| 发明名称 |
VERFAHREN ZUR REINIGUNG VON POLY(VINYLALKOHOL) |
| 摘要 |
<p>Disclosed herein is a process to produce a film comprising poly(vinyl alcohol), wherein the poly (vinyl alcohol) solution has been purified utilizing an ion exchange resin. An approximate 50 micrometer thick film produced from the purified aqueous poly(vinyl alcohol) solution has an APHA color value of 50 or less after the film has been heated at 150° C. for 60 minutes.</p> |
| 申请公布号 |
DE602006015705(D1) |
申请公布日期 |
2010.09.02 |
| 申请号 |
DE20066015705T |
申请日期 |
2006.11.03 |
| 申请人 |
SEKISUI SPECIALTY CHEMICALS AMERICA LLC |
发明人 |
VICARI, RICHARD;BARSON, FLORIN;HANN, BRET F. |
| 分类号 |
C08F6/00;C08J5/18 |
主分类号 |
C08F6/00 |
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