C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 57/00 (2006.01) C08F 2/22 (2006.01) C08F 265/06 (2006.01) C09D 5/02 (2006.01) C09D 151/00 (2006.01) C09D 157/00 (2006.01) C09G 1/04 (2006.01) C09J 151/00 (2006.01) C09J 157/00 (2006.01)
Patent
CA 2122310
Abstract of the Disclosure This invention is directed to a multi-staged latex useful for improving the water whitening resistance of aqueous coating compositions. In particular, the multi-staged latex comprises from about 50 to about 95 percent by weight of at least one first polymer stage having a Tg from about 0°C to about -30°C and from about 5 to about 50 percent by weight of at least one second polymer stage having a Tg from about 0°C to about 80°C, and wherein a film formed from the multi- staged latex has improved water whitening resistance. The multi-staged latex of this invention may be used to formulate a variety of aqueous coating compositions, such as for example, sealers, renderings, caulks, sealants, adhesives, floor polishes, and the like. Also disclosed is a process for making the multi-staged latex.
de Grandpre Mark P.
Demarest Victoria A.
Winey Donald A.
Ziemann Otto C.
Gowling Lafleur Henderson Llp
Rohm And Haas Company
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