UV-light hardening acrylate ester compsns. - contg. benzoin derivs. as photo-initiators, giving improved stability in dark

• Main Authors: HEINE, HANS-GEORG, TRAENCKNER, HANS-JOACHIM, ROSENKRANZ, HANS-JUERGEN, RUDOLPH, HANS
• Format: Patent
• Language: English; German
• Published: 02.01.1976
• Edition: 2
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

Compsns. contg. (A) 20-99.5 wt. % reaction prod. of at least one polyepoxide with more than one epoxide gp. per molecule and (meth)acrylic aciw with 0.6-1 COOH gps. per epoxide gp. and (B) 0-79.5 wt. % polyfunctional (meth)acrylate ester, with (C) 0.5-20% based on (A+B) photoinitiator consisting of...