Cured cellulose ester, method of curing same, and use thereof

Details Cured cellulose ester, method of curing same, and use thereof Cured cellulose ester, method of curing same, and use thereof

1983-07-25

1984-06-12

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carbohydrate or derivative as a reactant

527313, 528 32, 528 33, 528 43, 525937, C08G 7720, C08G 7704, C08L 102

Patent

active

044542950

ABSTRACT:
Cellulose esters are cured by exposure to radiation preferably followed by exposure to elevated temperatures of at least about 100.degree. C. In addition, polymers obtained from reacting certain cellulose esters with certain polymerizable silicon esters are provided. The cured cellulose esters are suitable for producing transparent parts such as contact lenses.

REFERENCES:
patent: 3903046 (1975-09-01), Greber et al.
patent: 4291098 (1981-09-01), Tanaka et al.

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