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稠油乳化降黏剂FPESS的合成及性能

Petrochemical Technology(2017)

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Abstract
为了降低稠油黏度,改善稠油流动性,以α-ω含氢含氟硅油、烯丙基环氧基聚醚、KHSO3等为原料,经硅氢加成,磺化反应制得一种磺酸盐型氟硅表面活性剂(FPESS);采用FTIR和1H NMR技术对其结构进行了表征,测定了FPESS的表面张力,考察了油水质量比、FPESS含量、乳化时间、碱含量等对降黏效果的影响.实验结果表明,FPESS溶液的临界胶束浓度为2.0 g/L,表面张力21.02 mN/m;在油水质量比8∶2、FPESS含量0.40%(w)、乳化时间30 min、碱含量0.040%(w)的最佳条件下,稠油的降黏率达到96.35%,FPESS与碱组成的降黏体系的耐盐、耐温性好.
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