WO2022073217 (A1)

Use of alkoxysilanes or alkoxysiloxanes or compositions containing the same as admixture for mass hydrophobization of cement-based materials

(22) 10.10.2020

(43) 14.04.2022

(57) The present disclosure relates to use of alkoxysilanes or alkoxysiloxanes or compositions containing the same as admixture for mass hydrophobization of cement-based materials. No significant loss of strength of the hardened cement-based materials occurs when using the alkoxysilanes or alkoxysiloxanes or compositions containing the same as admixture for mass hydrophobization of the cement-based materials for excellent water repellency, this is not the case with those conventional alkoxysilanes or alkoxysiloxanes.

(71) Wacker Chemie AG (DE), Lei, Fanghua (CN)

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