| 发明名称 |
METHOD OF PRODUCING BLOCK COPOLYMERS |
| 摘要 |
Liquid rubber-polyester block copolymers are produced by reacting a liquid rubber-type compound having at least one hydroxyl group in its molecule with molecule .epsilon. -aliphatic lactone in the presence of catalyst. |
| 申请公布号 |
CA1320606(C) |
申请公布日期 |
1993.07.20 |
| 申请号 |
CA19870540915 |
申请日期 |
1987.06.30 |
| 申请人 |
TAKEMOTO YUSHI KABUSHIKI KAISHA |
发明人 |
KINOSHITA, MITSUO;IMAMURA, SHIGERU;MATSUEDA, HIROKAZU |
| 分类号 |
C08F293/00;C08C19/38;C08F297/00;C08G63/00;C08G63/08 |
主分类号 |
C08F293/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
