Preparation and treatment of bituminous compositions

Details Preparation and treatment of bituminous compositions Preparation and treatment of bituminous compositions

C - Chemistry, Metallurgy

08

K

C08K 5/101 (2006.01)

Patent

CA 2589627

The invention concerns the use, for preparing or treating bituminous compositions, of at least one compound selected among: esters of glycolic, lactic and gluconic acids, methylic, ethylic and isobutylic esters of glutaric, succinic and adipic acids, and ethers or esters of a product resulting from internal dehydration of a sugar, preferably a hydrogenated sugar. The invention also concerns a method for preparing or treating such compositions and the resulting compositions.

L'invention concerne l'utilisation, pour la préparation ou le traitement de compositions bitumineuses, d'au moins un composé choisi parmi : - les esters des acides glycolique, lactique et gluconique, les esters méthyliques, éthyliques et iso-butyliques des acides glutarique, succinique et adipique et, - les éthers ou esters d'un produit issu de " la déshydratation interne d'un sucre, de préférence d'un sucre hydrogéné. L'invention concerne encore un procédé de préparation ou de traitement de telles compositions et les compositions ainsi obtenues.

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