CONDENSATION-CROSSLINKING SILICONES WITH IMPROVED RESISTANCE TO TEMPERATURE CHANGE

A silicone formulation that has a) at least one condensation-crosslinkable hydroxy- or alkoxy-terminated polydiorganosiloxane, b) at least one silane crosslinking agent or siloxane crosslinking agent for the hydroxy- or alkoxy-terminated polydiorganosiloxane and c) one or more fillers, where one fil...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FRIEDEL Manuel, VON MALOTKI Christian
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A silicone formulation that has a) at least one condensation-crosslinkable hydroxy- or alkoxy-terminated polydiorganosiloxane, b) at least one silane crosslinking agent or siloxane crosslinking agent for the hydroxy- or alkoxy-terminated polydiorganosiloxane and c) one or more fillers, where one filler is the main filler, the proportion by weight of which in the silicone formulation is greater than that of any other filler that may be present, and the decomposition temperature of the main filler is above 350° C., with the proviso that the proportion of the main filler in relation to the total weight of the fillers is at least 20% by weight. The silicone formulation is particularly suitable as resilient adhesive or sealant, more particularly for high-temperature applications, e.g. for producing or repairing facades, fireproof joints, windows, insulative glazing, solar installations, vehicles, white or brown goods, heaters, electronic components, or sanitary installations, or for the construction sector.