Search International and National Patent Collections

1. (WO2017150714) ELASTOMER COMPOSITION AND MEDICAL CONTAINER STOPPER FORMED BY MOLDING SAME

Pub. No.:    WO/2017/150714    International Application No.:    PCT/JP2017/008511
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Sat Mar 04 00:59:59 CET 2017
IPC: C08L 53/02
A61J 1/05
A61L 29/04
C08L 23/26
C08L 91/00
Applicants: MCPP INNOVATION LLC
MCPPイノベーション合同会社
Inventors: KARUBE Kanae
軽部 可奈絵
Title: ELASTOMER COMPOSITION AND MEDICAL CONTAINER STOPPER FORMED BY MOLDING SAME
Abstract:
This elastomer composition comprises a thermoplastic elastomer composition which contains 20-80 wt% of component (A), 1-25 wt% of component (B), and 1-70 wt% of component (C). Component (A) is at least one block copolymer selected from among: a block copolymer having a polymer block derived from a vinyl aromatic compound and a polymer block derived from at least one selected from conjugated diene and isobutylene; and another block copolymer obtained by hydrogenating said block copolymer. Component (B) is a polypropylene resin containing component (B1) below. Component (B1) is a modified polypropylene obtained by graft-modifying a polypropylene resin with a diene compound. Component (C) is a softening agent for hydrocarbon-based rubbers.