发明授权
US4243619A Process for making film from low density ethylene hydrocarbon copolymer
失效
从低密度乙烯烃共聚物制备薄膜的方法
- 专利标题: Process for making film from low density ethylene hydrocarbon copolymer
- 专利标题(中): 从低密度乙烯烃共聚物制备薄膜的方法
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申请号: US12795申请日: 1979-02-16
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公开(公告)号: US4243619A公开(公告)日: 1981-01-06
- 发明人: William A. Fraser , Gary S. Cieloszyk
- 申请人: William A. Fraser , Gary S. Cieloszyk
- 申请人地址: NY New York
- 专利权人: Union Carbide Corporation
- 当前专利权人: Union Carbide Corporation
- 当前专利权人地址: NY New York
- 主分类号: B29C47/00
- IPC分类号: B29C47/00 ; B32B27/32 ; C08J5/18 ; C08L23/06 ; C08L23/08 ; B29D7/04 ; B29D7/22
摘要:
A process for making film from a narrow molecular weight distribution low density ethylene hydrocarbon copolymer, which process comprises extruding said copolymer through a die gap of greater than about 50 mils. The film exhibits an excellent balance of optical and mechanical properties.
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