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用旋转粘度计研究了牙膏型羧甲基纤维素水溶液流变性质,考查了该材料对时间、温度的依赖关系。通过幕律模型表征了材料的均勻性,测定了盐粘比。探讨了流变性与取代均匀性的依赖关系。
The rheological properties of toothpaste-type carboxymethylcellulose aqueous solution were investigated by rotational viscometer. The dependence of the material on the time and temperature was investigated. The material uniformity was characterized by a multivariable model and the salt viscosity was measured. The dependence of rheology and substitution uniformity is discussed.