Hydrolyzable silyl-substituted dyestuffs for transfer printing

Details Hydrolyzable silyl-substituted dyestuffs for transfer printing Hydrolyzable silyl-substituted dyestuffs for transfer printing

1978-05-08

1980-02-19

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 25A, 8 7, 8 62, 260155, 260158, 260205, 260206, 260378, 260379, 260380, 260381, 2604482B, 2604482N, 2604488R, 427288, 542449, 542455, 548110, C09B 116, C09B 2302, C09B 2316, C09B 2908

Patent

active

041894294

ABSTRACT:
Volatile, hydrolyzable silyl-substituted dyestuffs are used in transfer sheets which, by heating, transfer an image to a substrate. The image has high optical density and resistance to diffusion in high temperature environments. The dyestuffs are of the formula ##STR1## wherein A is a dyestuff nucleus selected from anthraquinone, naphthoquinone, phenylazophenyl or styryl, which nucleus is substituted by R and may be substituted by auxochromic or bathochromic groups, R is H, alkyl of 1 to 6 carbon atoms, phenyl or Q, and at least one R is Q, Q is --R.sup.1 --W--Si(R.sup.2).sub.3, R.sup.1 is a divalent aliphatic group of 2 to 10 carbon atoms, W is 0, S or NR.sup.3, R.sup.3 is H, alkyl of 1 to 6 carbon atoms or phenyl and each R.sup.2 is individually the same or different selected from hydrogen, hydrocarbyl, hydrocarbyloxy, chlorohydrocarbyl or bromohydrocarbyl in which the sum of carbons is not greater than 12.

REFERENCES:
patent: 2715133 (1955-08-01), Speier
patent: 2925313 (1960-02-01), Bailey et al.
patent: 2931693 (1960-04-01), Bailey et al.
patent: 2934459 (1960-04-01), Canouai
patent: 3920695 (1975-11-01), Smith et al.

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