Positive-working radiation-sensitive copying composition and met

Details Positive-working radiation-sensitive copying composition and met Positive-working radiation-sensitive copying composition and met

1978-04-24

1981-01-27

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430176, 430192, 430270, 430292, 430300, 430302, 430323, 430914, 430919, 430925, 430326, 20415915, 20415921, 20415923, 20415924, G03C 168, G03C 170, G03C 152, G03F 700

Patent

active

042476119

ABSTRACT:
This invention relates to a radiation-sensitive copying composition which comprises (a) a compound which forms an acid under the influence of actinic radiation, and (b) an organic polymeric compound which contains recurrent acetal or ketal groupings in its main chain and whose solubility in a liquid developer is increased by the action of an acid, each .alpha.-carbon atom of the alcoholic constituent of the acetal or ketal grouping of the organic polymeric compound being aliphatic. The invention also relates to a process for the production of relief images using a radiation-sensitive copying composition.

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Fieser and Fieser, "Advanced Organic Chemistry," 1961, pp. 441 and 442.
Grant, J., "Hackh's Chemical Dictionary," 4th Ed., 1969, McGraw-Hill Book Co., pp. 5 and 371.

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