Hydrolyzable silyl-substituted dyestuffs for transfer printing

Claim 2

A volatile, hydrolyzable dyestuff of the formula ##STR8## wherein A is a dyestuff nucleus which may be unsubstituted or substituted by auxochromic or bathochromic groups and is selected from anthraquinone, naphthoquinone, phenylazophenyl or styryl, n is 1, 2 or 3, R is H, alkyl of 1 to 6 carbon atoms, phenyl or Q, and at least one R is Q, Q is --R 1 --W--Si(R 2 ) 3 , R 1 is a divalent aliphatic group of 2 to 10 carbon atoms W is O, S or NR 3 , R 3 is H, alkyl of 1 to 6 carbon atoms or phenyl and each R 2 is individually the same or different selected from hydrogen, hydrocarbyl, hydrocarbyloxy, chlorohydrocarbyl or bromohydrocarbyl, chlorohydrocarbyloxy, bromohydrocarbyloxy in which the sum of carbons is not greater than 12.

Claim 3

A volatile, hydrolyzable dyestuff according to claim 1 of the formula ##STR9## wherein m is 0, 1, 2 or 3, each R 4 is independently a nonsalt auxochromic or bathochromic nucleus-substituting group selected from NO 2 , Cl, Br, R 3 , OR 3 , SR 3 , NHR 3 and N(R 3 ) 2 and, when in the 4, 5 or 8 position, R 4 is additionally selected from NR 3 Q, Q is --R 1 --W--Si(R 2 ) 3 , R 1 is a nonhydrolyzable divalent aliphatic, cycloaliphatic or phenylaliphatic linking group of 2 to 10 carbon atoms and not more than one oxygen or nitrogen atom for each two carbon atoms and a plurality of oxygen or nitrogen atoms being separated from one another by at least two carbon atoms, any phenyl group being separated from W by at least two carbon atoms, W is O, S or NR 3 , R 3 is H, alkyl of 1 to 6 carbon atoms or phenyl and each R 2 is individually the same or different selected from hydrogen, hydrocarbyl, hydrocarbyloxy, chlorohydrocarbyl, chlorohydrocarbyloxy, bromohydrocarbyloxy or bromohydrocarbyl in which the sum of carbons is not greater than 12.

Claim 4

A volatile, hydrolyzable dyestuff according to claim 1 wherein A is a diazene residue of the formula ##STR10## wherein each n is independently 0, 1 or 2, R is H, alkyl of 1 to 6 carbon atoms, each R 4 group is independently a nonsalt auxochromic or bathochromic nucleus substituting group selected from NO 2 , Cl, Br, R 3 , OR 3 , SR 3 , NHR 3 and N(R 3 ) 2 and R 3 is H, alkyl of 1 of 6 carbon atoms or phenyl.

Claim 5

A volatile, hydrolyzable dyestuff according to claim 1 of the formula ##STR11## wherein p is 0, 1 or 3 R is H, alkyl of 1 to 6 carbon atoms, phenyl or Q, and at least one R is Q, Q is --R 1 --W--Si(R 2 ) 3 , R 1 is a nonhydrolyzable divalent aliphatic, cycloaliphatic or phenyl aliphatic linking group of 2 to 10 carbon atoms and not more than one oxygen or nitrogen atom for each two carbon atoms and a plurality of oxygen or nitrogen atoms being separated from one another by at least two carbon atoms, any phenyl group being separated from W by at least two carbon atoms, W is O, S or NR 3 , R 3 is H, alkyl of 1 to 6 carbon atoms or phenyl and each R 2 is individually the same or different selected from hydrogen, hydrocarbyl, hydrocarbyloxy, chlorohydrocarbyl, chlorohydrocarbyloxy, bromohydrocarbyloxy, or bromohydrocarbyl in which the sum of carbons is not greater than 12, individually R 5 and R 6 are CN, SO 2 R 8 , R 3 , COOR or phenyl substituted by one of Cl, CH 3 or OCH 3 and R 8 is CF 3 , alkyl, cycloalkyl or aryl of 1 to 7 carbon atoms, and together R 5 and R 6 and the adjacent carbon atom are ##STR12##

Claim 6

The volatile, hydrolyzable dyestuff according to claim 2 wherein m is 1, R 4 is --NR 3 Q, R 3 is H and Q is --CH 2 CH 2 OSi(CH 3 ) 3 .

Claim 7

The volatile, hydrolyzable dyestuff according to claim 2 wherein m is 1, R 4 is --NR 3 Q, R 3 is H and Q is ##STR13##

Claim 8

The volatile, hydrolyzable dyestuff according to claim 2 wherein m is 1, R 4 is --NR 3 Q, R 3 is H and Q is ##STR14##

Claim 9

The volatile, hydrolyzable dyestuff according to claim 3 of the formula ##STR15##