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Title: Quick setting anionic bituminous emulsions

Patent ·
OSTI ID:6589568

A bituminous emulsion is described comprising: (a) from about 50% to about 70% by weight of non-coal tar bitumen; (b) from about 0.1% to about 3% by weight of an emulsifier which is the amine salt of an alkylbenzene sulfonic acid in which the alkyl contains from about 8 to about 16 carbon atoms. The salt-forming amine is selected from amines having the formula: wherein R/sub 1/ is selected from the group consisting of aminoalkyl and monohydroxyalkyl radicals containing from 1 to about 6 carbon atoms and R/sub 2/ and R/sub 3/ are each selected from the group consisting of hydrogen, alkyl, aminoalkyl and monohydroxyalkyl radicals containing from 1 to about 6 carbon atoms and wherein the molar ratio of alkylbenzene sulfonic acid to amine in the amine salt is 1:1; and (c) from about 30% to about 50% water, the composition having a pH of from about 2.5 to about 10.

Assignee:
The Procter and Gamble Co., Cincinnati, OH
Patent Number(s):
US 4657595
OSTI ID:
6589568
Resource Relation:
Patent File Date: Filed date 16 Sep 1985
Country of Publication:
United States
Language:
English