Ink jet transparencies
AssigneeXerox Corporation
InventorsShadi L. Malhotra, Kirit N. Naik, David N. MacKinnon
Life of this patent
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Abstract
A transparency comprised of a supporting substrate, thereover a first coating layer comprised of an anionic layer that binds well with the substrate; and a second cationic layer situated on the top of the first anionic layer that binds with the anionic layer and comprised of cationic quaternary monomers and polymers thereof and a lightfastness inducing agent; and a third ink receiving layer situated on the top of the second cationic layer and comprised of block copolymers and graft polymers, a biocide and a filler; which transparency possesses a haze value of from about 0.5 to about 10 and a lightfastness value of from about 95 to about 98.
Claims21
A transparency comprised of a supporting substrate, thereover a first coating layer comprised of an anionic polymer, a second cationic coating layer situated on the top of the first anionic layer and which second layer is comprised of monomeric or polymeric cationic quaternary compounds, and which second layer contains a lightfastness inducing agent, and a third ink receiving coating layer situated on the top of the second cationic layer, said third coating layer being comprised of a block polymer, a biocide and a filler, and wherein said transparency possesses a haze value of from about 0.5 to about 10 and a lightfastness value of from about 95 to about 99.
A transparency comprised of a supporting substrate, thereover and thereunder a first coating layer comprised of an anionic polymer, and a second cationic layer situated on the top of the first anionic layer and comprised of monomeric or polymeric cationic quaternary compounds and a lightfastness inducing agent, and a third ink receiving layer situated on the top of the second cationic layer, and said third layer comprised of a mixture of two block or graft polymers wherein one component is more compatible with fast drying colored inks, and which first component is selected from the group consisting of nonionic polysaccharides and vinyl polymers, and wherein the second component is more compatible with the slow drying black inks, and wherein said second component is selected from the group consisting of alkylene oxide polymers, formaldehyde resins, maleic anhydride and maleic acid containing polymers, acrylic polymers, and imine polymers, and wherein said third ink receiving layer contains a biocide and a filler, and which transparency possesses a haze value of from about 0.5 to about 5 and a lightfastness value of about 90 to about 95.
A transparency comprised of, in the order stated, a supporting substrate, thereover a first coating layer comprised of an anionic polymer layer, and a second cationic layer situated on the top of the first anionic layer and comprised of cationic alkyl ammonium salts, or alkyl phosphonium quaternary acrylic copolymer latexes and a lightfastness inducing agent;
- and a third ink receiving layer situated on the top of the second cationic layer and comprised of block copolymer, a biocide and a filler, and which transparency possesses a haze value of from about 0.5 to about 10 and a lightfastness value of from about 95 to about 98.
A transparency comprised of a supporting substrate, thereover a first adhesion coating layer comprised of an anionic polymer and a second cationic layer situated on the top of the first anionic layer, and which cationic layer forms a complex with the anionic layer, and which cationic layer is comprised of monomeric or polymeric cationic quaternary compounds and a lightfastness inducing agent, and a third ink receiving layer situated on the top of the second cationic layer and comprised of a block copolymer, a biocide and a filler, and which transparency possesses a haze value of from about 0.5 to about 10 and a lightfastness value of from about 95 to about 98.
A transparency comprised of a supporting substrate, thereover and thereunder a first coating layer comprised of an adhesive anionic polymer mixture present in amounts of from about 25 parts by weight to about 75 parts by weight of one anionic polymer and from about 75 parts by weight to about 25 parts by weight of a second anionic polymer;
- and a second cationic layer situated on the top of the first anionic layer and comprised of monomeric or polymeric cationic quaternary compounds and mixtures thereof, and a lightfastness inducing agent, and wherein the cationic components or mixtures thereof are present in amounts of from about 80 parts by weight to about 97 parts by weight, the lightfastness inducing components are present in amounts of from about 20 parts by weight to about 3 parts by weight, and a third ink receiving layer situated on the top of the second cationic layer and comprised of block or graft polymers with at least two components, wherein one component is more compatible with the fast drying colored inks and is selected from the group consisting of nonionic polysaccharides and vinyl polymers, and the second component is more compatible with the slow drying black inks and is selected from the group consisting of alkylene oxide polymers, formaldehyde resins, maleic anhydride and maleic acid containing polymers, acrylic polymers, imine polymers, a biocide and a filler.
A transparency comprised of a supporting substrate, thereover and thereunder a first coating layer comprised of an anionic polymer, a second cationic coating layer situated on the top of the first anionic layer, and which second layer is comprised of monomeric or polymeric cationic quaternary compounds, and which second layer contains a lightfastness inducing agent, and a third ink receiving coating layer situated on the top of the second cationic layer, said third coating layer being comprised of a block polymer, a biocide and a filler.
Dependencies are inferred from the claim text.