日用化学工业2017，Vol.47Issue(10)：541-545,5.DOI:10.13218/j.cnki.csdc.2017.10.001
聚乙二醇-十二烷基硫酸钠水溶液的黏度特性研究
Investigation on viscosity characteristics of aqueous polyethylene glycol-sodium dodecylsulfate solution
摘要
Abstract
Ubbelohde viscosimetry was applied to investigate the viscosity characteristics of nonionic polymer polyethylene glycol (PEG)associated by anionic surfactant sodium dodecylsulfate (SDS)in different ratios. Double critical concentrations of PEG-SDS were obtained by the change of SDS-dependent reduced specific viscosity. Electro-viscous effect as well as the related salt shielding effect similar to a real polyelectrolyte was observed by the change of PEG -dependent reduced specific viscosity in lower concentrations of associate. Polymer coil expansion was also found in the aqueous PEG-SDS solution. The above viscosity characteristics in the PEG-SDS system are attributed to the formation of"pseudo -polyelectrolyte"by the charged SDS bound micelles associating on the PEG chain similar with the PVP-SDS system.关键词
十二烷基硫酸钠/聚乙二醇/比浓黏度/电黏效应/链扩张Key words
sodium dodecylsulfate/polyethylene glycol/reduced specific viscosity/electro-viscous effect/coil expansion分类
化学工程引用本文复制引用
王汪送,吴业帆,方云,胡学一..聚乙二醇-十二烷基硫酸钠水溶液的黏度特性研究[J].日用化学工业,2017,47(10):541-545,5.基金项目
国家重点研发计划资助项目(2017YFB0308904) （2017YFB0308904）
