Mixing of asphalt emulsion and aggregate in aqueous bituminous e

Details Mixing of asphalt emulsion and aggregate in aqueous bituminous e Mixing of asphalt emulsion and aggregate in aqueous bituminous e

1983-06-20

1984-07-31

Kight, John

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106281N, 208 44, 2523115, C08L 9500

Patent

active

044628404

ABSTRACT:
An improved mixing process for aqueous bituminous emulsion-aggregate slurries is disclosed whereby cationic emulsions are prepared by emulsifying bitumen, such as an asphalt, in water with a new kind of cation-active emulsifier which is the product of the reaction of a polyamine with certain polycarboxylic acids wherein one or more additives selected from the group consisting of a polyamine, ammonia, magnesium sulfate, cupric sulfate, chromium chloride, ferric sulfate or dilute sulfuric acid is added to the mixing water to extend the mixing time and to give mixes with good flowability and flotation characteristics.

REFERENCES:
patent: 3026266 (1962-03-01), Mertens et al.
patent: 3096292 (1963-07-01), Mertens
patent: 3097174 (1963-07-01), Mertens
patent: 3324041 (1967-06-01), Sommer et al.
patent: 3423221 (1969-01-01), Borgfeldt
patent: 3753968 (1973-08-01), Ward
patent: 3764359 (1973-10-01), Dybalski
patent: 3859227 (1975-01-01), Dwyer
patent: 3899476 (1975-08-01), Ward
patent: 4013601 (1977-03-01), Alford
patent: 4081462 (1978-03-01), Powers et al.
patent: 4338136 (1982-07-01), Goullet et al.

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