Cationic emulsions of bituminous binders of the bitumen type and their process of preparation
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United States of America Patent
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Mar 18, 1986
Issued Date -
N/A
app pub date -
Jun 7, 1985
filing date -
Nov 27, 1981
priority date (Note) -
Expired
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Abstract
Cationic emulsions of bituminous binders of the type consisting of an organic phase formed of a bituminous binder dispersed in an aqueous phase containing a cationic emulsifying agent and an acid. The bituminous binder is a bitumen-polymer type binder and the acid present in the aqueous phase is a possibly hydroxylated mono or polycarboxylic acid, used in sufficient quantity that the pH of the said aqueous phase is comprised between 1 and 7. The bituminous binders of the bitumen-polymer type having passed through the said emulsions present an excellent aging behavior.
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