Block or graft copolymers and their use as surfactants

Details Block or graft copolymers and their use as surfactants Block or graft copolymers and their use as surfactants

1978-07-03

1980-05-20

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 6526, C08L 6700

Patent

active

042038774

ABSTRACT:
Block or graft copolymers useful as surfactants in oil/water systems are described. The copolymers comprise at least two polymeric components of molecular weight at least 500 which are derived from an oil-soluble complex monocarboxylic acid and a polymeric component of molecular weight at least 500 which is derived from a water-soluble polyalkylene glycol. The copolymers may be either oil-soluble or water-soluble depending on their composition and may be used as wetting agents, dispersing agents, emulsifiers or emulsion stabilizers. The oil-soluble copolymers, and their blends with low molecular weight conventional surfactants, are of particular interest for the emulsification of water in hydrocarbon fuel oils.

REFERENCES:
patent: 3808133 (1974-04-01), Brown
patent: 3847851 (1974-11-01), Tugukuni et al.
patent: 3980734 (1976-09-01), Burg et al.
Chemical Abstracts, vol. 86, 1977, p. 74,879r.

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