Method of making fast-breaking bituminous emulsions

Details Method of making fast-breaking bituminous emulsions Method of making fast-breaking bituminous emulsions

1979-03-15

1982-07-06

Kight, III, John

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106277, 106278, 106281N, 2523115, C09D 324

Patent

active

043381367

ABSTRACT:
Fast-breaking bituminous emulsions are prepared by using a liquid emulsifying agent obtained by condensation at a temperature of 160.degree.-180.degree. C. of diethylenetriamine and a C.sub.12-18 fatty acid having an iodine value of at least 25, followed by at least partial cyclization of the condensation product at a temperature between approximately 190.degree. and 240.degree. C., the initial molar ratio between the diethylenetriamine and the fatty acid being at least 5 to 1, and the end product having a total amine index of at least 5.6 and optionally containing up to 10% free diethylenetriamine.

REFERENCES:
patent: 2766132 (1956-10-01), Blair, Jr.
patent: 3230104 (1966-01-01), Falkenberg et al.
patent: 3423221 (1969-01-01), Borgfeldt
patent: 4073659 (1978-02-01), Burris
patent: 4094696 (1978-06-01), Burris

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