| 摘要 |
The present invention discloses a multicolor paint formulation which is comprised of: (1) from about 5 to about 30 weight percent of a neutralized latex made by a method which comprises (A) free radical aqueous emulsion polymerizing at a pH of less than about 3.5 a monomer mixture which comprises, based on 100 weight percent monomers: (a) from about 45 to about 85 weight percent vinyl aromatic monomers, (b) from about 15 to about 50 weight percent of at least one alkyl acrylate monomer, and (c) from about 1 to about 6 weight percent of at least one unsaturated carbonyl compound; in the presence of about 0.5 to 4.0 phm at least one phosphate ester surfactant and in the presence of about 0.5 to 4.0 phm of at least one water insoluble nonionic surface active agent to produce a latex, and (B) neutralizing the latex with ammonia to a pH which is within the range of about 7 to about 10.5 to produce the neutralized latex; (2) from about 0.5 to about 10 weight percent of hectorite clay; (2) from about 0.5 to about 10 weight percent of hectorite clay; (3) from about 0.05 to about 1 weight percent of cellulosic thickener; (4) from about 0.5 to about 10 weight percent of at least two pigments; (5) from about 0.5 to about 10 weight percent of an organic solvent; (6) from about 0.05 to about 2 weight percent of a plasticizer; (7) from about 37 weight percent to about 93.4 weight percent water.
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