发明名称 EXTRUSION APPARATUS AND METHOD AND EXTRUDED THERMOPLASTIC POLYMER
摘要 Polyvinyl alcohol is processed into fibre or pellets for further processing, or directly into water-soluble film (9), in a screw-and-barrel extruder, which has a slow temperature rise and a mild kneading action achieved by a non-stick coating applied to the screw.
申请公布号 WO9604121(A2) 申请公布日期 1996.02.15
申请号 WO1995GB01845 申请日期 1995.08.03
申请人 BRITISH TECHNOLOGY GROUP INTER-CORPORATE LICENSING;JACK, RAYMOND, LESLIE 发明人 JACK, RAYMOND, LESLIE
分类号 B29C47/10;B29C47/20;B29C47/60;C08K3/36;C08K5/053;C08K7/02;C08L29/04;D01D1/02;D01F6/14 主分类号 B29C47/10
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