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.
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
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