J11/06 , A61B5/259 , A61B5/291 , A61B5/296 , A61B5/398 , A61B18/16 , A61B2018/00601 , A61B2562/0215 , A61B2562/0217 , A61N1/0428 , A61N1/0456 , C08J2335/00 , C08J2435/00
Abstract: A hydrogel 1 having a laminate structure of layer A 10 and layer B 20, wherein layer A 10 contains a monomer-derived component, water, a humectant, a water-insoluble polymer having tackiness and an amphiphilic polymer, the water-insoluble polymer is contained in a proportion of 3 to 20 wt % based on a total amount of layer A, and the amphiphilic polymer is a polyvinyl alcohol having a saponification degree of 50 to 75% and is contained in a proportion of 0.05 to 5 wt % based on the total amount of layer A; layer B 20 contains a monomer-derived component, water and a humectant and is substantially free of a water-insoluble polymer having tackiness and a polyvinyl alcohol; and an amount of the water based on a total amount of layer B is the amount of water based on the total amount of layer A±10 wt %.
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公开(公告)号：US20230110490A1
公开(公告)日：2023-04-13
申请号：US18080359
申请日：2022-12-13
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor： Yuichi GONDOH , Hirotaka KONDO , Masashi YAMASHITA , Masayuki TAKANO
Abstract: The thermoplastic elastomer composition contains a thermoplastic elastomer and a pigment.
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公开(公告)号：US11548995B2
公开(公告)日：2023-01-10
申请号：US17106518
申请日：2020-11-30
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor： Kaori Kuwagaki , Akiyoshi Kusaka
Abstract: A manufacturing method for porous resin microparticles comprising steps of: heating a polyester thermoplastic resin having biodegradability to a temperature of 80° C. or higher and 200° C. or lower in a glycol ether solvent to obtain a solution, and cooling the solution to precipitate the polyester thermoplastic resin as porous resin microparticles.
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公开(公告)号：US20210347923A1
公开(公告)日：2021-11-11
申请号：US17274537
申请日：2019-08-28
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor： Kohei TANAKA , Kengo NISHIUMI , Ryosuke HARADA
IPC: C08F220/18 , C08F220/14 , C08J3/12
Abstract: The present invention provides vinyl-based resin particles capable of easily smoothing the surface of a thermosetting resin film when the particles are used as a pore-forming material for a thermosetting resin. Specifically, the present invention provides vinyl-based resin particles for use in making a thermosetting resin porous, the particles having a temperature of 230° C. or higher and lower than 300° C. at 10% mass loss when heated at a rate of 10° C./min in an air atmosphere, and the particles having a mass loss percentage of 85 to 100% after being heated at 350° C. for 5 hours in an air atmosphere.
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40.发明授权公开(公告)号：US11162006B2
公开(公告)日：2021-11-02
申请号：US15124878
申请日：2015-03-20
Applicant: SEKISUI PLASTICS CO., LTD.
Inventor： Hiroyoshi Tanaka
Abstract: The present invention provides an adhesive, high water content gel that does not cause a heat generation problem even when used as a patient plate for electrosurgical units through which high current flows and that is excellent in adhesion, as well as an electrode pad including the gel. The present invention relates to an adhesive, high water content hydrogel containing a polymer matrix that includes a copolymer of a polymerizable monomer and a crosslinkable monomer, water, a polyhydric alcohol, an electrolyte, polyacrylic acid, and polyvinyl alcohol, the hydrogel containing, based on 100% by weight of the total hydrogel, 40-70% by weight of water, 1.0-5.0% by weight of polyacrylic acid, and 0.5-5.0% by weight of polyvinyl alcohol, and being produced by copolymerization. An electrode pad is also obtained by coating a conductive layer formed on a base film with the adhesive, high water content hydrogel.
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