Radiation curable coating for photographic laminate

Claim 2

1 . A composition of matter that is essentially non-yellowing when cured comprising i) from 45 to 9 0 weight percent, based upon total composition weight, of an oligomer of the.formula wherein R 1 and R 2 are independently linear, branched, or cyclic saturated alkylene radicals of from six to twenty carbon atoms, n is a whole number from zero to three, Q and X are independently either a) a radical of the formula: where R 3 , R 4 , and R are independently selected from the group consisting of hydrogen, methyl, ethyl, or propyl, m is an integer of from 1 to 10, and p is zero or one, or b) a saturated alkyl radical of from nine to twenty carbon atoms, with the proviso that said oligomer must possess at least one acrylate or methacrylate group; ii) from 9 to 50 weight percent, based upon total composition weight, of a reactive diluent selected from the group comprising lauryl acrylate, lauryl methacrylate, stearyl acrylate, stearyl methacrylate, ethylhexlacrylate, isodecyl acrylate, and mixtures thereof; and iii) from 0.5 to 5 weight percent, based upon total composition weight, of a photoinitiator selected from the group consisting of 2-hydroxycyclohexylphenone, 2-hydroxy-2-methyl-l-phenyl-propan-l-one, and diethoxyacetophenone.

Claim 3

The composition of claim I wherein n is zero.

Claim 4

The composition of claim 2 wherein R 1 is and R 2 is

Claim 5

The composition of claim 2 wherein R 1 is and R 2 is

Claim 6

The composition of claim 1 wherein x and Q are both

Claim 7

The compositon of claim 1 wherein n is 1.

Claim 8

The composition of claim 6 wherein R 1 is and R 2 is

Claim 9

The composition of claim 1 wherein n is 2.

Claim 10

The composition of claim 8 wherein R 1 is and R 2 is

Claim 11

The composition of claim 1 wherein X is a saturated alkyl radical of from 9 to 20 carbon atoms and Q is an acrylate-terminated radical of the formula where R 3 is hydrogen or methyl.

Claim 12

ll. The composition of claim 10 wherein X is selected from the group comprising decyl, tetradecyl, and hexadecyl.

Claim 13

The composition of claim 1 wherein R 1 is selected from the group comprising and mixtures thereof.

Claim 14

An essentially non-yellowing article of manufacture comprising a substrate coated on at least one surface with a coating comprising the addition polymerization reaction product of i) from 45 to 90 weight percent, based upon total composition weight, of an oligomer of the formula wherein R 1 and R 2 are independently linear, branched, or cyclic saturated alkylene radicals of from six to twenty carbon atoms, n is a whole number from zero to three, Q and X are independently either a) a radical of the formula: where R 3 , R 4 , and R 5 are independently selected from the group consisting of hydrogen, methyl, ethyl, or propyl, m is an integer of from 1 to 10, and p is zero or one, or b) a saturated alkyl radical of from nine to twenty carbon atoms, with the proviso that said oligomer must possess at least one acrylate or methacrylate group ; ii) from 9 to 50 weight percent, based upon total composition weight, of a reactive diluent selected from the group comprising lauryl acrylate, lauryl methacrylate, stearyl acrylate, stearyl methacrylate, ethylhexylacrylate, isodecyl acrylate, and mixtures thereof; and iii) from 0.5 to 5 weight percent, based upon the total composition weight, of a photoinitiator selected from the group consisting of 2-hydroxycyclohexylphenone, 2-hydroxy-2-methyl-l-phenyl-propan-l-one, and diethoxyacetophenone.

Claim 15

An essentially non-yellowing article of manufacture comprising a substrate coated on at least one surface with a coating comprising the addition polymerization reaction product of i) from 45 to 90 weight percent, based upon total composition weight, of an oligomer of the formula wherein R 1 and R 2 are independently linear, branched, or cyclic saturated alkylene radicals of from six to twenty carbon atoms, n is a whole number from zero to three, Q and X are independently either a) a radical of the formula: where R 3 , R 4 , and R 5 are independently selected from the group consisting of hydrogen, methyl, ethyl, or propyl, m is an integer of from 1 to 10, and p is zero or one, or b) a saturated alkyl radical of from nine to twenty carbon atoms, with the proviso that said oligomer must possess at least one acrylate or methacrylate group ; ii) from 9 to 50 weight percent, based upon total composition weight, of a reactive diluent selected from the group comprising lauryl acrylate, lauryl methacrylate, stearyl acrylate, stearyl methacrylate, ethylhexylacrylate, isodecyl acrylate, and mixtures thereof; and iii) from 0.5 to 5 weight percent, based upon the total composition weight, of a photoinitiator selected from the group consisting of 2-hydroxycyclohexylphenone, 2-hydroxy-2-methyl-l-phenyl-propan-l-one, and diethoxyacetophenone.

Claim 16

The article of manufacture of claim 13 wherein said substrate is transparent.

Claim 17

A process of developing essentially non-yellowing color print materials comprising i) projecting the image of a color print negative upon the surface of a color print material, . thereby exposing the color print material, ii) immersing the exposed color print material in a developer solution for a time sufficient to react the dyes and pigments in the color print material; iii) immersing the exposed and reacted color print material in a fixer solution for a time sufficient to halt further reaction of the dyes and pigments in the color print material; iv) immersing the fixed color print material in an aqueous alkanol rinse for a time sufficient to remove substantially all of the developer and fixer solutions from said color print material; v) drying said color print material.

Claim 18

A process of developing essentially non-yellowing color print materials comprising i) projecting the image of a color print negative upon the surface of a color print material, . thereby exposing the color print material, ii) immersing the exposed color print material in a developer solution for a time sufficient to react the dyes and pigments in the color print material; iii) immersing the exposed and reacted color print material in a fixer solution for a time sufficient to halt further reaction of the dyes and pigments in the color print material; iv) immersing the fixed color print material in an aqueous alkanol rinse for a time sufficient to remove substantially all of the developer and fixer solutions from said color print material; v) drying said color print material.

Claim 19

The process of claim 15, wherein said aqueous alkanol rinse is prepared from water and a solute selected from the group comprising methanol, ethanol, n-propanol, isopropanol, n-butanol, tert-butanol, isobutanol, sec-butanol, n-pentanol, isopentanol, tert-pentanol, and mixtures thereof.

Claim 20

The process of claim 15, wherein said aqueous alkanon rinse comprises from 20 to 30 percent isopropanol by weight maintained at from 80 to 100°F.

Claim 21

The composition of claim 2, wherein R is: and R 2 is an alpha-omega divalent trimethylhexamethylene radical.

Claim 22

The composition of claim 6 wherein R 1 is: and R is an alpha-omega divalent trimethylhexamethylene radical.

Claim 23

The composition of claim 8 wherein R 1 is: and R 1 is an alpha-omega divalent trimethylhexamethylene radical.