C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/688 (2006.01) C08G 63/20 (2006.01) C08G 69/44 (2006.01) C09D 167/00 (2006.01) C09D 177/12 (2006.01)
Patent
CA 2144847
Disclosed is a water-dissipatable or dispersible polyester containing sulfonate groups that has improved stability prepared from a monocarboxylic acid sulfomonomer. This polyester can be prepared in a one or two step process but the preferred two step process entails polymerizing the reactants wherein the monocarboxylic acid sulfomonomer has been pre-reacted with a mon- ofunctional reactant containing at least three hydroxyl groups to form a diol adduct.
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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