C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
117/200, 400/915
C08K 7/00 (2006.01) C08L 9/08 (2006.01) C09D 5/08 (2006.01) C09D 3/733 (1985.01)
Patent
CA 1207480
ABSTRACT OF THE DISCLOSURE An improved, water based, undercoating composition, primarily designed for undercoating of vehicles to prevent corrosion. It is a budadiene-styrene based polymer latex com- position which contains from about 5% to about 20% by weight of mica as a filler and flattener which provides an effective moisture barrier and also functions to prevent premature gell- ing of the composition in combination with a sufficient amount of ammonium hydroxide to provide a composition pH within the range of 7.5 to 10.0 and, in addition, to provide enhancement of anti-foaming properties of the composition. The balance comprises small but effective amounts of minors such as a wetting agent, a defoaming agent, a dispersing agent, pigment, viscosity modifiers, and water. Also disclosed is a solvent based, styrene butadiene coating.
375868
Chapman Enterprises Corp.
Ridout & Maybee Llp
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