发明名称 |
HUNTSMAN PACKAGING CORPORATION |
摘要 |
<p>PURPOSE: A multilayer film is provided to contain more than one polyolefin having at least one functional part of unsaturated carboxylic acid and its anhydride. CONSTITUTION: A multilayer film manufacturing method has the steps of: containing more than one polyolefin that has more than one functional part of unsaturated carboxylic acid and an anhydride, as a step of coextruding a melting polyolefin layer that is attached to both sides of a melting polyamide layer through a coextrusion die; and forming a polyamide layer and a polyolefin layer that are expanded with vapor by blowing vapor through a jet that is a concentric circle and a first and a second circular die.</p> |
申请公布号 |
KR20000016532(A) |
申请公布日期 |
2000.03.25 |
申请号 |
KR19987010120 |
申请日期 |
1998.12.10 |
申请人 |
ALLIEDSIGNAL INC. |
发明人 |
ROLENCE MINGLIAN CHAI;ELLIOTE CARL ALTMAN;ALIFI DEGRASI;JOHN MENIG;FRANSIS ANTHONI MESA |
分类号 |
B29C47/06;B32B27/32;B32B27/34;(IPC1-7):B32B27/32 |
主分类号 |
B29C47/06 |
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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