Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1979-06-04
1981-08-11
Michl, Paul R.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C08L 3302
Patent
active
042833205
ABSTRACT:
An opacified latex paint comprising small particle film-forming latex binders in combination with minor amounts of opacifying pigment, and substantial amounts of non-film-forming polymeric particles (plastic pigment) provides a semi-gloss latex paint composition having excellent hard enamel surfaces along with desirable film integrity properties. The plastic pigment particles are between about 0.1 and 0.5 microns and contain 0.2 to 2% copolymerized monomers containing carboxylic acid groups. The semi-gloss plastic pigment latex paint is compounded at pigment-volume-content (PVC) between about 30% and 45% and considerably higher than conventional high quality enamel latex paints. The opacified semi-gloss paint films exhibit excellent physical properties such as hard enamel surfaces, scrub resistance, burnish resistance, mar resistance, stain resistance, and other desirable paint film integrity properties.
REFERENCES:
patent: 2889236 (1959-06-01), Hahn
patent: 3423351 (1969-01-01), Pierce
patent: 3819542 (1974-06-01), Kreider
patent: 3891591 (1975-06-01), Chang
patent: 4069186 (1978-01-01), Ramig
Carroll Howard E.
Sweitzer Gerald M.
Michl Paul R.
Schmitz Thomas M.
SCM Corporation
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