POWDER COATING COMPOSITIONS CONTAINING AN EPOXIDE RESIN AND AN ACID HARDENER

摘要

ABSTRACT OF THE DISCLOSUREPowder coating compositions comprises an epoxide resin and acarboxylic acid of formulawhereR1 represents a phenylene or naphthylene group or a groupcomprising 2 or 3 phenylene radicals linked by one or two carbon-carbonbonds, ether oxygen atoms, sulfur atoms, or sulfonyl, sulfoxide,carbonyl or alkylene groups,R2 represents a saturated alkyl group, a benzenoid group or anaralkyl group, andboth n are the same and represent zero or 1.