Method for preparing moulding used foam ceramic filter

Method for preparing moulding used foam ceramic filter

A foam ceramic filter used for casting is prepared from reticular polyurethane foam plastic through surface activating by polyvinylimine solution, immersing in the slurry prepared from SiC and dextrin or the mixture of dextrin and Si sol, centrifugally removing slurry, drying and calcining at 1400-1...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: FENGZHANG,LI REN
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
REFRACTORIES
SEPARATION
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:A foam ceramic filter used for casting is prepared from reticular polyurethane foam plastic through surface activating by polyvinylimine solution, immersing in the slurry prepared from SiC and dextrin or the mixture of dextrin and Si sol, centrifugally removing slurry, drying and calcining at 1400-1500 deg.C.