| 发明名称 |
ADDITIVE FOR CONCRETE MIX |
| 摘要 |
FIELD: construction engineering. ^ SUBSTANCE: additive for concrete mix contains, wt %: cellulose liquor with pH=5.50.5, solids content 4.50.5 wt % and density 1.016 g/cm3, 88.98-91.20, sodium fluoride 0.40-0.50, 30% hydrogen peroxide - 0.40-0.50, microsilica with specific surface Ssp=2000 m2/kg 8.00-10.02. ^ EFFECT: higher bending strength and water resistance, reduced contraction. ^ 1 tbl |
| 申请公布号 |
RU2379242(C1) |
申请公布日期 |
2010.01.20 |
| 申请号 |
RU20080128785 |
申请日期 |
2008.07.14 |
| 申请人 |
GOSUDARSTVENNOE OBRAZOVATEL'NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL'NOGO OBRAZOVANIJA "PETERBURGSKIJGOSUDARSTVENNYJ UNIVERSITET PUTEJ SOOBSHCHENIJA" |
发明人 |
SVATOVSKAJA LARISA BORISOVNA;SOLOV'EVA VALENTINA JAKOVLEVNA;STEPANOVA IRINA VITAL'EVNA;ERSHIKOV NIKOLAJ VASIL'EVICH;ROMASHCHENKO NATALIJA MIKHAJLOVNA;KOROBOV NIKOLAJ VASIL'EVICH;STARCHUKOV DMITRIJ SERGEEVICH;NAUMOV NIKOLAJ VLADIMIROVICH |
| 分类号 |
C04B22/06;C04B24/18;C04B111/20 |
主分类号 |
C04B22/06 |
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