| 发明名称 |
AGENT AND METHOD FOR MODIFYING SURFACE LAYER OF CEMENT STRUCTURES |
| 摘要 |
An agent and method for modifying a surface layer of hardened cement structures or substrates with use of the agent which comprises in a specified ratio of an alkali silicate solution and a sodium naphthalenesulfonate-formaldehyde condensate. Said agent has an excellent stability and a remarkable permeability into the cement structure to form a deeper strengthened surface layer thereon. |
| 申请公布号 |
DE3266831(D1) |
申请公布日期 |
1985.11.14 |
| 申请号 |
DE19823266831 |
申请日期 |
1982.07.26 |
| 申请人 |
NISSAN CHEMICAL INDUSTRIES LTD. |
发明人 |
OBITSU, MASAMICHI C/O NISSAN CHEM.IND.LTD;HORI, TAKAHIRO C/O NISSAN CHEM.IND.LTD;KOINUMA, TOYOJI C/O NISSAN CHEM.IND.LTD;SAKAGUCHI, YURIKO C/O NISSAN CHEM.IND.LTD |
| 分类号 |
C04B28/24;B05D7/00;C04B24/22;C04B40/00;C04B41/50;C04B41/65;C04B41/68;C09D1/04;(IPC1-7):C04B41/48 |
主分类号 |
C04B28/24 |
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