| 发明名称 |
COMPOSITION FOR FILTER MATERIAL |
| 摘要 |
FIELD: filtration technics. SUBSTANCE: composition for porous filter materials includes 25-55 wt % of liquid phenol-formaldehyde resin and 45-75 wt % of powdered oxalic acid. Composition is thoroughly agitated, put into mold, and hardened at 20-90 C. After blowing agent is washed away, pieces are placed in closed molds and heated to 150-160 C. EFFECT: improved filter material quality. 1 tblu
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| 申请公布号 |
RU2101075(C1) |
申请公布日期 |
1998.01.10 |
| 申请号 |
RU19960113378 |
申请日期 |
1996.07.05 |
| 申请人 |
EHLEKTROMEKHANICHESKIJ ZAVOD "AVANGARD" |
发明人 |
SHCHUCHKIN M.N.;DAVYDJUK V.D.;ORLOV A.G.;BUZYLEV A.E.;SHCHUCHKIN M.N.;DAVYDJUK V.D.;ORLOV A.G.;BUZYLEV A.E. |
| 分类号 |
B01D39/04;C08L61/10;(IPC1-7):B01D39/04 |
主分类号 |
B01D39/04 |
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