C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/91 (2006.01) C08F 8/36 (2006.01) C08G 63/688 (2006.01) C08G 65/32 (2006.01) C08G 69/42 (2006.01) C08G 69/48 (2006.01)
Patent
CA 2222105
Disclosed is a process for producing water-dispersible polymers, particluarly condensation polymers such as polyesters, polyethers and polyamindes, by forming an ethylenically unsaturated polymeric precursor by condensation polymerization of reactants including ethylenically unsaturated reactants and then sulfonating the ethylenic unsaturation of said polymeric precursor by reacting it with a sulfonating agent such as bisulfite, metabisulfite, or a mixture thereof.
On divulgue un procédé pour produire des polymères dispersibles dans l'eau, particulièrement des polymères obtenus par condensation comme des polyesters, polyéthers et polyamides, en formant un précurseur polymérique éthyléniquement insaturé par polymérisation par condensation de réactants comprenant des réactants éthyléniquement insaturés et par sulfonation dudit précurseur polymérique à insaturation éthylénique en le faisant réagir avec un agent de sulfonation comme le bisulfite, le métabisulfite ou un mélange de ces derniers. .
Mcfadden Fincham
Witco Corporation
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