Ink compositions

A ink composition comprised of (1) an oxime with a melting point of from about 60 to about 120° C. and with an acoustic-loss value of from about 25 to about 80 dB/mm, (2) a carbamate with a melting point of from about 25° C. to about 60° C. and with an acoustic-loss value of from about 5 to about 40 dB/mm, (3) a lightfastness component, (4) a lightfast antioxidant, and (5) a colorant.

An ink comprised of a non-polymeric oxime, a lightfastness component, an antioxidant, and a colorant.

A process for the preparation of an ink comprising mixing a thiourea, a carbamate, a lightfastness compound, an antioxidant, and a colorant.

A process for the preparation of an ink comprising mixing an oxime, a carbamate, a lightfastness compound, an antioxidant, and a colorant.

An ink composition consisting essentially of (1) a thiourea with a melting point of from about 60 to about 1 20° C. and with an acoustic-loss value of from about 25 to about 80 dB/mm, (2) an ink carbamate with a melting point of from about 25° C. to about 60° C. and with an acoustic-loss value of from about 5 to about 40 dB/mm, (3) a lightfastness component, (4) a lightfast antioxidant, and (5) a colorant.

A ink composition consisting essentially of (1) an oxime with a melting point of from about 60 to about 120° C. and with an acoustic-loss value of from about 25 to about 80 dB/mm, (2) a carbamate with a melting point of from about 250C to about 600C and with an acoustic-loss value of from about 5 to about 40 dB/mm, (3) a lightfastness component, (4) a lightfast antioxidant, and (5) a colorant.

An ink composition comprised of (1) a thiourea with a melting point of from about 60 to about 120° C. and with an acoustic-loss value of from about 25 to about 80 dB/mm, (2) an ink carbamate with a melting point of from about 25° C. to about 60° C. and with an acoustic-loss value of from about 5 to about 40 dB/mm, (3) a lightfastness component, (4) a lightfast antioxidant, and (5) a colorant wherein said ink possesses acoustic-loss value of from about 10 to about 80 dB/mm, a viscosity of from about 1 centipoise to about 10 centipoise at a temperature of from about 125° C. to about 165° C., and provides images with crease values of from about 20 to about 40, and haze values of about 10 to about 30.

An ink composition comprised of (1) a thiourea with a melting point of from about 60 to about 120° C. and with an acoustic-loss value of from about 25 to about 80 dB/mm, (2) an ink carbamate with a melting point of from about 25° C. to about 60° C. and with an acoustic-loss value of from about 5 to about 40 dB/mm, (3) a lightfastness component, (4) a lightfast antioxidant, and (5) a colorant in which ink further contains (2) a second thiourea diluent with a boiling point of from about 160° C. to about 225° C., and a melting point of from about 25° C. to about 60° C. and with an acoustic-loss value of from about 5 to about 40 dB/mm, and which ink possesses an acoustic-loss value of from about 10 to about 80 dB/mm, a viscosity of from about 1 centipoise to about 10 centipoise at a temperature of from about 125° C. to about 165° C. and which ink yields images with crease values of from about 20 to about 40, and haze values of from about 10 to about 30.

An ink composition comprised of (1) a thiourea with a melting point of from about 60 to about 120° C. and with an acoustic-loss value of from about 25 to about 80 dB/mm, (2) an ink carbamate with a melting point of from about 25° C. to about 60° C. and with an acoustic-loss value of from about 5 to about 40 dB/mm, (3) a lightfastness component, (4) a lightfast antioxidant, and (5) a colorant wherein said thiourea and is selected from the group consisting of (1) 1-allyl-2-thiourea, (2) 1-allyl-3-(2-hydroxyethyl)-2-thiourea, (3)1-methyl-2-thiourea, (4)1-methallyl-3-methyl-2-thiourea, (5)1,3-dibutyl-2-thiourea, (6)1,1,3,3-tetramethyl-2-thiourea, (7) N,N′-di-n-propyl thiourea, and (8) 1-benzyl-3-methyl-2-thiourea.

A ink composition comprised of (1) an oxime with a melting point of from about 60 to about 120° C. and with an acoustic-loss value of from about 25 to about 80 dB/mm, (2) an ink carbamate with a melting point of from about 25° C. to about 60° C. and with an acoustic-loss value of from about 5 to about 40 dB/mm, (3) a lightfastness component, (4) a lightfast antioxidant, and (5) a colorant wherein said oxime is 2,3-butanedione monoxime, cyclohexanone oxime, 4-(trifluoromethoxy)benzamidoxime, 2-nitrobenzaldoxime, and 1-phenyl-1,2-propanedione 2-oxime.