Coating processes – Nonuniform coating – Wrinkled or crackled coating
Patent
1983-12-05
1985-08-20
Page, Thurman K.
Coating processes
Nonuniform coating
Wrinkled or crackled coating
4273855, 4273882, 4273883, 4273884, B05D 500, B05D 302
Patent
active
045364206
ABSTRACT:
A process and composition which produces a permanently water wettable, abrasion-resistant film on a surface is disclosed. The composition comprises a mixture of an aqueous colloidal dispersion of carboxylic acid functional polymer; an aqueous colloidal dispersion of surface hydroxylated silica, the amount of hydroxylated silica to carboxylic acid functional polymer being sufficient to cause the formation of canals in the cured film; an amine to render the carboxylic acid functional polymer water soluble; a curing agent for the carboxylic acid functional polymer; an optionally, a wetting agent. In the process, the composition is applied to a surface to form a film, and the film is dried and/or heated at a temperature sufficient to harden or cure the film. A preferred carboxylic acid functional polymer is acrylic resin .
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General Electric Company
Page Thurman K.
Reams Radford M.
Weidner Frederick P.
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