Cyanoethylpullulan

Details Cyanoethylpullulan Cyanoethylpullulan

1980-07-10

1982-03-30

Hazel, Blondel

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

Organic compounds

Carbohydrates or derivatives

536120, 536 18, C08B 3700

Patent

active

043225241

ABSTRACT:
The present invention provides a novel compound cyanoethylpullulan which is a cyanoethylation product of pullulan. Pullulan is readily cyanoethylated by the reaction with acrylonitrile in the presence of an alkali catalyst such as sodium hydroxide.
The cyanoethylpullulan having a degree of cyanoethylation of at least 50% has various unique properties in the heat resistance, solubility in organic solvents, film-forming property, adhesive bonding to metals and the like in comparison with related cyanoethylated products such as cyanoethylcellulose and cyanoethylated polyvinyl alcohol.

REFERENCES:
patent: 2972609 (1961-02-01), Hogle
patent: 3282922 (1966-11-01), Touey et al.
patent: 4167623 (1979-09-01), Fujita et al.
patent: 4174440 (1979-11-01), Fujita et al.

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