Cationic aqueous bituminous emulsion-aggregate slurries
US4810299A · kind A · utility
31Cited by
7References
7Claims
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Key dates
| Filing date | May 20, 1988 |
| Grant date | Mar 7, 1989 |
| Priority date | — |
| Expiry date | May 20, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/07
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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 polyamine with certain polycarboxylic acids and anhydrides. The modified polyamines are obtained by reacting suitable polyalkylene amines with a sugar-containing syrup, preferably molasses.
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