Patent ID: 6133384
Filing Date: 2000-10-17
Classification: C08G,C09D,Y10S

Abstract:
In a powdered coating composition adapted to provide a wrinkled finish, said composition comprising an epoxy resin, and a curing agent, the improvement characterized in that the curing agent is a mixture of:a blocked Lewis acid;methylenedisalicylic acid;a ring-substituted homolog thereof having a general structure according to the formula ##STR4## wherein x and y are from 1 to 3, and R.sup.1 and R.sup.2 are, independently, hydrogen, alkyl groups at least one of R.sup.1 and R.sup.2 .noteq.hydrogen having from 1 to 20 carbon atoms, aryl groups having from 6 to 10 carbon atoms, or aryl-substituted methylene groups at least one of R.sup.1 and R.sup.2 .noteq.hydrogen; with the proviso that when x=y=3, R.sup.1 and R.sup.2 .noteq.hydrogen;wherein the ratio of methylene disalicylic acid and the ring-substituted homolog is from about 50:50 to about 2:98 by weight.