发明名称 |
PROCESS OF MANUFACTURING EVOH/POLYESTER BISTRETCHED FILM AND THE FILM THUS OBTAINED |
摘要 |
The instant invention relates to a process for manufacturing a multilayer film, such as PET/binder/EVOH/binder/PET, comprising the steps of: (i) coextruding a raw film; (ii) simultaneously stretching it; and (iii) heat treating it at a temperature comprised between 170 DEG C and 250 DEG C, and during a heat treatment time comprised between 3 and 8 sec.
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申请公布号 |
WO9962694(A1) |
申请公布日期 |
1999.12.09 |
申请号 |
WO1999EP03758 |
申请日期 |
1999.05.28 |
申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY;ANDREIS, CHRISTINE;FEYDER, GUSTY |
发明人 |
ANDREIS, CHRISTINE;FEYDER, GUSTY |
分类号 |
B32B27/28;B29C55/02;B32B27/08;B32B27/30;B32B27/36;(IPC1-7):B29C55/02 |
主分类号 |
B32B27/28 |
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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