Novel cellulose solutions

Details Novel cellulose solutions Novel cellulose solutions

1980-03-07

1981-07-14

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

106163R, 106186, 106196, 106197R, 106197C, 106198, 106203, 536 56, C08B 1100, C08L 100, C08L 102, C08L 126

Patent

active

042787904

ABSTRACT:
Cellulose solutions containing cellulose dissolved in lithium chloride and dimethylacetamide are useful in preparing cellulose derivatives. The solutions may contain up to about 8% lithium chloride and up to about 3% cellulose. The preparation of cellulose derivatives using the cellulose solutions is also described.

REFERENCES:
patent: 1746663 (1930-02-01), Leuchs
patent: 1924238 (1933-08-01), Graenacher
patent: 3236669 (1966-02-01), Williams
patent: 3935022 (1976-01-01), Sihtola
patent: 4028132 (1977-06-01), Litt
patent: 4059457 (1977-11-01), Austin
patent: 4062921 (1977-12-01), Austin
patent: 4097666 (1978-06-01), Johnson et al.
Turbank, A. F., et al., "Cellulose Solvents", Chemtech, pp. 51-57, Jan. 1980.
Phillipp, B., et al., "Non-Aqueous Solvents of Cellulose", Chemtech, pp. 702-708, Nov. 1977.
Chemical Abstracts, vol. 85, No. 16, Oct. 18, 1976, p. 114685n.
Chemical Abstracts, vol. 85, No. 22, Nov. 29, 1976, p. 162159r.

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