增稠是纤维素醚对水泥基材料的重要改性效果.研究了纤维素醚掺量、粘度仪旋转速度和温度对纤维素醚改性水泥浆粘度变化的影响.结果表明:纤维素醚掺量增加,水泥浆的粘度不断增加,纤维素醚溶液和水泥浆的粘度具有“复合叠加效应”;纤维素醚改性水泥浆的假塑性低于纯水泥浆,粘度仪的旋转速度越低,或纤维素醚改性水泥浆的粘度越低,或纤维素醚掺量越低,纤维素醚改性水泥浆的假塑性越明显;温度升高,由于温度和水泥水化的共同作用,纤维素醚改性水泥浆的粘度会增加或降低.纤维素醚的种类不同,其改性水泥浆的粘度变化规律存在差异.
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