METHOD FOR PRODUCTION OF CELLULOSE ACETOVALERATES Russian patent published in 2000 - IPC

Abstract RU 2146263 C1

FIELD: paper- and-pulp industry. SUBSTANCE: cellulose (1 mol OH groups) is treated with acylation mixture of valeric acid (10 mol) and acetic anhydride (10 mol) in presence of 10 wt % of ammonium sulfate, magnesium perchlorate, or anilinium sulfate. Method can be used in production of plastics processed into a variety products. EFFECT: simplified process. 1 tbl, 9 ex

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RU 2 146 263 C1

Authors

Galochkin A.I.

Bazarnova N.G.

Cherdantseva I.V.

Dates

2000-03-10—Published

1997-12-24—Filed