发明名称 |
A METHOD OF PROTECTING A SURFACE. |
摘要 |
<p>The invention concerns a method of protecting a surface of a carbonatic material from corrosion, the method comprising treatment of the material surface with an acidic cationic silica sol, the pH of the sol preferably being from about 4 to about 7. The invention also concerns a new silica sol useful for performing the method and a method of preparing the new silica sol. Further, the invention concerns carbonatic material comprising a surface layer of silica, the surface of the silica particles comprising a polyvalent metal oxide/hydroxide.</p> |
申请公布号 |
GR3025671(T3) |
申请公布日期 |
1998.03.31 |
申请号 |
GR19970403320T |
申请日期 |
1997.12.16 |
申请人 |
EKA NOBEL AB |
发明人 |
TOKARZ, MAREK;PERSSON, MICHAEL;KOZLOWSKI, ROMAN |
分类号 |
C01B33/14;C01B33/149;C04B41/50;C04B41/52;C04B41/65;C04B41/68;C04B41/70;C09D1/00;E04F13/14;(IPC1-7):C04B41/68 |
主分类号 |
C01B33/14 |
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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