发明名称 |
PREPARATION OF CELLULOSE DIACETATE BY RECYCLING PROCESSED FILM |
摘要 |
A one step process for preparing cellulose diacetates from processed film having cellulose triacetate as a base. The process involves use of an organic acid such as acetic acid and a solvolysis agent such as an alkanol or water. Hydrogen and a hydrogenation catalyst are optionally employed. The process allows for a simple way of recycling a material that presently is not recycled to any appreciable extent.
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申请公布号 |
US5214137(A) |
申请公布日期 |
1993.05.25 |
申请号 |
US19910652710 |
申请日期 |
1991.02.08 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
WILSON, ALAN K.;BARLOW, JR., FRED D. |
分类号 |
C08B3/06;C08B3/24;G03C11/24 |
主分类号 |
C08B3/06 |
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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