发明名称 |
BIODEGRADABLE FILM AND PROCESS FOR PRODUCING THE SAME |
摘要 |
A plastic film which is improved in brittleness and not too flexible, has practically nonproblematic properties and heat-sealability nondeteriorated even after the lapse of time, and is degradable in the natur al environment. The film comprises a lactic acid polymer and another aliphatic polyester in a weight ratio ranging from 80/20 to 20/80 an d is characterized by exhibiting a heat of melting, .DELTA.Hm1, of 35 J/g or less in terms of lactic acid polymer when heated.
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申请公布号 |
CA2309828(C) |
申请公布日期 |
2007.07.03 |
申请号 |
CA19982309828 |
申请日期 |
1998.11.13 |
申请人 |
MITSUBISHI PLASTICS, INC. |
发明人 |
TAKAGI, JUN;TERADA, SHIGENORI |
分类号 |
C08J5/18;C08L67/02;C08L67/04 |
主分类号 |
C08J5/18 |
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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