Process for preparation of cellulose acetate

Details Process for preparation of cellulose acetate Process for preparation of cellulose acetate

1982-07-12

1983-11-15

Griffin, Ronald W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 80, C08B 306, C08B 324

Patent

active

044157347

ABSTRACT:
Secondary cellulose acetate (cellulose diacetate) of improved whiteness is produced by ripening primary cellulose acetate (cellulose triacetate) using a lower aliphatic alcohol instead of an aqueous medium.

REFERENCES:
patent: 2013830 (1935-09-01), Malm et al.
patent: 2104849 (1938-01-01), Conaway
patent: 2106297 (1938-01-01), Dreyfus
patent: 2331964 (1943-10-01), Dreyfus
patent: 2484108 (1949-10-01), Martin et al.
patent: 4269972 (1981-05-01), Yabune et al.

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