Intermolecular and Intramolecular Association of Poly(ethylene glycol) Mediated by Sodium Dodecyl Sulfate in Dilute Solutions

被引：0
|
作者：
Chen, Xiaoming [1 ,2 ]
Ren, Lin [1 ]
机构：
[1] Anhui Univ Architecture, Sch Mat & Chem Engn, Hefei 230601, Peoples R China
[2] Anhui Key Lab Adv Bldg Mat, Hefei 230601, Peoples R China
来源：
ASIAN JOURNAL OF CHEMISTRY | 2013年 / 25卷 / 03期
关键词：
Association; Poly(ethylene glycol); Sodium dodecyl sulphate; POLYMER-SURFACTANT INTERACTIONS; DYNAMIC LIGHT-SCATTERING; ANIONIC SURFACTANT; IONIC SURFACTANTS; OXIDE); VISCOSITY; WATER;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In mixed solutions of poly(ethylene glycol) and sodium dodecyl sulphate the aggregation of surfactants with polymer chains strengthens the intermolecular or/and intramolecular hydrophobic junctions, resulting in the intermolecular or/and intramolecular association of poly(ethylene glycol) mediated by sodium dodecyl sulphate. If the polymer concentration c > 0.017 g/mL different polymer chains associate together through intermolecular hydrophobic junctions. The reduced viscosity of poly(ethylene glycol) increases as the concentration of sodium dodecyl sulphate increases. On the other hand, if c < 0.017 g/mL, the poly(ethylene glycol) chains are almost separated and the intramolecular association of poly(ethylene glycol) through intramolecular hydrophobic junctions dominates. Therefore the reduced viscosity of poly(ethylene glycol) decreases considerably as the concentration of sodium dodecyl sulphate increases.
引用
收藏
页码：1590 / 1592
页数：3
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