发明名称 Cellulose ester film and its manufacturing method
摘要 Disclosed is a cellulose ester film having a dry thickness of 20 to 60 mum, wherein the cellulose ester film is manufactured according to a solution cast film manufacture process comprising the steps of providing a cellulose ester dope, casting the cellulose ester dope on a support to form a cellulose ester web, peeling the cellulose ester web at a peel position from the support, transporting the peeled web to a dryer, drying the peeled web therein to form a cellulose ester film, and winding the cellulose ester film around a spool, the residual solvent content at the winding step of the cellulose ester film being not more than 0.05% by weight.
申请公布号 US7399440(B2) 申请公布日期 2008.07.15
申请号 US20030750618 申请日期 2003.12.31
申请人 KONICA CORPORATION 发明人 KAZAMA KENICHI;TANAKA TAKESHI;KUROKAWA MASAKAZU
分类号 B29C41/24;G02B5/30;B29C41/28;B29C41/46;B29C41/48;C08J5/18 主分类号 B29C41/24
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