Coating compositions for forming toner coatings
View Patent ↗The present invention provides coating compositions for forming a toner coating on a substrate containing a polymer comprising: (a) a N-vinyl amide monomer, (b) a vinyl acetate monomer, and (c) a solvent. The coating compositions may further comprise an additional hydrophobic monomer moiety. The present invention further provides coating compositions for forming a toner coating on a substrate containing a polymer comprising: (a) a N-vinyl amide monomer, (b) a styrene monomer, and (c) a solvent. The present invention further provides toner substrates coated with the coating compositions.
1. A toner coating composition on a substrate containing a polymer comprising: (a) a N-vinyl amide monomer, (b) a vinyl acetate monomer, and (c) a solvent; wherein the toner coating composition is suitable for fusing to a toner at temperatures between 50° C. and 175° C.; with the proviso that the toner coating composition is not a print receptive coating or an inkjet coating.
2. The coating composition according to claim 1 , wherein the N-vinyl amide monomer is selected from the group consisting of N-vinyl pyrrolidone, N-vinyl valerolactam, N-vinyl caprolactam, hydroxyethylpyrrolidone methacrylate, and N-vinyl formamide.
3. The coating composition according to claim 1 , wherein (a) is 0.1-80%, (b) is 1-80%, and (c) is to 100%, by weight.
4. The coating composition according to claim 1 , wherein the polymer is N-vinyl pyrrolidone-co-vinyl acetate or n-vinyl caprolactam-co-vinyl acetate.
5. The coating composition according to claim 4 , wherein the polymer is N-vinyl pyrrolidone-co-vinyl acetate.
6. The coating composition according to claim 1 , further comprising (d) a binder, (e) a pigment, and (f) a surfactant.
7. The coating composition according to claim 1 , further comprising an additional hydrophobic monomer moiety.
8. The coating composition according to claim 7 , wherein the additional hydrophobic moiety comprises a C 1 -C 20 alkyl acrylate monomer.
9. The coating composition according to claim 8 , wherein the acrylate monomer is selected from the group consisting of stearyl acrylate, butyl acrylate, octyl acrylate, decyl acrylate, and lauryl (meth)acrylate.
10. The coating composition according to claim 9 , wherein the acrylate monomer is stearyl acrylate.
11. The coating composition according to claim 10 , wherein the polymer is N-vinyl caprolactam/vinyl acetate/stearyl acrylate.
12. The coating composition according to claim 1 , having a solids content of from about 15 to about 50% and a viscosity of about 200-3000 cps.
13. The coating composition according to claim 1 , wherein the composition is in the form of an aqueous dispersion.
14. A toner substrate coated with a coating composition containing a polymer comprising: a polymer comprising: (a) a N-vinyl amide monomer, (b) a vinyl acetate monomer, and (c) a solvent; wherein the toner coating composition is suitable for fusing to a toner at temperatures between 50° C. and 175° C.; with the proviso that the toner coating composition is not a print receptive coating or an inkjet coating.
15. A toner coating composition on a substrate containing a polymer comprising: (a) a N-vinyl amide monomer, (b) a styrene monomer, and (c) a solvent; wherein the toner coating composition is suitable for fusing to a toner at temperatures between 50° C. and 175° C.; with the proviso that the toner coating composition is not a print receptive coating or an inkjet coating.
16. The coating composition according to claim 15 , wherein the N-vinyl amide monomer is selected from the group consisting of N-vinyl pyrrolidone, N-vinyl valerolactam, N-vinyl caprolactam, hydroxyethylpyrrolidone methacrylate, and N-vinyl formamide.
17. The coating composition according to claim 15 , wherein (a) is 0.1-70%, (b) is 1-80%, and (c) is to 100%, by weight.
18. The coating composition according to claim 15 , further comprising (d) a binder, (e) a pigment, and (f) a surfactant.
19. The coating composition according to claim 15 , wherein the polymer is N-vinyl pyrrolidone-co-styrene.
20. The coating composition according to claim 15 , having a solids content of from about 15 to about 50% and a viscosity of about 200-3000 cps.
21. The coating composition according to claim 15 , wherein the composition is in the form of an aqueous dispersion.
22. A toner coated substrate coated with a toner coating composition containing a polymer comprising: (a) a N-vinyl amide monomer, (b) a styrene monomer, and (c) a solvent; wherein the toner coating composition is suitable for fusing to a toner at temperatures between 50° C. and 175° C.; with the proviso that the toner coating composition is not a print receptive coating or an inkjet coating.
23. A flexible food package substrate coated with a toner coating composition containing a polymer comprising: (a) a N-vinyl amide monomer, (b) a vinyl acetate monomer, and (c) a solvent; wherein the toner coating composition is suitable for fusing to a toner at temperatures between 50° C. and 175° C.; with the proviso that the toner coating composition is not a print receptive coating or an inkjet coating.
24. A flexible food package substrate coated with a toner coating composition containing a polymer comprising: (a) a N-vinyl amide monomer, (b) a styrene monomer, and (c) a solvent; wherein the toner coating composition is suitable for fusing to a toner at temperatures between 50° C. and 175° C.; with the proviso that the toner coating composition is not a print receptive coating or an inkjet coating.