Bitumen emulsion, process for its preparation, breaking additive

Details Bitumen emulsion, process for its preparation, breaking additive Bitumen emulsion, process for its preparation, breaking additive

1991-12-02

1993-10-26

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

252312, C09D19500

Patent

active

052561950

ABSTRACT:
A bitumen emulsion of anionic or cationic type having a breaking additive is disclosed. The breaking additive comprises a water-in-oil emulsion wherein an aqueous solution of a substance which has a neutralizing effect upon the bitumen emulsion when added thereto is dispersed in an oil continuous phase.
The bitumen emulsion is prepared by

REFERENCES:
patent: 3257231 (1966-06-01), McEachran et al.
patent: 3513005 (1970-05-01), Bradshaw et al.
patent: 4745154 (1988-05-01), Ruffner
patent: 4786679 (1988-11-01), Wetegrove et al.

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