Method of recording information using a copolymer of glycidyl me

Details Method of recording information using a copolymer of glycidyl me Method of recording information using a copolymer of glycidyl me

1976-06-17

1977-11-01

Brammer, Jack P.

Gas separation: apparatus

Electric field separation apparatus

With means to add charged solid or liquid particles to...

96 351, 96 86P, 96 87R, 20415918, 20415923, 427 43, G03C 504, G03C 178, G03C 500

Patent

active

040563936

ABSTRACT:
Copolymers of glycidyl methacrylate and allyl glycidyl ether having pendant epoxy groups, having an inherent viscosity of at least about 0.25, preferably within the range of about 0.25 to about 0.38, and an epoxy equivalent of at least about 0.65 epoxide equivalent per 100g. of polymer are provided which upon admixture with a radiation-sensitive aryldiazonium salt provide compositions which exhibit improved sensitivity, curing rates and other properties. Articles for recording and storing information from a laser source and other articles such as microfilm are derived from such compositions by subjecting a coated substrate to an energy source of sufficient intensity to decompose the radiation-sensitive catalyst and thus effect polymerization via the epoxy groups of the copolymer.

REFERENCES:
patent: 3580657 (1971-05-01), Sheridon
patent: 3658526 (1972-04-01), Haugh
patent: 3708296 (1973-01-01), Schlesinger

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