发明名称 |
Process for extruding ethylene polymers |
摘要 |
A process comprising forming an extrudate, preferably in the form of a film, from an ethylene polymer which, in an extruder, melts rapidly and experiences slow shear thinning by melt extruding said polymer through an extruder having an extrusion screw therein with a length to diameter ratio of between about 15:1 to 21:1.
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申请公布号 |
US4343755(A) |
申请公布日期 |
1982.08.10 |
申请号 |
US19790064399 |
申请日期 |
1979.08.08 |
申请人 |
UNION CARBIDE CORPORATION |
发明人 |
MILLER, JOHN C.;BURNETT, ARCHIBALD L. |
分类号 |
B29C47/00;B29C47/38;B29C47/60;(IPC1-7):B28B3/20 |
主分类号 |
B29C47/00 |
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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