PROCESS FOR PRODUCING LIGHT-WEIGHT BUILDING ELEMENTS

1333487 Lightweight concrete SOC ITALIANA-RESINS SpA 13 Dec 1971 [23 Dec 1970] 57860/71 Heading C1H Lightweight building elements of density 0À2-0À8 kg/dm.3 are obtained from a hardened mixture of cement, water and a vinyl latex which mixture is homogenized with expanded polystyrene which has been p...

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Bibliographische Detailangaben
Hauptverfasser:	VARGIU SILVIO, SPELTA OSVALDO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GENERAL PROCESSES OF COMPOUNDING LIME, MAGNESIA METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE WORKING-UP
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Zusammenfassung:	1333487 Lightweight concrete SOC ITALIANA-RESINS SpA 13 Dec 1971 [23 Dec 1970] 57860/71 Heading C1H Lightweight building elements of density 0À2-0À8 kg/dm.3 are obtained from a hardened mixture of cement, water and a vinyl latex which mixture is homogenized with expanded polystyrene which has been pretreated with an aqueous dispersion of an epoxy glue, a hardener and an organic solvent. Specified vinyls are the acetate which can be copolymerized with acrylic or methacrylic esters and copolymers of styrene with such acrylic esters. Portland and aluminous cements are used, and the expanded polystyrene has a maximum size of 3 mm. Polyamines are the hardeners, and surfactants, e.g. sulphonates and Et 2 O condensates with phenols are optional.