公开(公告)号：US20160289437A1

公开(公告)日：2016-10-06

申请号：US15035972

申请日：2014-11-11

Applicant: DENKA COMPANY LIMITED

Inventor： Yushi KUMAGAI ,  Masaru HASEGAWA ,  Tetsuo NOGUCHI

IPC: C08L25/08 ,  B32B27/30 ,  B32B27/32 ,  B32B27/08

CPC classification number: C08L25/08 ,  B32B27/08 ,  B32B27/30 ,  B32B27/302 ,  B32B27/32 ,  B32B2274/00 ,  B32B2307/584 ,  B32B2509/00 ,  B32B2535/00 ,  B32B2605/00 ,  C08F255/02 ,  C08L23/10 ,  C08L51/003 ,  C08L51/06 ,  C08L53/025 ,  C08F210/02 ,  C08F212/08 ,  C08F212/36 ,  C08L23/12

Abstract: [Problem] To provide a thermoplastic elastomer resin composition that excels in tensile breaking strength, softness, oil resistance and scratch resistance, and that has good heat fusion ability with respect to polyolefin resins. [Solution] A thermoplastic elastomer resin composition consisting of: 15 to 89 mass % of a cross-copolymer having a polymer consisting of aromatic vinyl monomer units as a cross-chain structure on an aromatic vinyl-olefin-aromatic polyene copolymer main chain consisting of 9.99 to 29.99 mol % of aromatic vinyl monomer units, 70 to 90 mol % of olefin monomer units and 0.01 to 0.5 mol % of aromatic polyene monomer units; 1 to 55 mass % of a hydrogenated block copolymer; and 10 to 60 mass % of a polypropylene resin.

Abstract translation: 本发明提供一种热塑性弹性体树脂组合物，它具有抗拉断裂强度，柔软性，耐油性和耐擦伤性，并且对聚烯烃树脂具有良好的热熔融能力。 [解决方案]一种热塑性弹性体树脂组合物，其由以下组成的组成：15〜89质量％的交联共聚物，其具有由作为交联链结构的芳香族乙烯基单体单元的聚合物构成的芳香族乙烯 - 烯烃 - 芳香族多烯共聚物主链， 芳香族乙烯基单体单元为9.99〜29.99摩尔％，烯烃单体单元为70〜90摩尔％，芳香族多烯单体单元为0.01〜0.5摩尔％ 1〜55质量％氢化嵌段共聚物; 和10〜60质量％的聚丙烯树脂。

公开(公告)号：US20160326360A1

公开(公告)日：2016-11-10

申请号：US15216265

申请日：2016-07-21

Applicant: DENKA COMPANY LIMITED

Inventor： Tetsuo NOGUCHI ,  Takeshi OHTSUKA ,  Masanori MATSUMOTO ,  Yuichi SHINDO

IPC: C08L35/02 ,  C08J5/18 ,  G02B1/04 ,  C08L33/12

CPC classification number: C08L35/02 ,  C08F24/00 ,  C08F212/08 ,  C08F220/10 ,  C08F222/02 ,  C08J5/18 ,  C08J2333/00 ,  C08J2333/12 ,  C08J2335/02 ,  C08J2433/12 ,  C08J2435/02 ,  C08L25/14 ,  C08L33/06 ,  C08L33/08 ,  C08L33/12 ,  C09J133/06 ,  G02B1/04 ,  C08F220/14 ,  C08F222/08

Abstract: A copolymer for improving heat resistance of a methacrylic resin which can achieve preservation of excellent transparency of the methacrylic resin and improvement in heat resistance, and can provide a molded product having excellent appearance, by adding the copolymer to the methacrylic resin, is provided. According to the present invention, a copolymer for improving heat resistance of a methacrylic resin, including: 45 to 85 mass % of an aromatic vinyl monomer unit; 5 to 45 mass % of a (meth)acrylic acid ester monomer unit; and 10 to 20 mass % of an unsaturated dicarboxylic acid anhydride monomer unit; wherein the copolymer has a total light transmittance of 88% or more, the total light transmittance being measured in accordance with ASTM D1003 for a sample with 2 mm-thickness, is provided.

公开(公告)号：US20190077893A1

公开(公告)日：2019-03-14

申请号：US16064703

申请日：2016-10-25

Applicant: Denka Company Limited

Inventor： Yushi KUMAGAI ,  Masaru HASEGAWA ,  Tetsuo NOGUCHI

IPC: C08F212/08 ,  C08F212/34 ,  C08F210/02 ,  A61L31/04

Abstract: [Problem] To provide a cross-polymer having excellent softness, tensile properties, transparency and anti-blocking properties, and a medical single-layer tube using the same. [Solution] A cross-copolymer containing, by 75-95 mass %, main chains comprising aromatic vinyl/olefin-based copolymers comprising 8.99-15.99 mol % of aromatic vinyl monomer units, 84-91 mol % of olefin monomer units and 0.01-0.5 mol % of aromatic polyene monomer units; and by 5-25 mass %, cross-chains comprising polymers comprising aromatic vinyl monomer units; wherein, based on differential scanning calorimetry (DSC) in which the cross-copolymer is cooled to −50° C. in a 30 mL/min nitrogen flow, then heated to 180° C. at a temperature increase rate of 10° C./min, re-cooled to −50° C., and heated to 180° C. at a temperature increase rate of 10° C./min, the cross-copolymer has a top temperature of melting peak of 60-80° C., and a heat of fusion of 45-75 J/g, as calculated from the area of the DSC curve between −20° C. and 130° C. by using a straight line drawn between points on the DSC curve at −20° C. and 130° C.