Epoxy powder coating with wrinkle finish
AssigneeMorton International, Inc.
InventorsOwen H. Decker, David A. Mountz, Warren G. Duncan
Life of this patent
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Abstract
Powdered coating compositions and methods for obtaining improved wrinkled finishes with epoxy powder coatings are provided which utilize curing agents other than commercially available methylenedisalicylic acid.
Claims13
A powdered coating composition adapted to provide a wrinkled finish, said composition comprising an epoxy resin, a catalyst and a curing agent, wherein said curing agent comprises methylenedisalicylic acid, wherein the methylenedisalicylic acid conventionally contains an amount of sulfuric acid which is neutralized with a cationic/base material to have a cation to sulfur equivalent ratio of at least about 0.4 and no more than about 3.
A method comprising the step of:
- contacting a suspension of methylenedisalicylic acid conventionally containing an amount of sulfuric acid, with a cationic/base material to form a modified suspension having a cation to sulfur equivalent ratio of at least about 0.4 and no more than about 3.
Dependencies are inferred from the claim text.