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.
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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.
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Keywords:
- viscoelastic surfactant,
- rheological,
- surface tension,
- microstructure
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