<p>A water repellent composition comprising an aqueous solution of alkali metal alkyl and/or phenyl siliconates, an organic aqueous soluble complexing or chelating agent and an aqueous miscible monovalent alcohol and/or ketone. This composition may be applied to building materials, such as masonry surfaces to render them water repellent.</p>
申请公布号
DE2336124(C3)
申请公布日期
1978.09.21
申请号
DE19732336124
申请日期
1973.07.16
申请人
WACKER-CHEMIE GMBH, 8000 MUENCHEN
发明人
BOSCH, ERHARD, DR.;PIRSON, EWALD, DR.;ROTH, MICHAEL, DR.