Claims
- 1. Radiation-curable varnishes, characterized in that they contain no amino resin and comprise
- A) from 18 to 99.9% by weight of an acrylate selected from the group consisting of epoxy acrylates, polyether acrylates, polyester acrylates, and mixtures thereof,
- B) from 0.1 to 5.0% by weight of a compound selected from the group consisting of Bronsted acids, acid anhydrides, and mixtures thereof,
- C) from 0 to 12% by weight of a photoinitiator, or of a mixture of photoinitiators
- D) from 0 to 40% by weight of a solvent selected from the group consisting of water, organic solvents and mixtures thereof,
- E) from 0 to 10% by weight of a polyol having from 2 to 50 carbon atoms in the molecule selected from the group consisting of ethoxylated and propoxylated polyols and mixtures thereof; and
- F) from 0 to 30% by weight of other auxiliaries and additives,
- wherein all percents by weight are based on the total weight of the varnish and the varnish is an intimately mixed single-component composition.
- 2. Radiation-curable varnishes according to claim 1, wherein component A) is selected from the group consisting of epoxy acrylates, polyether acrylates, and mixtures thereof.
- 3. Radiation-curable varnishes according to claim 1, wherein component B) is selected from the group consisting of phosphoric acid, citric acid, para-toluenesulfonic acid, maleic acid, maleic anhydride and mixtures thereof.
- 4. The radiation curable varnish of claim 1, wherein polyol E has from 4 to 20 carbon atoms in the molecule selected from the group consisting of ethoxylated and propoxylated polyols and mixtures thereof.
Priority Claims (1)
Number |
Date |
Country |
Kind |
44 13 242 |
Apr 1994 |
DEX |
|
Parent Case Info
This application is a divisional of Ser. No. 08/727,384, filed on Oct. 15, 1996, now U.S. Pat. No. 5,830,573, which is hereby incorporated by reference.
US Referenced Citations (11)
Foreign Referenced Citations (4)
Number |
Date |
Country |
0 216 269 A2 |
Sep 1986 |
EPX |
0 562 860 A1 |
Mar 1993 |
EPX |
42 28 401 A1 |
Aug 1992 |
DEX |
2 229 965 |
Oct 1990 |
GBX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
727384 |
Oct 1996 |
|