Water-soluble polymers of controlled low molecular weight

Details Water-soluble polymers of controlled low molecular weight Water-soluble polymers of controlled low molecular weight

C - Chemistry, Metallurgy

08

F

402/321

C08F 28/02 (2006.01) C08F 228/02 (2006.01) C08F 246/00 (2006.01) C09K 8/035 (2006.01)

Patent

CA 1218498

ABSTRACT OF THE DISCLOSURE This invention provides a process for preparing water- soluble polymers with a controlled low molecular weight, the molecular weight of the polymer being controlled by the presence of a calculated quantity of methallylsulfonate monomer during the polymerization reaction. The molecular weight of the polymer varies inversely with the quantity of methallylsulfonate monomer that is present. Low molecular weight water-soluble polymers are useful as oil well drilling additives, dispersants and the like.

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