Infrared sensitive phthalocyanine compositions

Details Infrared sensitive phthalocyanine compositions Infrared sensitive phthalocyanine compositions

1983-10-13

1985-07-16

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Including exposure step or specified pre-exposure step...

430495, 430496, 430945, 430269, 430270, 430276, 430278, 430523, 430526, 26024585, 26024586, 3461351, 346 76L, G03C 504, G03C 176

Patent

active

045296880

ABSTRACT:
Disclosed is an ablative infrared sensitive optical recording composition containing as a component thereof a dispersion of a resinous binder and an absorbing infrared sensitive tertiary butyl substituted vanadyl phthalocyanine obtained by the vapor treatment of a non-infrared sensitive tertiary butyl substituted vanadyl phthalocyanine of the following formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are tertiary butyl groups, or hydrogen, and M is vanadium oxide, subject to the provision that the average number of tertiary butyl groups present is from about 1 to 2.5, and at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is tertiary butyl.

REFERENCES:
Chem. Abst. 90(26):214474q.

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