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超声辐照下HEC/NPEOnA共聚物的合成及其水溶液性能的研究

孙杨宣,黄寿栗,李志莉,刘江,陈克强

Sichuan Daxue Xuebao (Gongcheng Kexue Ban)/Journal of Sichuan University (Engineering Science Edition)（2001）

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Abstract
研究了在超声辐照下羟乙基纤维素(HEC)与活性大单体壬基酚聚氧乙烯醚丙烯酸酯[NPEOnA (n=4,7,10,15)]的共聚反应,通过IR、DSC研究了所得共聚物的结构,并对所制备的HEC/NPEOnA系列共聚物的水溶液性能进行了研究.结果表明,在超声辐照下HEC可以和NPEOnA活性大单体进行共聚反应而制得表面活性较高的共聚物,这种共聚物可作为高分子表面活性剂,其最低表面张力为31.5?mN/m, 最低界面张力 (5%大庆原油煤油/水) 为1.05?mN/m, 1%的共聚物水溶液表观粘度为2.50?mPas.
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Key words
Chemicals for EOR,Hydroxyethyl cellulose graft-copolymer,Polymer surfactants,Surface macro-monomer,Ultrasonic irradiation synthesis
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