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US07662225B2 Aqueous bitumen emulsion 有权
水性沥青乳液

Aqueous bitumen emulsion
摘要:
The invention relates to an aqueous bitumen emulsion, comprising bitumen and a surfactant agent, made from esters or amides of glycine betaine, produced by reaction of glycine betaine with a sulphonic acid and an alcohol or amine with a fatty chain derived from vegetable oils. Said bitumen emulsion may be used in the production of road surfaces.
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