发明名称 |
Polyacrylate or concrete treated with poly - acrylic acid and electrolyte |
摘要 |
Concrete units, particularly for lift-slab process, are provided with water-repellent film interfaces by treating, pref. by spraying set concrete surfaces with an aqs. polyacrylate or polyacrylic acid solutions as well as with a solution of an electrolyte, particularly an alkaline earth salt or hydroxide.
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申请公布号 |
DE1807252(A1) |
申请公布日期 |
1970.07.23 |
申请号 |
DE19681807252 |
申请日期 |
1968.11.06 |
申请人 |
VEB BAU- UND MONTAGEKOMBINAT INGENIEURHOCHBAU BERLIN |
发明人 |
SCHWARZ,DR.KARL-HEINZ;KLEINKE,DIPL.-ING.HERMANN-DIETRICH;BACH,DIPL.-ING.GUENTHER |
分类号 |
C04B41/45;C04B41/48;C04B41/61;C04B41/63 |
主分类号 |
C04B41/45 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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