HIGH-PERFORMANCE HEAT-INSULATING MATERIALS

The present invention relates to a heat-insulating material, in particular in the form of a solid foam, based on silica particles of submicron porosity, this material incorporating two different ranges of porosities, advantageously including a first range consisting of (macro)pores with diameters of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TCHOLAKOVA SLAVKA STOYANOVA, GOLEMANOV KONSTANTIN NIKOLAEV, LESOV IVAN IGOROV, DENKOV NIKOLAI DENKOV, DEKONINCK ALEXANDRA
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention relates to a heat-insulating material, in particular in the form of a solid foam, based on silica particles of submicron porosity, this material incorporating two different ranges of porosities, advantageously including a first range consisting of (macro)pores with diameters of between 10 microns and 3 mm, and a second range consisting of submicron pores with diameters greater than 4 nm and less than 300 nm, the pore volume of said submicron pores being at least 1 cm3/g and the mass per unit volume of said insulating material being less than 300 kg/m3, and also relates to the process for obtaining the same.