C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 3/20 (2006.01) C08J 3/07 (2006.01) C08L 57/04 (2006.01)
Patent
CA 2731742
There is provided a method of forming an aqueous composition, said method comprising (a) first, forming at least one aqueous polymer dispersion by a process comprising polymerizing a monomer mix comprising 5-50% by weight based on the weight of said monomer mix, of one or more carboxylic acid functional monomers; (b) second, adding to said aqueous polymer dispersion, ingredients comprising (i) 1 to 10 parts by weight of at least one swelling agent, based on 100 parts by weight of said monomer mix; and (ii) one or more nonionic surfactant, anionic surfactant, or mixture thereof; and (c) third, adding calcium cation or magnesium cation or a mixture thereof to said aqueous polymer dispersion.
Eldredge Josephine Louise
Mercando Paul
Tysak Theodore
Gowling Lafleur Henderson Llp
Rohm And Haas Company
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