Process for the water-repellent impregnation of plaster
摘要
Plaster is impregnated so as to make it water repellent by treatment with organosiloxane containing Si-bonded hydrogen atoms and alkali metal silicate. In particular, the water-repellent action is improved in the case of shaped plaster articles treated at high drying temperatures.
申请公布号
DE4433864(A1)
申请公布日期
1995.02.16
申请号
DE19944433864
申请日期
1994.09.22
申请人
WACKER-CHEMIE GMBH, 81737 MUENCHEN, DE
发明人
GERHARDINGER, DIETER, 84489 BURGHAUSEN, DE;MAYER, HANS, DIPL.-CHEM. DR., 84489 BURGHAUSEN, DE;MITTERMEIER, JOHANNES, 84503 ALTOETTING, DE
