本文考察不同浓度以及不同溶剂聚乙二醇200、聚乙二醇400、复配型的聚乙二醇/丙三醇(PEG/Gl)对二氧化硅/聚乙二醇(SiO2/PEG)剪切增稠体系的影响,采用流变仪测试该剪切增稠液的稳态流变性能.测试表明,复配型分散介质的增稠效果不如单一分散介质,临界剪切速率PEG400＜ PEG200＜ SiO2/PEG400/Gl＜SiO2/PEG200/Gl,因此当需要在较小剪切速率条件下增稠时,应选用分子量较大的聚乙二醇单一分散介质；同时,分散相质量分数越高,体系的增稠现象也愈明显.
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