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    • 4. 发明授权
    • 화학저항성이 우수한 프리캐스트 콘크리트용 결합재 조성물
    • 使用混凝土组合物的耐化学腐蚀预测
    • KR101296305B1
    • 2013-08-13
    • KR1020130002919
    • 2013-01-10
    • 하나케이텍(주)주식회사 정우소재이종열
    • 원광희이종열
    • C04B28/16C04B18/04C04B26/04C04B14/38
    • Y02W30/91C04B28/04C04B7/32C04B14/106C04B18/08C04B18/141C04B22/143C04B24/2623C04B2111/20
    • PURPOSE: A binder composition for precast concrete is provided to form a physically elaborate structure and to minimize inflow of external chemical substance due to excellent stability about acid and alkaline substances. CONSTITUTION: A binder composition for precast concrete with excellent chemical resistance is made by mixing portland cement 30-60 weight%, ground granulated blast-furnace slag 15-40 weight%, fly ash 10-30 weight%, gypsum 2-10 weight% and aluminate system cement 0.5-5 weight%. And the binder composition also contains ethylene vinyl acetate (EVA), acryl, powdered resin 0.5-5 weight% of a stylene butadiene rubber (SBR) group, metakaolin 1-10 weight% and modified sulfur 0.5-5 weight% with under 60°C melting point. The aluminate system cement is made by mixing one or more from potassium sulfur aluminate cement (PSA) and magnesium sulfur aluminate (MSA).
    • 目的:提供预制混凝土的粘合剂组合物,以形成物理精细的结构,并且由于对酸和碱性物质的稳定性优异,使外部化学物质的流入最小化。 构成:通过混合硅酸盐水泥30-60重量%,研磨造粒高炉渣15-40重量%,粉煤灰10-30重量%,石膏2-10重量%,制备具有优异耐化学性的预制混凝土用粘合剂组合物, 和铝酸盐体系水泥0.5-5重量%。 粘合剂组合物还含有乙烯 - 乙酸乙烯酯(EVA),丙烯酸酯,0.5-5重量%的苯乙烯丁二烯橡胶(SBR)粉末树脂,1-10重量%的偏高岭土和0.5-5重量%的改性硫,60℃以下 C熔点。 铝酸盐体系水泥是通过混合一种或多种来自硫酸铝钾水泥(PSA)和铝酸镁(MSA)的混合物制成的。