发明名称 |
HYDRO-AND OLEOPHOBIC AGENT FOR PROTECTION OF BUILDING MATERIALS FROM ADVERSE EFFECT OF ENVIRONMENT |
摘要 |
FIELD: building materials industry. SUBSTANCE: described is use of organosilicon perfluorocarboxylic acid amide as hydro- and olephobic agent for protection of building materials from adverse effect of environment. Building materials are not subjected to destruction for prolonged period of time due to using salt solution and repeated freezing and defrosting. Vapor tightness of limestone and plaster samples remain substantially unchanged after treatment procedure. EFFECT: improved hydrophobic effect of 197% of contact wetting angle of 135-140. 2 cl, 2 ex, 1 tbl |
申请公布号 |
RU2149151(C1) |
申请公布日期 |
2000.05.20 |
申请号 |
RU19980122416 |
申请日期 |
1998.12.04 |
申请人 |
RAN;OAO "MOSKOVSKIJ KOMITET PO NAUKE I TEKHNOLOGIJAM" |
发明人 |
KRUKOVSKIJ S.P.;JAROSH A.A.;KOTOV V.M.;PRJAKHINA T.A.;JAROSH V.N.;ZAVIN B.G.;PISARENKO V.N.;SVETLAKOV V.M.;BLINOV V.E. |
分类号 |
C04B41/49;C07F7/10;C07F7/12 |
主分类号 |
C04B41/49 |
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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