Claims
- 1. A release liner comprising:
a substrate having opposing surfaces; and, a radiation curable silicone release coating in an organic solvent absent a crosslinkable silicone hydride resin, coated onto a surface thereof, said coating comprising no more than about 1.5 micrograms per square centimeter total extractables.
- 2. The release liner of claim 1, wherein said coating comprises no more than about 0.9 micrograms per square centimeter total extractables.
- 3. The release liner of claim 2, wherein said coating comprises no more than about 0.2 micrograms per square centimeter total extractables.
- 4. The release liner of claim 1, wherein said coating further comprises no more than about 10 ppm volatile compounds.
- 5. The release liner of claim 4, wherein said coating comprises no more than about 2.0 ppm volatile compounds.
- 6. The release liner of claim 1, wherein said coating further exhibits substantially no transfer of uncured silicone to adjacent surfaces.
- 7. The release liner of claim 1, further comprising a second release coating on a surface of said substrate opposite said radiation cured silicone release coating.
- 8. The release liner of claim 7, wherein said second release coating also comprises no more than about 1.5 micrograms per square centimeter total extractables.
- 9. The release liner of claim 1, wherein said substrate comprises a polyolefin coated paper.
- 10. The release liner of claim 1, wherein said substrate comprises a polymer film.
- 11. The release liner of claim 10, wherein said polymer film comprises a film selected from the group consisting of polyolefin, polyester, polyvinyl chloride, polyamide, polystyrene, co-polyester, polycarbonate, and polyketone films.
RELATED APPLICATION
[0001] This application claims priority from U.S. Ser. No. 09/972,822, filed Oct. 5, 2001, which is a divisional from U.S. Ser. No. 09/239,208, filed Jan. 28, 1999, now U.S. Pat. No. 6,299,945.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09239208 |
Jan 1999 |
US |
Child |
09972822 |
Oct 2001 |
US |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
09972822 |
Oct 2001 |
US |
Child |
10657394 |
Sep 2003 |
US |