发明名称 |
Ester amide block copolymer and process for producing same |
摘要 |
<p>An ester-amide block copolymer of the formula (1): <CHEM> wherein R is an aromatic hydrocarbon group with 6-20 carbon atoms and G is a residue of an aliphatic polyester, an aliphatic polycarbonate, an aliphatic polyethercarbonate or a polyorganosiloxane, and having a weight average molecular weight of 30,000 - 1,000,000. This copolymer is advantageously prepared by polycondensing an activated acyl lactam-terminated aromatic amide with a diol by a bulk polymerization procedure in a molten state.</p> |
申请公布号 |
EP0712879(A1) |
申请公布日期 |
1996.05.22 |
申请号 |
EP19950308169 |
申请日期 |
1995.11.15 |
申请人 |
TOSOH CORPORATION |
发明人 |
KUBO, YUJI;YAMAKAWA, HIROSHI;KIRIKIHIRA, ISAMU;SHIMOSATO, SHINJI |
分类号 |
C08G69/04;C08G69/42;C08G69/44;C08G77/455;(IPC1-7):C08G69/44 |
主分类号 |
C08G69/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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