发明名称 |
Clay and cement mortars, methods of preparing them |
摘要 |
The invention relates to mortars made of clay, cement, water and an urea-formaldehyde or melamine-formaldehyde resin. Paraffin is added to the powdered cement and, just before shaping the mortar, there is added to said mortar sodium aluminate and sodium silicate.
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申请公布号 |
US4316826(A) |
申请公布日期 |
1982.02.23 |
申请号 |
US19790058922 |
申请日期 |
1979.07.19 |
申请人 |
LAQUERBE, MICHEL;TATARD, FRANCOIS |
发明人 |
LAQUERBE, MICHEL;TATARD, FRANCOIS |
分类号 |
C04B28/02;(IPC1-7):C04B7/00;C04B7/02;C04B7/35;C04B31/00 |
主分类号 |
C04B28/02 |
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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