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COMPOSITION DE RÉSINE, AGENT DE THERMOSCELLAGE, FILM POUR RÉCIPIENT DE CONDITIONNEMENT DE LIQUIDE, RÉCIPIENT DE CONDITIONNEMENT DE LIQUIDE, ÉLÉMENT D'ÉVACUATION DE LIQUIDE ET RÉCIPIENT MÉDICAL
专利权人:
Kuraray Co.; Ltd.
发明人:
NOJIMA, Yusuke,TAKAGI, Hajime,OSHITA, Shinya
申请号:
EP17766796
公开号:
EP3431545A4
申请日:
2017.03.16
申请国别(地区):
EP
年份:
2020
代理人:
摘要:
Provided are: a resin composition capable of giving a liquid-packaging container satisfying both high flexibility and low-temperature impact resistance, excellent in low-temperature heat seal strength an also excellent in bag-breakage strength; a heat sealing agent and a film for liquid-packaging container containing the resin composition; a liquid-packaging container formed of the film for liquid-packaging container; a liquid-packaging container and a liquid discharge member obtained using the resin composition; and a medical container having the liquid-packaging container. Specifically, the resin composition contains a polypropylene-based resin (a) and a hydrogenated block copolymer (b), wherein the hydrogenated block copolymer (b) is a hydrogenation product of a block copolymer containing a polymer block (A) mainly containing a structural unit derived from an aromatic vinyl compound and a polymer block (B) mainly containing a structural unit derived from isoprene, a structural unit derived from butadiene, or a structural unit derived from a mixture of isoprene and butadiene, the glass transition temperature of the hydrogenated block copolymer (b) is -50 to -35°C, and the tensile shear adhesion strength, as obtained by a measurement according to JIS K 6850 (1999) where the polypropylene-based resin (a) is an adherend and the hydrogenated block copolymer (b) is an adhesive layer, is 1.0 MPa or more.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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