Process for preparing relief images using acid-curable resins an

Details Process for preparing relief images using acid-curable resins an Process for preparing relief images using acid-curable resins an

1986-09-24

1987-11-24

Pertilla, Theodore E.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

427 431, 427 44, 427 541, 427145, G03F 702, B05D 306

Patent

active

047089261

ABSTRACT:
Compounds of the formula I and II ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6, X, Y and n are as defined in claim 1, are latent curing catalysts for preparing relief images with acid-curable resins. They are distinguished by satisfactory solubility in the acid-curable resin systems, can be stored virtually indefinitely in the dark and, when exposed to shortwave light, make it possible to cure the resins by acid catalysis at a relatively low temperature.

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K. U. Auwers et al., Ann. 526, 143, (1936).
C. L. Stevens et al., J. Am. Chem. Soc., 76, 4402, (1954).

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