发明名称 Blown film extrusion
摘要 A method for producing film having high tensile impact and dart drop properties by introducing a very low density ethylene alpha olefin copolymer having a melt index of less than 0.1 gm/10 min. a melt flow ratio of about 14-18 and a dispersity greater than 10 into a stalk extrusion apparatus and thereafter forming a film from said resin.
申请公布号 US5258161(A) 申请公布日期 1993.11.02
申请号 US19920898706 申请日期 1992.06.15
申请人 UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION 发明人 EALER, GEORGE E.
分类号 B29C47/00;(IPC1-7):B29C47/90 主分类号 B29C47/00
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