METHOD FOR MANUFACTURE OF SHAPED PRODUCTS WITH THERMO-ISOLATING PROPERTIES

The invention relates to a method of producing shaped bodies having heat insulating properties and based on foamed alkali metal silicate particles containing silicon dioxide (SiO2) and alkali metal oxide (M2O) (M is an alkali metal) in a molar ratio of from 2 to 4.5 (SiO2:M2O), and is characterised...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	BILLER BEATE, KRATEL GUNTER, KATZER HANS
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BUILDING CEILINGS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS LIME, MAGNESIA METALLURGY REFRACTORIES ROOFS SLAG TREATMENT OF NATURAL STONE WALLS, e.g. PARTITIONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The invention relates to a method of producing shaped bodies having heat insulating properties and based on foamed alkali metal silicate particles containing silicon dioxide (SiO2) and alkali metal oxide (M2O) (M is an alkali metal) in a molar ratio of from 2 to 4.5 (SiO2:M2O), and is characterised in that 100 parts by weight of the foamed alkali metal silicate particles are mixed with an aqueous solution of monoaluminium phosphate (Al(H2PO4)3), so that the molar ratio Si:Al in the mixture assumes a value of from 1 to 60, the mixture is charged into a preselected mould and is compacted to from 20 to 80% of the original volume to give a shaped body, and the shaped body is heated to a temperature of from 100 to 500 DEG C until a chemical reaction bonding between the alkali metal silicate particles and the monoaluminium phosphate has taken place. The invention further relates to the use of such shaped bodies as heat-insulating and sound-insulating material.