发明名称 |
Cast film of propylene polymers |
摘要 |
Disclosed is a multilayered cast film which has an elongation at break greater than 100%. It comprises: A) at least one layer of a crystalline homopolymer of a C3-C6 alpha -olefin, or a random copolymer of propylene with ethylene and/or a C4-C10 alpha -olefin, or a composition of crystalline random copolymers of propylene with ethylene and/or a C4-C8 alpha -olefin (Component A); and B) at least one layer of a propylene homopolymer, or a propylene copolymer with ethylene or a C4-C10 alpha -olefin, or a propylene copolymer with ethylene and a C4-C10 alpha -olefin, having an elongation at break lower than 30% (Component B).
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申请公布号 |
US5741565(A) |
申请公布日期 |
1998.04.21 |
申请号 |
US19950506467 |
申请日期 |
1995.07.25 |
申请人 |
MONTELL NORTH AMERICA INC. |
发明人 |
COOSEMANS, PIERRE;LESCA, GIUSEPPE;ROMANINI, DANIELE;TANGANELLI, ROBERTO |
分类号 |
B32B27/32;C08L23/10;C08L23/12;C08L23/16;(IPC1-7):B32B27/32;B65D85/60 |
主分类号 |
B32B27/32 |
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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