发明名称 |
Method of removing acid component in deteriorated acetate film |
摘要 |
There is provided a method of removing acids from the surface and interior of an acetate film produced by deterioration during storage. Such methods are characterized by extracting and removing the acids from the surface and interior of the acetate film, and the extraction treatment includes solvent extraction or evacuation (heating). This method suppresses the deterioration process in the storage of the acetate film.
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申请公布号 |
US2006054185(A1) |
申请公布日期 |
2006.03.16 |
申请号 |
US20040485383 |
申请日期 |
2004.01.30 |
申请人 |
SAWAGUCHI TAKASHI;YANO SHOICHIRO;MORIMATSU YOSHITAKA;SAKAKI MITSURU |
发明人 |
SAWAGUCHI TAKASHI;YANO SHOICHIRO;MORIMATSU YOSHITAKA;SAKAKI MITSURU |
分类号 |
C23G1/02;B01D11/02;C08J7/02 |
主分类号 |
C23G1/02 |
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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