Title:
COATING COMPOSITE
Document Type and Number:
Japanese Patent JPS52141840
Kind Code:
A
Abstract:
Pigmented coating compositions having improved opacity and film strength comprise an aqueous latex of film-forming resin binder, a non-solvent for the resin binder of sufficiently low volatility to produce, upon first removing water from a film of the coating composition and secondly removing said non-solvent, a continuous non-porous microcellular film having minute discrete substantially closed voids, non-film-forming granules of a polymer which is not dissolved by the non-solvent, and pigment and/or extender, which may be present in the latex or the non-solvent or the polymer granules. The polymer granules may be spheroidal beads or aggregates. The non-solvent and the polymer granules alleged to act synergistically to improve the opacity of the paint.
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Inventors:
UIRIAMU TOMASU ERIOTSUTO
Application Number:
JP5171877A
Publication Date:
November 26, 1977
Filing Date:
May 04, 1977
Export Citation:
Assignee:
BERGER JENSON & NICHOLSON LTD
International Classes:
C09D5/02; C09D7/00; C09D5/00; (IPC1-7): C08J3/02; C09D5/02