C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/02 (2006.01) C09D 7/12 (2006.01) C09D 109/02 (2006.01) C09D 133/00 (2006.01) C09D 133/14 (2006.01) C09D 139/04 (2006.01) C09D 157/00 (2006.01) C09D 157/12 (2006.01) C09D 201/02 (2006.01)
Patent
CA 2108492
ABSTRACT OF THE DISCLOSURE: This invention solves the problems encountered with conventional exterior coating compositions by providing an aqueous, exterior, quick-set coating composition having early washout resistance and dirt pick-up resistance. The invention is particularly useful as a binder used in a traffic paint and as a base coat and/or top coat in exterior insulation finishing systems. This invention also provides a method for improving the early washout resistance and dirt pick-up resistance of an aqueous, exterior, quick-set coating. The aqueous, exterior, quick-set coating composition of this invention requires four components: (1) a film forming latex polymer having anionic character; (2) an amine-containing polymer formed from at least 20% by weight monomer containing amine functional groups; (3) a volatile base; and (4) a water-soluble or water-dispersible multivalent metal. The method of improving the early washout resistance and dirt pick-up resistance of an aqueous, exterior, quick-set coating involves: (1) forming an coating composition containing: (a) an anionically stabilized latex polymer; (b) an amine-containing polymer; (c) a volatile base; and (d) a water-soluble or water-dispersible multivalent metal; and (2) applying the coating to a substrate.
Ci Xiaohong
Gowling Lafleur Henderson Llp
Rohm And Haas Company
LandOfFree
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