Bisulfite terminated oligomers as dispersing agents

Details Bisulfite terminated oligomers as dispersing agents Bisulfite terminated oligomers as dispersing agents

C - Chemistry, Metallurgy

07

C

260/503.7

C07C 143/12 (1980.01)

Patent

CA 1100992

ABSTRACT OF THE DISCLOSURE This invention relates to the use of bisulfite- terminated oligomers as dispersants for solid particulate matter, i.e., low molecular weight bisulfite-terminated polymers containing carboxylate groups and either cyano or carbomethoxy moieties are improved dispersants for solid particulate matter like pigments such as titanium dioxide, clay, calcium carbonate, talc, and zinc oxide, as well as for organic pigments. Particularly, these dispersants have been round useful for stabilizing paper coating compositions.

285740

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