Fusible porous polymer particles for inkjet receivers
View Patent ↗The present invention is an inkjet recording element including a support having thereon an image-receiving layer having porous fusible polymeric particles including a continuous phase binder polymer and a second phase including hydrocolloid, wherein the particles have a porosity of from 10 to 80 volume percent and a film forming binder.
1. An inkjet recording element comprising a support having thereon an image-receiving layer comprising porous fusible polymeric particles comprising a continuous phase binder polymer and a second phase comprising hydrocolloid, wherein the particles have a porosity of from 10 to 80 volume percent and a film forming binder.
2. The inkjet recording element of claim 1 wherein the continuous phase binder polymer comprises polymers formed from vinyl monomers, condensation monomers, condensation esters and mixtures thereof.
3. The inkjet recording element of claim 1 wherein the continuous phase binder polymer is selected from the group consisting of polyesters, and homo and copolymers of styrenes, monoolefins, vinyl esters, α-methylene aliphatic monocarboxylic acid esters, vinyl ethers and vinyl ketones.
4. The inkjet recording element of claim 1 wherein the Tg of said fusible polymeric particle is from about 40° C. to about 100° C.
5. The inkjet recording element of claim 1 wherein said film forming binder is selected from the group consisting of polyvinylpyrrolidone containing copolymers, vinylpyrrolidone containing copolymers, polyethyloxazoline containing copolymers, oxazoline containing copolymers, imidazole-containing polymers, polyacrylamides containing copolymers, acrylamide containing copolymers, poly(vinyl alcohol), vinyl-alcohol-containing copolymers, poly(vinyl methyl ether), poly(vinyl ethyl ether), poly(alkylene oxides), gelatin, cellulose ethers, poly(vinylacetamides), partially hydrolyzed poly(vinyl acetate/vinyl alcohol), poly(acrylic acid), polyesters, polystyrenes, casein, albumin, chitin, chitosan, dextran, pectin, collagen derivatives, collodian, agar-agar, arrowroot, guar, carrageenan, tragacanth, xanthan, rhamsan, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, methyl cellulose, or a poly(alkylene oxide), latexes, polyurethanes and condensates of alkoxysilanes or other metal sols.
6. The inkjet recording element of claim 1 wherein said film-forming binder comprises from about 2.5% to about 50 weight % image receiving layer.
7. The inkjet recording element of claim 1 wherein said image-receiving layer has a thickness of about 5 microns to about 100 microns.
8. The inkjet recording element of claim 1 wherein said support is selected from the group consisting of paper, synthetic paper, photographic paper support, melt-extrusion-coated paper, and polyolefin-laminated paper, such as biaxially oriented support laminate, glass, cellulose derivatives, polyesters, polyimides, polyamides, polycarbonates, polystyrene, polyolefins, polysulfones, polyacrylates and polyether imides.
9. The inkjet recording element of claim 1 further comprising a subbing layer disposed on said support.
10. The inkjet recording element of claim 1 further comprising an antistatic layer disposed on said support.
11. The inkjet recording element of claim 1 wherein the imaging layer further comprises filler particles, surfactants, lubricants, cross-linking agents or matte particles.
12. The inkjet recording element of claim 1 wherein the imaging layer further comprises pH modifiers, adhesion promoters, rheology modifiers, latexes, biocides, dyes, mordants, optical brighteners or whitening agents.
13. The inkjet recording element of claim 1 wherein the fusible polymer particles further comprise mordants.