Viscosifiers for asphalt emulsions

Details Viscosifiers for asphalt emulsions Viscosifiers for asphalt emulsions

1988-02-08

1989-08-22

Yarbrough, Amelia Burgess

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

1062844, 10628406, 2523115, C08L 9500

Patent

active

048592455

ABSTRACT:
Bituminous emulsion viscosifiers are disclosed to be prepared by condensation of the residue obtained from the distillation of crude tall oil or tall oil derived fatty acids and resin acids (rosin) with various amines, which when added to the asphalt before emulsification produce emulsions of a higher viscosity than the emulsion prepared with the asphalt without the additive, at the same or reduced bitumen content.

REFERENCES:
patent: 4447269 (1984-05-01), Schreuders et al.
patent: 4464286 (1984-08-01), Schilling
patent: 4494992 (1985-01-01), Schilling et al.
Derwent Abstract Accession No. 86-002077/01, Hungarian Patent No. 35706, Jul. 29, 1985.

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