发明名称 |
POLYURETHANE-BASED COMPOSITIONS FOR THE PREPARATION OF BIO-DEGRADABLE MATERIALS BY CALANDERING |
摘要 |
A substance based on polyurethane from which biodegradable materials can be obtained by rolling comprises, as well as a polyurethane resin serving as its essential constituent, a carbohydrate, at least one second thermoplastic polymer which is miscible in the molten state with the polyurethane resin and/or at least one third biodegradable polymer chosen from among biodegradable aliphatic polyesters, preferably of the same nature as the polyurethane resin used. |
申请公布号 |
GR3003352(T3) |
申请公布日期 |
1993.02.17 |
申请号 |
GR19910401987T |
申请日期 |
1991.12.16 |
申请人 |
PENNEL ET FLIPO |
发明人 |
AIME, JEAN-MARC;MENTION, GEORGES;THOUZEAU, ANDRE |
分类号 |
B29C43/24;B29K75/00;B29L7/00;C08J5/18;C08K5/12;C08L75/00;C08L75/04;C08L75/06 |
主分类号 |
B29C43/24 |
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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