测定了不同浓度聚幕乙烯(PS)θ溶液的黏度,确定了高分子之间的流体力学相互作用参数,由此确定了良溶剂中高分子链尺寸的浓度依赖性,结果表明,在良溶剂中随着浓度的增加,高分子链的尺寸有所收缩,但是变化的程度比较小.与wolf的理论结果以及笔者以前对此所做的理论分析并不一致,文中对出现差异的原因进行了深入的探讨.
参考文献
| [1] | Wolf, BA .Polyelectrolytes revisited: Reliable determination of intrinsic viscosities[J].Macromolecular rapid communications,2007(2):164-170. |
| [2] | Eckelt J;Knopf A;Wolf BA .Polyelectrolytes: Intrinsic viscosities in the absence and in the presence of salt[J].Macromolecules,2008(3):912-918. |
| [3] | Yang H.;Zhu P. .Viscometric study of polystyrene in mixed solvents and with varying temperature[J].Polymer: The International Journal for the Science and Technology of Polymers,2000(2):499-504. |
| [4] | Yang Haiyang;Zhu Pingping;Li Guofeng;We Peng;Ren Feng .Investigations on the intrinsic viscosity of poly(vinyl chloride)(PVC) affected by polymer-polymer interactions in solution[J].European Polymer Journal,1999(2):345-353. |
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