脂肪醇聚氧乙烯醚羧酸钠与双癸基羟乙基甲基氯化铵复配性能研究

doi:10.13218/j.cnki.csdc.2015.04.001

Abstract

Abstract: Surface activity,stability and aggregation behavior of blend systems of sodium fatty alcohol ether carboxylate (AE₉C) and bis-decylmethylhydroxyethylammonium chloride (DEQ) were measured by surface tensiometer,UV-Vis spectrophotometer and transmission electron microscopy (TEM),respectively.Results showed that the blend system that displays best synergistic effect is at the mass ratio of m(AE₉C)∶m(DEQ)=4∶6,which displays Γ_max=2.15×10^-10 mol/cm²,A_min=0.77 nm².The blend system shows very excellent stability.When the mass ratio of AE₉C and DEQ is bigger than 5∶5,even if the mass concentration achieves 10.0%,uniform and stable solutions are formed and the solutions can keep its homogeneity without stratification after a month.When the mass fraction is 4.0% with m(AE₉C)∶m(DEQ)=4∶6,a solution with fixed viscosity is formed and TEM test results depicted random arrangement of rod-like aggregates.

Key words: sodium fatty alcohol ether carboxylate, bis-decylmethylhydroxyethylammonium chloride, mixed property

CLC Number:

TQ423

LIU Xiao-ying, TAI Xiu-mei, DU Zhi-ping, WANG Guo-yong, ZHAO Hui-xian, WANG Tian-zhuang. Study on the properties of blend system of sodium fatty alcohol ether carboxylate and bis-decylmethylhydroxyethylammonium chloride[J].China Surfactant Detergent & Cosmetics, 2015, 45(4): 181-184.

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Study on the properties of blend system of sodium fatty alcohol ether carboxylate and bis-decylmethylhydroxyethylammonium chloride

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