MULTI-LAYERED RESIN COATED SAND

A method of forming a multi-layer coated particulate material, the method including the steps of: mixing a first thermoplastic polymer with a particulate substrate to form a mixture at a temperature greater than a melting point of the first thermoplastic polymer; cooling the mixture to a temperature...

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Bibliographische Detailangaben
Hauptverfasser:	DAMEN, JULIEN H.J.M, BONGARTZ, HERBERT, CHEREAU, LOIC F
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE DYES FIXED CONSTRUCTIONS LIME, MAGNESIA MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES PREPARATION OF CARBON BLACK REFRACTORIES SLAG TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A method of forming a multi-layer coated particulate material, the method including the steps of: mixing a first thermoplastic polymer with a particulate substrate to form a mixture at a temperature greater than a melting point of the first thermoplastic polymer; cooling the mixture to a temperature below the melting point of the first thermoplastic polymer; combining the cooled mixture with a second thermoplastic polymer, wherein a melting point of the second thermoplastic polymer is less than the temperature of the cooled mixture; and cooling the combined mixture to a temperature less than the melting point of the second polymer. In another aspect, embodiments disclosed herein relate to a particulate material having: a particulate substrate coated with a first layer comprising a first thermoplastic polymer and a second layer comprising a second thermoplastic polymer; wherein a melting point of the first thermoplastic polymer is greater than a melting point of the second thermoplastic polymer.