Claims
- 1. A matting agent composition comprising silica and wax wherein the composition has a median particle size in the range of 2 to about 5 microns, a wax content in the range of about 18 to 30% by weight of the silica and the silica has a pore volume in the range of about 0.8 to 1.4 cc/g.
- 2. A matting agent composition according to claim 1 wherein the wax content is about 18-22% by weight.
- 3. A matting agent composition according to claim 2 wherein the silica has a pore volume in the range of about 0.9 to about 1.2 cc/g.
- 4. A matting agent composition according to claim 1 wherein the wax has a melting point in the range of 60-120° C.
- 5. A matting agent composition according to claim 1 wherein the wax has a melting point in the range of 60-90° C.
- 6. A matting agent composition according to claim 4 wherein the wax is paraffin and has a melting point in the range of 60-90° C.
- 7. A matting agent composition according to claim 1 wherein the silica has a pore volume in the range of about 0.9 to about 1.2 cc/g.
- 8. A coating composition comprising a radiation curable component and a matting agent component, the matting agent component having a median particle size in the range of 2-12 microns, a wax content in the range of about 18 to 30% by weight of the silica and a silica having a pore volume in the range of about 0.8 to 1.4 cc/g.
- 9. A coating composition according to claim 8 wherein the wax content is about 18-22% by weight.
- 10. A coating composition according to claim 8 wherein the wax has a melting point in the range of 60-120° C.
- 11. A coating composition according to claim 8 wherein the wax has a melting point in the range of 60-90° C.
- 12. A coating composition according to claim 8 wherein the median particle size of the matting agent component is about 2 to 5 microns.
- 13. A coating composition according to claim 8 wherein the silica has a pore volume in the range of about 0.9 to about 1.2 cc/g.
- 14. A coating composition according to claim 8 wherein the radiation curable component is curable by exposure to ultraviolet radiation.
- 15. A coating composition according to claim 8 wherein the radiation curable component is curable by election beam radiation.
- 16. A coating composition according to claim 8 further comprising a curing initiator.
- 17. A coating composition according to claim 8 wherein the radiation curable component comprises at least one acrylate-containing compound and the coating composition comprises matting agent component present in an amount of 2% by weight or less.
- 18. A coating composition according to claim 8 wherein the median particle size of the matting agent component is about 6 microns.
- 19. A substrate comprising a cured coating thereon, said coating comprising a radiation cured component and matting agent component, the matting agent component having a median particle size in the range of 2-12 microns, a wax content in the range of about 18 to 30% by weight of the silica and a silica having a pore volume in the range of about 0.8 to 1.4 cc/g.
- 20. A substrate according to claim 19, wherein the coating has a matting efficiency of about 20 gloss units or less at 60°.
- 21. A coated substrate comprising a substrate and coating thereon prepared by curing a composition comprising amine-modified polyether acrylate and wax-containing silica matting agent component present in an amount of about 12% by weight or less and the coating has a matting efficiency of about 60 gloss units or less at 60°.
- 22. A coating composition comprising a radiation curable component and a matting agent component, the matting agent component having a median particle size in the range of 2-12 microns, a wax content in the range of about 15 to 30% by weight of the silica and a silica having a pore volume in the range of about 0.8 to 1.4 cc/g wherein the radiation curable component comprises at least one acrylate-containing compound.
- 23. A coating composition according to claim 22 wherein the radiation curable component is curable by exposure to ultraviolet radiation.
- 24. A coating composition according to claim 22 wherein the radiation curable component is curable by electron beam reaction.
- 25. A coating composition according to claim 22 further comprising a curing initiator.
- 26. A coating composition according to claim 22 wherein the radiation curable component comprises at least one acrylate-containing compound and the coating composition comprises matting agent component present in an amount of 2% by weight or less.
- 27. A coating composition according to claim 22 wherein the median particle size of the matting agent component is about 6 microns.
- 28. A coated substrate comprising a substrate and a coating thereon prepared from a composition according to claim 22.
- 29. A coated substrate comprising a substrate and a coating thereon prepared from a composition of claim 22 and the coating has a matting efficiency of about 20 gloss units or less at 60°.
Parent Case Info
This application claims priority under 35 U.S.C. § 119 of the following provisional application Serial No(s). 60/129,007 and filing date(s) Apr. 13, 1999.
US Referenced Citations (11)
Foreign Referenced Citations (4)
Number |
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442325 |
Aug 1991 |
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541359 |
May 1993 |
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WO 9708250 |
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Provisional Applications (1)
|
Number |
Date |
Country |
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60/129007 |
Apr 1999 |
US |