Patent ID: 7951427
Filing Date: 2011-05-31
Classification: C08K,C08L,C09D,Y10S,Y10T

Abstract:
1. A thermosetting powder composition containing a binder comprising: from 99 to 55 parts by weight, calculated on the total weight of polyesters, of at least one amorphous polyester (A) which comprises, with respect to the total amount of acids, from 50 to 100 mol % of isophthalic acid and optionally from 0 to 50 mol % of at least one other aliphatic, cycloaliphatic and/or aromatic polycarboxylic acid and, with respect to the total amount of alcohols, from 70 to 100 mol % of neopentyl glycol and optionally from 0 to 30 mol % of at least one other aliphatic and/or cycloaliphatic polyol, said amorphous polyester (A) having a number average molecular weight of from 1100 to 11500, and from 1 to 45 parts by weight, calculated on the total weight of polyesters, of at least one amorphous polyester (B) which comprises, with respect to the total amount of acids, from 75 to 100 mol % of at least one straight-chain saturated di-carboxylic aliphatic acid having from 4 to 14 carbon atoms and optionally from 0 to 25 mol % of at least one other aliphatic, cycloaliphatic and/or aromatic polycarboxylic acid and, with respect to the total amount of alcohols, from 75 to 100 mol % of at least one branched chain aliphatic diol and optionally from 0 to 25 mol % of at least one other aliphatic or cycloaliphatic polyol, said amorphous polyester (B) having a number average molecular weight of from 1100 to 17000.