Cation-active emulsifier

Details Cation-active emulsifier Cation-active emulsifier

1989-11-15

1991-12-17

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

106277, 2523115, 252356, 252357, B01F 1716, B01F 1722, B01F 1750

Patent

active

050732978

ABSTRACT:
Cationic aqueous bituminous emulsion-aggregate slurries are disclosed to be formed with cationic emulsions prepared at elevated temperatures by emulsifying bitumen, such as an asphalt, in water with a cation-active emulsifier which is the product of the reaction of modified polyamide with certain polycarboxylic acids and anhydrides. The modified polyamines are obtained by reacting suitable polyalkylene amines with 1,2-unsaturated acids, able to undergo Michael addition of the amines across the double bonds resulting in amino acids which can undergo polymerization to low and high molecular weight amino polyamides.

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patent: 4810299 (1989-03-01), Schilling et al.
patent: 4861377 (1989-08-01), Schilling
patent: 4957560 (1990-09-01), Schilling

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