发明名称 |
MULTILAYER POLYOLEFIN LAMINATE HAVING NON-OUTER LAYER OF SYNDIOTACTIC POLYPROPYLENE |
摘要 |
A multilayer polyolefin film for use in a vertical form fill seal packaging comprising at least one non-outer layer of syndiotactic polypropylene with a density of from about 0.89 to about 0.90 gm/cm<3> and a melt index of from about 0.5 to about 2.0 dg/min and at least about 60% rrrr pentads measured using NMR, together with at least two layers of an interpolymer of ethylene and at least one C3-C20 alpha-olefin having a density of less than about 0.910 gm/cm<3> and a melt index of about 0.5 to about 2.0 dg/min.
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申请公布号 |
WO0029211(A1) |
申请公布日期 |
2000.05.25 |
申请号 |
WO1999CA01089 |
申请日期 |
1999.11.16 |
申请人 |
DUPONT CANADA INC.;SMILLIE, BENJAMIN ANDREW, |
发明人 |
SMILLIE, BENJAMIN ANDREW, |
分类号 |
B65D65/40;B32B27/32;C08L23/08;C08L23/10;(IPC1-7):B32B27/32;C08L23/04 |
主分类号 |
B65D65/40 |
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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