Hexahydropyrimidines as asphalt emulsifiers and emulsions contai

Details Hexahydropyrimidines as asphalt emulsifiers and emulsions contai Hexahydropyrimidines as asphalt emulsifiers and emulsions contai

1984-01-06

1986-04-01

Gron, Teddy S.

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

2523115, 544242, C08L 9500, B01J 1300

Patent

active

045795932

ABSTRACT:
A rapid-set asphalt emulsion which comprises at least 60% residue, 30% water, 0.1% acid, and 0.15% of an emulsifier, the emulsifier comprising a hexahydropyrimidine of the general formula: ##STR1## wherein R.sub.1 is an alkyl group having from 8 to 18 carbon atoms, and R.sub.2 and R.sub.3 may be the same or different, and are selected from the group including H-- or --(CH.sub.2).sub.x CH.sub.3, wherein x is an integer between 0 and 3.

REFERENCES:
patent: 2534828 (1950-12-01), Mitchell et al.
patent: 2535747 (1950-12-01), Morey
patent: 2546169 (1951-03-01), Salvin et al.
patent: 3093595 (1963-06-01), Levy et al.
patent: 3097179 (1963-07-01), Ceintrey
patent: 4001232 (1977-01-01), Groegler et al.
patent: 4003718 (1977-01-01), Gattuso

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