Coated papers
First Claim
1. A coated paper which comprises (a) a substrate;
- (b) a hydrophobic barrier layer comprised of a water insoluble component and a water soluble or alcohol soluble anticurl agent, said hydrophobic barrier layer being present on both sides of the substrate;
(c) an image receiving coating situated on the hydrophobic barrier layers, said coating comprising (1) a polymeric binder, (2) a dye fixative, (3) a lightfastness inducing agent, (4) a filler, and (5) a biocide.
6 Assignments
0 Petitions
Accused Products
Abstract
Disclosed is a coated paper which comprises (a) a substrate; (b) a hydrophobic barrier layer comprised of a water insoluble component and a water or alcohol soluble anticurl agent, said hydrophobic barrier layer being present on both sides of the substrate; (c) image receiving coatings situated on the top of both hydrophobic barrier layers, said image receiving coatings being suitable for receiving images of an aqueous ink, said coatings comprising (1) a polymeric binder, (2) a dye fixative, (3) a pigment, (4) a lightfastness inducing agent, and (5) a biocide. In another embodiment, the present invention is directed to a coated paper which comprises (a) a substrate; (b) a hydrophobic barrier layer comprised of a water insoluble component, and a water or alcohol soluble anticurl agent, said hydrophobic barrier layer being present on both sides of the substrate; (c) image receiving coatings situated on the top of both hydrophobic barrier layers, said image receiving coatings being suitable for receiving images developed with electrostatic toner compositions, said coatings comprising (1) a polymeric binder, (2) an antistatic agent, (3) a lightfastness inducing agent, (4) a pigment, and (5) an optional biocide.
246 Citations
27 Claims
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1. A coated paper which comprises (a) a substrate;
- (b) a hydrophobic barrier layer comprised of a water insoluble component and a water soluble or alcohol soluble anticurl agent, said hydrophobic barrier layer being present on both sides of the substrate;
(c) an image receiving coating situated on the hydrophobic barrier layers, said coating comprising (1) a polymeric binder, (2) a dye fixative, (3) a lightfastness inducing agent, (4) a filler, and (5) a biocide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 27)
- (b) a hydrophobic barrier layer comprised of a water insoluble component and a water soluble or alcohol soluble anticurl agent, said hydrophobic barrier layer being present on both sides of the substrate;
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17. A coated paper which comprises (a) a substrate;
- (b) thereover and thereunder a hydrophobic barrier layer comprised of a water insoluble component, and a water soluble anticurl agent;
(c) an image receiving coating layer situated on each hydrophobic barrier layer, said coating comprising (1) a polymeric binder, (2) an antistatic agent, (3) a lightfastness inducing agent, (4) a filler, and (5) an optional biocide.
- (b) thereover and thereunder a hydrophobic barrier layer comprised of a water insoluble component, and a water soluble anticurl agent;
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19. A printing process which comprises incorporating into an ink jet printing apparatus containing an aqueous ink a coated paper which comprises (a) a substrate;
- (b) a hydrophobic barrier layer comprised of a water insoluble component, and a water soluble or alcohol soluble anticurl agent, said hydrophobic barrier layer being present on both sides of the substrate;
(c) an image receiving coating situated on each hydrophobic barrier layer, said image receiving coating being suitable for receiving images of an aqueous ink, said coating comprising (1) a polymeric binder, (2) a dye fixative, (3) a lightfastness inducing agent, (4) a filler, and (5) a biocide; and
causing droplets of the ink to be ejected in an imagewise pattern onto the coated paper, thereby generating images on the coated paper. - View Dependent Claims (20)
- (b) a hydrophobic barrier layer comprised of a water insoluble component, and a water soluble or alcohol soluble anticurl agent, said hydrophobic barrier layer being present on both sides of the substrate;
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21. A process for generating images which comprises generating an electrostatic latent image on an imaging member in an imaging apparatus;
- developing the latent image with a toner;
transferring the developed image to a coated paper which comprises (a) a substrate;
(b) a hydrophobic barrier layer comprised of a water insoluble component, and a water soluble or alcohol soluble anticurl agent, said hydrophobic barrier layer being present on both sides of the substrate;
(c) an image receiving coating situated on each hydrophobic barrier layer, said image receiving coating being suitable for receiving images of an electrostatic toner composition, said coating comprising (1) a polymeric binder, (2) an antistatic agent, (3) a lightfastness inducing agent, (4) a filler, and (5) an optional biocide; and
optionally permanently affixing the transferred image to the coated paper.
- developing the latent image with a toner;
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22. A coated paper comprised of (a) a supporting paper substrate coated thereunder and thereover with a hydrophobic barrier layer comprised of a blend of polydimethylsiloxane and the anticurl agent glycerol ethoxylate-b-propoxylate triol;
- (b) an image receiving coating situated on each hydrophobic barrier layer, said image receiving coating being suitable for receiving images of an aqueous ink, said coating being formed from (1) as the polymeric binder, an acrylic emulsion latex, (2) the dye fixative decamethylene bis trimethyl ammonium bromide, (3) the lightfastness inducing composition comprised of the UV absorbing compound poly N,N-bis(2,2,6,6-tetramethyl-4-piperidinyl)-1,6-hexane diamine-co-2,4-dichloro-6-morpholino-1,3,5-triazine), and the antioxidant compound N,N'"'"'-β
,β
'"'"'-naphthalene-ρ
-phenylenediamine, (4) the filler, calcium carbonate, and (5) the biocide poly(oxyethylene(dimethylamino)ethylene(dimethylamino)ethylene dichloride). - View Dependent Claims (23, 24)
- (b) an image receiving coating situated on each hydrophobic barrier layer, said image receiving coating being suitable for receiving images of an aqueous ink, said coating being formed from (1) as the polymeric binder, an acrylic emulsion latex, (2) the dye fixative decamethylene bis trimethyl ammonium bromide, (3) the lightfastness inducing composition comprised of the UV absorbing compound poly N,N-bis(2,2,6,6-tetramethyl-4-piperidinyl)-1,6-hexane diamine-co-2,4-dichloro-6-morpholino-1,3,5-triazine), and the antioxidant compound N,N'"'"'-β
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25. A coated paper comprised of (a) a supporting paper substrate coated with a hydrophobic barrier layer comprised of a blend of polydimethylsiloxane and the anticurl agent trimethylolpropane propoxylate triacrylate, said hydrophobic barrier layer being present on both sides, of the substrate;
- (b) an image receiving coating situated on the top of both hydrophobic barrier layers, said image receiving coating being suitable for receiving images of an electrostatic toner composition, said coating being formed from comprising (1) a polymeric binder polyester latex, (2) an antistatic agent ethyl triphenyl phosphonium bromide, (3) a lightfastness inducing composition containing a mixture of the UV absorbing compound 2- 2'"'"'-hydroxy-3,5-di-(1,1-dimethyl benzyl)phenyl!-2H-benzotriazole and the antioxidant compound N,N'"'"'-β
,β
'"'"'-naphthalene-ρ
-phenylenediamine, (4) a filler of calcium carbonate, and (5) the biocide potassium N-hydroxymethyl-N-methyl-dithiocarbamate. - View Dependent Claims (26)
- (b) an image receiving coating situated on the top of both hydrophobic barrier layers, said image receiving coating being suitable for receiving images of an electrostatic toner composition, said coating being formed from comprising (1) a polymeric binder polyester latex, (2) an antistatic agent ethyl triphenyl phosphonium bromide, (3) a lightfastness inducing composition containing a mixture of the UV absorbing compound 2- 2'"'"'-hydroxy-3,5-di-(1,1-dimethyl benzyl)phenyl!-2H-benzotriazole and the antioxidant compound N,N'"'"'-β
Specification