Preparation of cellulose diacetate by recycling processed film

Details Preparation of cellulose diacetate by recycling processed film Preparation of cellulose diacetate by recycling processed film

C - Chemistry, Metallurgy

08

B

C08B 3/06 (2006.01) C08B 3/24 (2006.01) G03C 11/24 (2006.01)

Patent

CA 2101324

2101324 9213893 PCTABS00014 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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