POWDER PAINT BINDER COMPOSITION

摘要

THE INVENTION RELATES TO A RADIATION-CURABLE BINDER COMPOSITION FOR POWDER PAINT FORMULATIONS.THE BINDER COMPOSITION COMPRISES: a)A SOLID POLYMER WITH AN AMOUNT OF UNSATURATION OF BETWEEN 300 AND 1800 G PER MOLE OF UNSATURATED GROUP (WPU) AND WITH A MOLECULAR WEIGHT (MN) OF BETWEEN 800 AND 5000 G PER MOLE AND b)A CROSSLINKER COMPRISING UNITS OF A PREPOLYMER HAVING A MOLECULAR WEIGHT (MN) HIGHER THAN 400 AND UNITS OF A VINYL ETHER OR AN UNSATURATED ALCOHOL, THE NUMBER OF POLYMERIZABLE UNSATURATIONS OF THE CROSSLINKER BEING HIGHER THAN OR EQUAL TO 2.