Bituminous binder compositions

Details Bituminous binder compositions Bituminous binder compositions

1975-01-29

1976-12-14

Welcome, Joan E.

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106277, 106278, 106279, 106281N, 2523115, 252357, C08J 300, C08K 517, C08K 534, C08L 9500

Patent

active

039973549

ABSTRACT:
The invention relates to bituminous binder compositions containing in the proportion of 0.5 to 2% by weight of the bitumen used, a mixture of polynitrogenous compounds such as those obtained by reacting polyalkylene polyamines having the general structure: R -- NH (CH.sub.2 -- CH.sub.2 -- CH.sub.2 -- NH).sub.n -- H with formic acid while removing the reaction water. The main component consists of a tetrahydropyrimidine substituted on nitrogen by means of a long linear chain comprising one or a plurality of amine groups having the general structure: ##STR1## wherein R is a saturated or unsaturated linear hydrocarbon comprising 8 to 22 carbon atoms, n is an integer from 2 to 5 and p another integer equal to (n - 1), that is from 1 to 4.

REFERENCES:
patent: 2438318 (1948-03-01), Johnson
patent: 2534828 (1950-12-01), Mitchell et al.
patent: 2640029 (1953-05-01), Blair, Jr. et al.
patent: 2658895 (1953-11-01), Ballard et al.
patent: 2713559 (1955-07-01), Smith
patent: 2736658 (1956-02-01), Pfohl et al.
patent: 3895172 (1975-07-01), Jones

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