C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 57/00 (2006.01) C09D 5/02 (2006.01) C09D 11/10 (2006.01) C09D 133/12 (2006.01) C09D 151/00 (2006.01) C09G 1/04 (2006.01) C09K 3/10 (2006.01) D21H 19/12 (2006.01) C08L 51/00 (2006.01)
Patent
CA 2114711
Abstract of the Disclosure This invention relates to a blend of at least two emulsion polymers. In particular, the emulsion polymer blend comprises from 95 to 40 percent by weight of at least one first latex and from 5 to 60 percent by weight of at least one second latex, wherein the first latex is multi-stage comprising from 95 to 50 percent by weight of at least one soft stage polymer having a Tg less than 50°C and from 5 to 50 percent by weight of at least one hard stage polymer having a Tg from about 20°C to about 160°C, and wherein the second latex is not an ambient temperature film-forming polymer. The emulsion polymer blend of this invention can be used to formulate a variety of aqueous coating compositions, such as for example, paints, mastics, caulks, sealants, varnishes, floor polishes, and the like. The emulsion polymer blend of this invention is also useful for formulating an aqueous coating composition which is coalescent-free.
Gowling Lafleur Henderson Llp
Rohm And Haas Company
LandOfFree
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