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Citation: QIU Ling-Guang, LIU Hui, CHENG Mao-Jie, XIE An-Jian, SHEN Yu-Hua. The Interaction Between Cationic Gemini Surfactant and Polyvinyl alcohol[J]. Chinese Journal of Applied Chemistry, ;2004, 21(5): 506-508. shu

The Interaction Between Cationic Gemini Surfactant and Polyvinyl alcohol

1.
School of Chemistry and Chemical Engineering, Anhui University, Hefei 230039

Corresponding author: QIU Ling-Guang,
Received Date: 18 July 2003
Available Online: 26 December 2003
Fund Project: 国家自然科学基金(20371001,20031010) (20371001,20031010)安徽省高等学校青年教师科研基金资助课题(01080309) (01080309)

A cationic gemini surfactant 10-2-10, 1,2-ethane bis(decyl dimethyl ammonium bromide) was synthesized, and the interactions in a mixture of the cationic gemini surfactant with a water-soluble polymer polyvinyl alcohol(PVA) were investigated by means of viscosity, electric conductivity, surface tension and ultraviolet spectrum measurements. The results showed that PVA displays viscosity behavior of polyelectrolyte-electroviscous effect in an aqueous solution with gemini surfactant 10-2-10 due to the molecular interaction between the polymer and the surfactant. The maximum UV absorption wavelength of polymer-surfactant solution shifted to higher wavelength compared with that of the surfactant, and the conductivity of polymer-surfactant solution increased with increase in concentration of PVA in a certain surfactant concentration. In addition, surface tension of gemini surfactant 10-2-10 solution decreased in the presence of PVA and its critical micelle concentration decreased from 5.9 mmol/L to 4.8 mmol/L in the presence of 1.25×10^-3 g/mL PVA.
- polyvinyl alcohol,
- gemini,
- cationic surfactant,
- viscosity,
- surface tension
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