Process for preparing low molecular weight water-soluble polymer

Details Process for preparing low molecular weight water-soluble polymer Process for preparing low molecular weight water-soluble polymer

1982-09-13

1984-05-29

Henderson, C. A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526287, 5263031, 526317, 5262922, 5263076, C08F 216, C08F 238

Patent

active

044516282

ABSTRACT:
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.

REFERENCES:
patent: 3202641 (1965-08-01), Nakajima et al.
patent: 3203938 (1965-08-01), Baechtold
patent: 3779917 (1973-12-01), Norton et al.
patent: 4024040 (1977-05-01), Phalangas et al.
patent: 4037040 (1977-07-01), Trapasso et al.
patent: 4058509 (1977-11-01), Menand et al.
patent: 4126603 (1978-11-01), Lorenz et al.

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