Amine oxides as asphalt emulsifiers
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United States of America Patent
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Dec 17, 2002
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app pub date -
Mar 2, 2000
filing date -
Mar 2, 2000
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Abstract
A method of emulsifying asphalt using a polyamine polyoxide, preferably a diamine dioxide, as an emulsifier or co-emulsifier and an emulsion of asphalt, water and a polyamine polyoxide, preferably a diamine dioxide. The advantages of using a polyamine polyoxide as an emulsifier or co-emulsifier include its ability to provide superior cationic and anionic emulsions, and slow-setting emulsions at low use levels, and the excellent adhesion of the cured asphalt film.
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