Aqueous surface coating material prepared by emulsion polymeriza

Details Aqueous surface coating material prepared by emulsion polymeriza Aqueous surface coating material prepared by emulsion polymeriza

1992-03-30

1993-04-20

Nutter, Nathan M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524732, 524733, 524734, 523200, 523205, C08L 100, C08L 300, C08K 500, C08K 900

Patent

active

052043886

ABSTRACT:
A water-based emulsion paint, for example, is formulated with high refractive index opacifying pigment particles, dispersant, and polymer particles in which substantially all of the pigment particles (40) are disjuncted from one another and contained within an attached cluster of polymer particles (41) or have appendant polymer particles to give opacifying units having a nodular outline. Preferably micro-voids are trapped between particles and the dispersant is less than 1% of the pigment by weight.

REFERENCES:
patent: 3544500 (1970-12-01), Osmond et al.
patent: 4391928 (1983-07-01), Herman et al.
patent: 4399237 (1983-08-01), Morrison, Jr.
patent: 4421660 (1983-12-01), Hajna
patent: 4572869 (1986-02-01), Wismer et al.
patent: 4608401 (1986-08-01), Martin
patent: 4609608 (1986-09-01), Solc
patent: 4771086 (1988-09-01), Martin
"TIOXID", Polymers Paint Color Journal, vol. 177, No. 4196, p. 517, Jul. 22, 1987.
"ROPAQUE", Polymers Paint Color Journal, vol. 177, No. 4196, Jul. 22, 2987, p. 514.

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