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.
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
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