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Citation: CHEN Fua, LI Sheng-Tao, LIU Li. Relationship Between the Structure and Performance of Viscoelastic Surfactant[J]. Chinese Journal of Applied Chemistry, ;2008, 25(10): 1229-1232. shu

Relationship Between the Structure and Performance of Viscoelastic Surfactant

CHEN Fua ^a,, ,
LI Sheng-Tao ^b ,
LIU Li ^c

1.
a College of Chemistry and Chemical Engineering, Southwest Petroleum University, Xindu 610500;
2.
b Gas Production Techology Research Institute, Southwest Oil and Gas Company, Guanghan;
3.
c Drlling and Production Techology Research Institute, Jidong Oilfield Company, Tangshan

Corresponding author: CHEN Fua,
Received Date: 3 November 2007
Available Online: 14 May 2008

Four viscoelastic surfactants(N-alkyl-N,N-hydroxyethyl octadecyl bromine ammonium) were synthesized.SEM was used to analyze the structure of the four surfactants.The influence of R₄ on cmc was studied.The more the number of carbons in R₄,the higher the surface activity of the surfactant,the higher the viscoelasticity,and the higher the temperature resistance.The cmc can reach 1.87 mmol/L,and the consistency coefficient increased by a factor of 1.7.
- viscoelastic surfactant,
- rheological,
- surface tension,
- microstructure
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