基本信息:
- 专利标题： POLYMER COMPOSITION
- 专利标题（中）：聚合物组合物
- 申请号：EP01954491 申请日：2001-08-07
- 公开(公告)号：EP1312640A4 公开(公告)日：2005-02-23
- 发明人： KITANO HAJIME , WADA KOICHI , UNO MASANARI
- 申请人： KURARAY CO
- 专利权人： KURARAY CO
- 当前专利权人： KURARAY CO
- 优先权： JP2000245642 2000-08-14; JP2001073897 2001-03-15
- 主分类号： C08F297/04
- IPC分类号： C08F297/04 ; C08K5/14 ; C08L23/08 ; C08L53/02 ; C08L91/00 ; C08J9/06
摘要：
A polymer composition obtained by dynamically crosslinking a crosslinkable polymer composition which comprises (a) a block copolymer comprising two or more vinylaromatic polymer blocks and one or more (hydrogenated) conjugated diene polymer blocks, (b) an olefin copolymer obtained from ethylene and a C4-12 α-olefin and having a density of 0.88 to 0.92 g/cm3, (c) a softener, and (d) an organic peroxide in respective amounts satisfying the following relationships (1) to (3): (1) 0.66 ≤ Wb / Wa ≤ 4; (2) 0 ≤ Wc / (Wa + Wb + Wc) ≤ 0.25; (3) 0.001 ≤ Wd / (Wa + Wb + Wc) ≤ 0.01 (wherein Wa, Wb, Wc, and Wd represent the contents (by weight) of the ingredients (a), (b), (c), and (d), respectively, in the polymer composition before dynamic crosslinking).