Synthetic resin binders for coatings and printing colours

Details Synthetic resin binders for coatings and printing colours Synthetic resin binders for coatings and printing colours

C - Chemistry, Metallurgy

08

L

117/196, 400/460

C08L 77/06 (2006.01) C08L 63/00 (2006.01) C09D 11/10 (2006.01) C09D 163/00 (2006.01)

Patent

CA 1117234

308166 ABSTRACT OF THE INVENTION The invention is concerned with synthetic resin mixtures comprising (A) an adduct of an excess of a solid polyaminoamide and an epoxy resin, and (B) an adduct of an excess of an epoxy resin and a solid polyaminoamide, the polyaminoamides in components (A) and (B) having an amine number of 30 to 200 and being obtained from dicarboxylic acids having 6 to 13 carbon atoms, optionally in admixture with other carboxylic acids, and certain diamines, op- tionally in admixture with other amines. The synthetic resin mixtures are used as binding agents for surface coatings and printing colours for both rapidly opera- ting rotary printing machines and slowly operating printing pro- cesses. They are soluble in alcohol/ethyl acetate mixtures free from aromatic substances and are therefore environmentally toler- able, are suitable for sensitive printing processes, and immediately after evaporation of solvent they are surface dry so that they can be printed from roll to roll without difficulty.

308166

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