Claims
- 1. A method for minimizing contaminant build-up in a printer caused by extended printing of adhesive labels, comprising:repeatedly passing through the printer a PSA label comprising: (a) a paper or film facestock having an inner surface and an outer surface; (b) an adhesive coating of (i) an FSA layer comprising a first emulsion acrylic PSA in contact with the inner surface of the facestock, and (ii) an LSA layer comprising a second emulsion acrylic PSA, different from the first acrylic PSA, in contact with the FSA; and (c) a release liner.
- 2. A method according to claim 1, wherein the adhesive coating has a coat weight of about 17 to 19 g/m2.
- 3. A method according to claim 1, wherein the FSA layer is at least twice as thick as the LSA layer.
- 4. A method according to claim 1, wherein the PSA label exhibits a loop tack value of at least about 4.0 N/25 mm at 5° C. on a polyethylene substrate.
- 5. A method according to claim 1, wherein the PSA label exhibits a loop tack value of at least about 6.0 N/25 mm at 5° C. on a polyethylene substrate.
- 6. A method according to claim 1, wherein the adhesive coating has a haze value of less than about 60% at room temperature.
- 7. A method according to claim 1, wherein the adhesive coating has a haze value of less than about 45% at room temperature.
- 8. A method according to claim 1, wherein the facestock is a clear film facestock.
- 9. A method according to claim 1, further comprising the step of matrix-stripping the PSA label prior to passing it through the printer.
- 10. A method according to claim 1, wherein the adhesive coating has a coat weight of less than about 26 g/m2.
- 11. A method according to claim 1, wherein the thickness of the FSA layer is greater than or equal to the thickness of the LSA layer.
- 12. A method according to claim 1, where in the FSA layer has a coat weight of about 10 to 14 g/m2, and the LSA layer has a coat weight of about 5 to 7 g/m2.
- 13. A method according to claim 1, wherein the adhesive coating has a flow of less than about 50 μm at room temperature.
- 14. A method according to claim 1, wherein the adhesive coating has a flow of less than about 45 μm at room temperature.
- 15. A method according to claim 1, wherein the adhesive coating has a flow of less than out 40 μm at room temperature.
- 16. A method according to claim 1, wherein the PSA label exhibits a loop tack value of at least about 3.5 N/25 mm at 5° C. on a polyethylene substrate.
- 17. A method for minimizing contaminant build-up in a printer caused by extended printing of adhesive labels, comprising:passing through the printer at least one PSA label, each PSA label comprising: (a) a paper or film facestock having an inner surface and an outer surface; (b) an adhesive coating of (i) an FSA layer comprising a first emulsion acrylic PSA in contact with the inner surface of the facestock, and (ii) an LSA layer comprising a second emulsion acrylic PSA, different from the first acrylic PSA, in contact with the FSA; and (c) a release liner.
- 18. A method according to claim 17, wherein the adhesive coating has a coat weight of about 17 to 19 g/m2.
- 19. A method according to claim 17, wherein the FSA layer is at least twice as thick as the LSA layer.
- 20. A method according to claim 17, wherein the PSA label exhibits a loop tack value of at least about 4.0 N/25 mm at 5° C. on a polyethylene substrate.
- 21. A method according to claim 17, wherein the PSA label exhibits a loop tack value of at least about 6.0 N/25 mm at 5° C. on a polyethylene substrate.
- 22. A method according to claim 17, wherein the adhesive coating has a haze value of less than about 60% at room temperature.
- 23. A method according to claim 17, wherein the adhesive coating has a haze value of less than about 45% at room temperature.
- 24. A method according to claim 17, wherein the facestock is a clear film facestock.
- 25. A method according to claim 17, further comprising the step of matrix-stripping the PSA label prior to passing it through the printer.
- 26. A method according to claim 17, wherein the adhesive coating has a coat weight of less than about 26 g/m2.
- 27. A method according to claim 17, wherein the thickness of the FSA layer is greater than or equal to the thickness of the LSA layer.
- 28. A method according to claim 17, wherein the FSA layer has a coat weight of about 10 to 14 g/m2, and the LSA layer has a coat weight of about 5 to 7 g/m2.
- 29. A method according to claim 17, wherein the adhesive coating has a flow of less than about 50 μm at room temperature.
- 30. A method according to claim 17, wherein the adhesive coating has a flow of less than about 40 μm at room temperature.
- 31. A method according to claim 17, wherein the PSA label exhibits a loop tack value of at least about 3.5 N/25 mm at 5° C. on a polyethylene substrate.
- 32. A method for minimizing contaminant build-up in a printer caused by extended printing of adhesive labels, comprising:passing through the printer at least one PSA label, each PSA label comprising: (a) a paper or film facestock having an inner surface and an outer surface; (b) an adhesive coating of (i) an FSA layer comprising a first emulsion acrylic PSA in contact with the inner surface of the facestock, and (ii) an LSA layer comprising a second emulsion acrylic PSA, different from the first acrylic PSA, in contact with the FSA; and (c) a release liner; and matrix-stripping the PSA label prior to passing it through the printer.
- 33. A method according to claim 32, wherein the adhesive coating has a coat weight of about 17 to 19 g/m2.
- 34. A method according to claim 32, wherein the FSA layer is at least twice as thick as the LSA layer.
- 35. A method according to claim 32, wherein the PSA label exhibits a loop tack value of at least about 4.0 N/25 mm at 5° C. on a polyethylene substrate.
- 36. A method according to claim 32, wherein the PSA label exhibits a loop tack value of at least about 6.0 N/25 mm at 5° C. on a polyethylene substrate.
- 37. A method according to claim 32, wherein the adhesive coating has a haze value of less than about 60% at room temperature.
- 38. A method according to claim 32, wherein the adhesive coating has a haze value of less than about 45% at room temperature.
- 39. A method according to claim 32, wherein the facestock is a clear film facestock.
- 40. A method according to claim 32, wherein the adhesive coating has a coat weight of less than about 26 g/m2.
- 41. A method according to claim 32, wherein the thickness of the FSA layer is greater than or equal to the thickness of the LSA layer.
- 42. A method according to claim 32, wherein the FSA layer has a coat weight of about 10 to 14 g/m2, and the LSA layer has a coat weight of about 5 to 7 g/m2.
- 43. A method according to claim 32, wherein the adhesive coating has a flow of less than about 50 μm at room temperature.
- 44. A method according to claim 32, wherein the adhesive coating has a flow of less than about 40 μm at room temperature.
- 45. (New) A method according to claim 32, wherein the PSA label exhibits a loop tack value of at least about 3.5 N/25 mm at 5° C. on a polyethylene substrate.
CROSS-REFERENCE TO RELATED APPLICATION
This application claims priority of U.S. Provisional Patent Application No. 60/112,521, filed Dec. 15, 1998, the entire disclosure of which is incorporated herein by reference.
US Referenced Citations (34)
Foreign Referenced Citations (17)
Number |
Date |
Country |
56053166 |
May 1981 |
JP |
6001958 |
Jan 1994 |
JP |
7003218 |
Jan 1995 |
JP |
95108143 |
Aug 1995 |
TW |
95108145 |
Aug 1995 |
TW |
8803477 |
May 1988 |
WO |
9118739 |
Dec 1991 |
WO |
9308239 |
Apr 1993 |
WO |
9403550 |
Feb 1994 |
WO |
9514746 |
Jun 1995 |
WO |
9608230 |
Mar 1996 |
WO |
9608367 |
Mar 1996 |
WO |
96 08369 |
Mar 1996 |
WO |
96 08539 |
Mar 1996 |
WO |
9733748 |
Sep 1997 |
WO |
9844064 |
Oct 1998 |
WO |
0036042 |
Jun 2000 |
WO |
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/112521 |
Dec 1998 |
US |