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Influences of Slag or Limestone on the Performance of Superplasticizers

机译:矿渣或石灰石对高效减水剂性能的影响

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The influence of slag or limestone as a cement main constituent on the performance of superplasticizers based on polycarboxylate ether (PCE) was investigated on cements made of identical clinker and sulfate components. Investigations were done by means of pore solution analyses, zeta potential measurements and consistence tests. Depending on the proportion of clinker in the cement the composition of the pore solution, the zeta potential of cement paste and the effective charge of PCE varied significantly. This led to a modified adsorption behavior and plasticizing effect of PCE. Consequently, the specific plasticizing effect of PCE can be diminished with decreasing proportion of clinker in cement.
机译:在相同的熟料和硫酸盐成分制成的水泥上,研究了矿渣或石灰石作为水泥的主要成分对基于聚羧酸醚(PCE)的高效减水剂性能的影响。通过孔溶液分析,ζ电势测量和稠度测试进行了研究。取决于水泥中熟料的比例,孔隙溶液的组成,水泥浆的zeta电位和PCE的有效电荷显着变化。这导致PCE的吸附行为和增塑效果得到改善。因此,随着水泥中熟料比例的降低,PCE的特定增塑作用会降低。

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