Curable epoxy resin composition

Details Curable epoxy resin composition Curable epoxy resin composition

C - Chemistry, Metallurgy

08

G

402/250, 400/790

C08G 59/40 (2006.01) C09D 3/58 (1985.01)

Patent

CA 1257045

Curable epoxy resin composition Abstract of the Disclosure The invention relates to a substantially anhydrous composition containing (a) an epoxy resin, (b) as hardener for the epoxy resin, the product obtained (i) by finely homogenising (1) dicyandiamide and (2) urea by grin- ding (I) and (2) together or dissolving (1) and (2) in a common solvent, or (ii) by melting (1) and (2) together or (iii) by partially reacting (1) and (2) in a common solvent, the weight ratio of (1) to (2) being in the range from 4:1 to 1:4, and, optionally, (c) a curing accelerator. The compositions are suitable in particular for the preparation of coatings, preferably as powder coating compositions, and are distinguished by a very good relationship between levelling and reactivity, and the cured coatings have excellent stability to solvents and boiling water as well as excellent mechanical proper- ties.

510392

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