Process for the Fabrication of Storable Dense Coated Materials and Emulsion Gravel

Storable dense coated mixes and emulsion-gravels are produced by coating with a mixed emulsion of hard bitumen and soft bitumen. Unexpectedly, these coated mixes have a storability which makes them resemble coated mixes produced with a soft bitumen, but they assume the cohesion which corresponds to...

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Bibliographic Details
Main Authors CHENEVIERE, PASCAL, NAVASCUES, LUC, FABRE, JEAN-CLAUDE
Format Patent
LanguageEnglish
French
Published 15.03.1994
Edition5
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE
FIXED CONSTRUCTIONS
MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Storable dense coated mixes and emulsion-gravels are produced by coating with a mixed emulsion of hard bitumen and soft bitumen. Unexpectedly, these coated mixes have a storability which makes them resemble coated mixes produced with a soft bitumen, but they assume the cohesion which corresponds to the viscosity of the bitumen consisting of the homogeneous mixture of bitumens. The mixed emulsion, preferably cationic, is produced very simply, for example by mixing an emulsion of hard bitumen and an emulsion of soft bitumen.
Bibliography:Application Number: CA19932106018