Radiation sensitive vinyl hydrophilic copolymers

Details Radiation sensitive vinyl hydrophilic copolymers Radiation sensitive vinyl hydrophilic copolymers

1976-09-07

1978-08-22

Turer, Richard B.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

20415914, 20415918, 260874, 96115R, 526 16, 526 50, C08L 2300, C08L 2500

Patent

active

041090683

ABSTRACT:
Photosensitive polymeric compositions comprising a copolymer of (a) vinyl alcohol units and (b) vinyl ester units derived from the structure ##STR1## in which R is a divalent organic group, R.sup.1, R.sup.2 and R.sup.3 are organic substituents and X is an anion are disclosed. The ratio of (a) to (b) units is from 1:100 to 1000:1, units (a) and (b) together forming at least 80% of the copolymer. These copolymers are useful in forming films sensitive to ultra-violet radiation.

REFERENCES:
patent: 3647446 (1972-03-01), Alsup et al.

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