Anionic bituminous emulsions

Details Anionic bituminous emulsions Anionic bituminous emulsions

1976-01-27

1978-05-09

Welcome, Joan E.

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106278, 106283, 2523115, C08L 9500, G09D 324

Patent

active

040885054

ABSTRACT:
There is disclosed herein oil-in-water anionic bituminous emulsions which comprise from about 30% to about 75% by weight of the emulsion of bitumen as the dispersed phase, and from about 0.1% to about 10.0% by weight of an anionic emulsifier consisting of an alkali metal salt of an alkali lignin, an ethylene oxide adduct of phenol, and water in an amount to make up 100% by weight as the continuous phase. Additionally, improved pumping times are obtained with the addition of from 1% to about 10% by weight of sodium borate.

REFERENCES:
patent: 2080689 (1937-05-01), Bray et al.
patent: 2119732 (1938-06-01), Beckwith et al.
patent: 2216311 (1940-10-01), Davis et al.
patent: 3123569 (1964-03-01), Borgfeldt
patent: 3345193 (1967-10-01), Pitchford
patent: 3432320 (1969-03-01), Pitchford
patent: 3594201 (1971-07-01), Sommer et al.
patent: 3956002 (1976-05-01), Moorer

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