Bituminous cationic emulsion

Details Bituminous cationic emulsion Bituminous cationic emulsion

1975-01-16

1977-02-08

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

252314, 106277, B01J 1300

Patent

active

040071278

ABSTRACT:
The novel cationic emulsions of this invention contain 50 to 75% by weight in water of bitumen, such as asphalt, coal tar and the like or a mixture of different bitumens, and emulsifying system preferably consisting of an N-hydrocarbyl alkylene diamine and a mineral acid, especially hydrochloric acid, and a second amine capable of reacting with the acidic anions present in the water phase, the pH of the emulsion ranging from 1 to 7. The emulsions have utility as binders, paving materials and coating materials, either used alone or combined with granulates. Preparation of these cationic emulsions of controlled pH and improved adhesion to conventional granulates are also disclosed.

REFERENCES:
patent: 3108971 (1963-10-01), Mertens
patent: 3340203 (1967-09-01), Ferm
patent: 3434856 (1969-03-01), Goldstein
patent: 3728278 (1973-04-01), Tramelli
patent: 3859227 (1975-01-01), Dwyer

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