THE EFFECT OF TETRAALKYLAMMONIUM IONS ON THE STABILITY OF DILUTE O/W EMULSIONS

被引:19
作者
JANSSON, M
ERIKSSON, L
SKAGERLIND, P
机构
[1] Institute for Surface Chemistry, Stockholm, S-11486
来源
COLLOIDS AND SURFACES | 1991年 / 53卷 / 1-2期
关键词
D O I
10.1016/0166-6622(91)80042-M
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The effects of tetraalkylammonium ions on the stability of dilute o/w emulsions were investigated with turbidimetric measurements. Large tetraalkylammonium ions were found to induce flocculation of emulsions stabilized by ionic emulsifiers at 10 times lower concentrations compared to divalent cations. Emulsions stabilized by nonionic surfactants were also destabilized by low concentrations of organic ions. Increasing the effective size of sodium ions by inclusion complex formation with a crown ether, was also found to destabilize the emulsion. All these observations demonstrate the importance of the ion size/hydrophobicity on the stability of emulsions in the presence of electrolyte.
引用
收藏
页码:157 / 167
页数:11
相关论文
共 22 条
[1]  
Bergenstahl B, 1988, GUMS STABILIZERS FOO, V4, P363
[2]  
Bergenstahl B., 1986, GUMS STABILISERS FOO, V3, P286
[3]  
BERGENSTAHL B, 1990, IN PRESS FOOD EMULSI
[4]   SYNTHESIS AND ION BINDING OF SYNTHETIC MULTIDENTATE MACROCYCLIC-COMPOUNDS [J].
CHRISTENSEN, JJ ;
EATOUGH, DJ ;
IZATT, RM .
CHEMICAL REVIEWS, 1974, 74 (03) :351-384
[5]  
COOK EJ, 1985, Patent No. 4533254
[7]   STRUCTURAL-CHANGES IN SODIUM DODECYL-SULFATE MICELLES INDUCED BY USING COUNTERION COMPLEXATION BY MACROCYCLIC LIGANDS [J].
EVANS, DF ;
SEN, R ;
WARR, GG .
JOURNAL OF PHYSICAL CHEMISTRY, 1986, 90 (22) :5500-5502
[8]  
EVANS DF, 1988, J PHYS CHEM-US, V12, P784
[9]   PHASE EQUILIBRIA AND THEIR INFLUENCE ON PROPERTIES OF EMULSIONS [J].
FRIBERG, S ;
MANDELL, L .
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1970, 47 (05) :149-&
[10]   MOLECULAR COMPLEXES IN LIQUID CRYSTALLINE STRUCTURES AS A STABILIZER AT LIQUID INTERFACES [J].
FRIBERG, S .
KOLLOID-ZEITSCHRIFT AND ZEITSCHRIFT FUR POLYMERE, 1971, 244 (02) :333-&