发明名称 |
Multilayer coextrusions |
摘要 |
A multilayer thermoplastic extruded structure comprises at least one thermoplastic polyolefin layer; at least one thermoplastic vinyl aromatic polymer layer; and a multicomponent tie layer. The multicomponent tie layer comprises at least one thermoplastic polyolefin; at least one thermoplastic vinyl aromatic polymer; and at least one styrenic block copolymer. Preferred structures are multilayer films used for packaging or multilayer sheets for thermoformed containers.
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申请公布号 |
US7135234(B2) |
申请公布日期 |
2006.11.14 |
申请号 |
US20040851268 |
申请日期 |
2004.05.21 |
申请人 |
NOVA CHEMICALS (INTERNATIONAL) S.A. |
发明人 |
DONNELLY KAREN D.;ROBERTS ROBERT DORVILLE;KWOK JOHN CHI HEE;HUNG CHRIS K.;PACHOLOK TREVOR DEAN |
分类号 |
B32B27/08;B32B27/28;B32B27/30;B32B27/32;C08L23/08;C08L25/06;C08L53/02 |
主分类号 |
B32B27/08 |
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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