潮定了异丙醇和乙二醇对瓜尔胶高分子水溶液黏度的影响,发现随着异丙醇的加入,瓜尔胶高分子水溶液的特性黏数逐渐减小,Huggins相互作用参数会逐渐增加;与此相反,随着乙二醇的加入,瓜尔胶高分子水溶液的特性黏数逐渐增加,Huggins相互作用参数却逐渐减小.醇和瓜尔胶高分子之间缔合导致高分子链疏水性质和空间位阻效应的改变,是异丙醇和乙二醇对瓜尔胶高分子水溶液黏度行为影响显著不同的根本原因.
参考文献
[1] | Ahmad Bahamdan;William H. Daly .Hydrophobic guar gum derivatives prepared by controlled grafting processes[J].Polymers for advanced technologies,2007(8):652-659. |
[2] | B.R.Nayak;R.P.Singh .Development of Graft Copolymer Flocculating Agents Based on Hydroxypropyl Guar Gum and Acrylamide[J].Journal of Applied Polymer Science,2001(7):1776-1785. |
[3] | Yang HY;Yan YF;Zhu PP;Li H;Zhu QR;Fan CG .Studies on the viscosity behavior of polymer solutions at low concentrations[J].European Polymer Journal,2005(2):329-340. |
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