METHOD FOR THE HYDROPHOBIC IMPREGNATION OF FIRED CERAMIC MOLDED BODIES

Fired clay moldings are hydrophobicized by applying a long chain alkyl-substituted alkoxysilane or hydrolysate thereof having up to 5 silicon atoms, and an alkoxy-functional silicone resin. The moldings, which may be roof tiles, are hydrophobicized to a significant depth, without discoloration.

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Bibliographische Detailangaben
Hauptverfasser: HAGER, Rudolf, ACKERMANN, Hartmut
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Fired clay moldings are hydrophobicized by applying a long chain alkyl-substituted alkoxysilane or hydrolysate thereof having up to 5 silicon atoms, and an alkoxy-functional silicone resin. The moldings, which may be roof tiles, are hydrophobicized to a significant depth, without discoloration.