Rapid and medium setting high float bituminous emulsions

Details Rapid and medium setting high float bituminous emulsions Rapid and medium setting high float bituminous emulsions

1985-10-03

1987-06-30

Terapane, John F.

Compositions

Preservative agents

Anti-corrosion

252312, 252358, 106277, B01J 1300, C08L 9500

Patent

active

046769277

ABSTRACT:
Alkaline solutions of combinations of tall oil fatty acids or tallow fatty acids and their reaction products with acrylic acid, fumaric acid and maleic anhydride with and without catalytical amounts of iodine at a dosage of 0.4-0.6% based on the weight of asphalt emulsions are disclosed to be efficient emulsifiers for rapid set high float emulsions. Blends of fatty acids with fumarized or maleinized rosin are also excellent emulsifiers. If dosage levels of above 0.6 to 3.0% are used, medium set high float emulsions are obtained. Combinations of tall oil fatty acid and sulfonated tall oil fatty acid also give medium set high float emulsions.

REFERENCES:
patent: 4008096 (1977-02-01), Knapp
patent: 4293459 (1981-10-01), Detroil
patent: 4370170 (1983-01-01), Tolonen et al.
patent: 4433084 (1984-02-01), Ostermeyer
patent: 4455149 (1984-06-01), Satake et al.
patent: 4512806 (1985-04-01), Graham
patent: 4561901 (1985-12-01), Schilling

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