Claims
- 1. An ultraviolet radiation curable coating precursor for coating an MLS gasket, the coating precursor comprising:
an acrylated aliphatic urethane oligomer; an acrylated aromatic urethane oligomer; a mono-functional monomer for reducing viscosity of the coating precursor; a mono-functional monomer for building properties; a multi-functional monomer for increasing cross-link density; an adhesion promoter that includes a beta-carboxyethyl acrylate monomer and a urethane monacrylate monomer; and a photoinitiator.
- 2. The ultraviolet radiation curable coating precursor of claim 1, wherein one of said mono-functional monomers comprises an isobornyl acrylate monomer.
- 3. The ultraviolet radiation curable coating precursor of claim 2, wherein the other of said mono-functional monomers comprises an octyl/decyl acrylate monomer.
- 4. The ultraviolet radiation curable coating precursor of claim 1, wherein the multi-functional monomer is trimethylolpropane ethoxy triacrylate monomer.
- 5. The ultraviolet radiation curable coating precursor of claim 1, wherein the photoinitiator is a blend of 1-phenyl-2-hydroxy-2-methyl-1-propanone and benzophenone.
- 6. The ultraviolet radiation curable coating precursor of claim 1, wherein the coating precursor further comprises an air-release agent.
- 7. The ultraviolet radiation curable coating precursor of claim 6, wherein the air-release agent is a polydimethyl siloxane.
- 8. An ultraviolet radiation curable coating precursor for coating an MLS gasket, the ultraviolet radiation curable coating precursor comprising:
from about 2 wt. % to about 9 wt. % of an acrylated aliphatic urethane oligomer; from about 25 wt. % to about 40 wt. % of an acrylated aromatic urethane oligomer; from about 17 wt % to about 32 wt % of a blend of at least two mono-functional monomers for reducing viscosity of the coating precursor and building properties; from about 1 wt. % to about 3 wt. % of at least one multi-functional monomer for increasing cross-link density; an adhesion promoter that includes from about 5 wt. % to about 18 wt. % of a beta-carboxyethyl acrylate monomer and from about 5 wt. % to about 16 wt. % of a urethane monacrylate monomer; and from about 2.25 wt. % to 6.5 wt. % of a blend of at least two photoinitiators.
- 9. The ultraviolet radiation curable coating precursor of claim 8, wherein one of said mono-functional monomers includes at least an isobomyl acrylate monomer.
- 10. The ultraviolet radiation curable coating precursor of claim 9, wherein the other of said mono-functional monomers includes at least an octyl/decyl acrylate monomer.
- 11. The ultraviolet radiation curable coating precursor of claim 8, wherein the multi-functional monomer is trimethylolpropane ethoxy triacrylate monomer.
- 12. The ultraviolet radiation curable coating precursor of claim 8, wherein the photoinitiator is a blend of about 1.5 wt. % to about 4.5 wt. % 1-phenyl-2-hydroxy-2-methyl-1-propanone and of about 0.75 wt. % to about 2 wt. % of benzophenone.
- 13. The ultraviolet radiation curable coating precursor of claim 8, wherein the coating precursor further comprises an air-release agent.
- 14. The ultraviolet radiation curable coating precursor of claim 13, wherein the air-release agent is of about 0.25 wt. % to about 0.85 wt. % of a polydimethyl siloxane.
- 15. An MLS gasket comprising:
an interior metal layer disposed between a pair of exterior metal layers, each of the metal layers having first and second surfaces; and a coating precursor applied on at least one of the first and second surfaces of one or more of the metal layers, the coating precursor comprising:
an acrylated aliphatic urethane oligomer; an acrylated aromatic urethane oligomer; a mono-functional monomer for reducing viscosity of the coating precursor; a multi-functional monomer for increasing cross-link density; an adhesion promoter that includes a beta-carboxyethyl acrylate monomer and a urethane monacrylate monomer; and a photoinitiator.
- 16. The ultraviolet radiation curable coating precursor of claim 15, wherein the mono-functional monomer includes at least an isobornyl acrylate monomer.
- 17. The ultraviolet radiation curable coating precursor of claim 16, wherein the mono-functional monomer also includes includes at least an octyl/decyl acrylate monomer.
- 18. The ultraviolet radiation curable coating precursor of claim 15, wherein the multi-functional monomer is trimethylolpropane ethoxy triacrylate monomer.
- 19. The ultraviolet radiation curable coating precursor of claim 15, wherein the photoinitiator is a blend of 1-phenyl-2-hydroxy-2-methyl-1-propanone and benzophenone.
- 20. The ultraviolet radiation curable coating precursor of claim 15, wherein the coating precursor further comprises polydimethyl siloxane as an air release agent.
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application is a continuation-in-part of Ser. No. 10/230,813, filed Aug. 29, 2002, which is herein incorporated by reference in its entirety.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10230813 |
Aug 2002 |
US |
Child |
10652708 |
Aug 2003 |
US |