发明名称 Elimination of surface tackiness of poly - vinyl butyrate films
摘要 Method eliminates the surface tackiness by giving a matt surface, using heated calendar rollers and an inert liquid bath. The temp. is adjusted, with simultaneous roughing of both sides in the gap between mattreatment rollers, or during separate roughthening of both sides in the gap, so that it is between 5 degrees C above the imprint limit and 140 degrees C.
申请公布号 DE2015742(A1) 申请公布日期 1971.10.14
申请号 DE19702015742 申请日期 1970.04.02
申请人 DYNAMIT NOBEL AG 发明人
分类号 B29C59/04;(IPC1-7):29D7/22 主分类号 B29C59/04
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