Gloss emulsion paints
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United States of America Patent
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-
Sep 14, 1999
Grant Date -
N/A
app pub date -
Dec 19, 1995
filing date -
Jan 11, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An aqueous gloss emulsion paint comprises a dispersion of structured composite particles, said structured particles comprising an association of particles of inorganic pigment and polymeric particles. The polymeric particles are formed from a polymer or copolymer having a minimum film forming temperature not greater than 50.degree. C. The component particles of the composite particles are held in association as a result of surface charges on the particles said surface charges on the polymeric particles being of opposite sign to the surface charge on the particles of inorganic pigment. The ratio of polymeric particles to particles of inorganic pigment in the composite particles is from 0.5:1 to 6:1 by volume.
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