TY - JOUR
T1 - Brominated surfactants as emulsifiers and weighting agents. Part III
T2 - Weighting properties
AU - Frenkel, M.
AU - Krauz, Z.
AU - Garti, N.
PY - 1983/11
Y1 - 1983/11
N2 - A new concept was developed as a result of this study: preparation of surfactants which combine weighting and emulsifying functions in one compound. An example is the bromination of unsaturated commercial surfactants to increase their specific gravity. Both non-ionic and anionic surfactants were brominated. By using proper amounts of the new emulsifiers-weighting agents in oil-in-water emulsions, the specific gravity of the oil droplets can be equalized to that of water, very stable emulsion are obtained and no creaming occurs. Larger amounts of these emulsifier-weighting agents in the system increase the specific gravity of the oil droplets to values higher than one. Consequently, downward creaming (sedimentation) occurs, providing substantial evidence for their weighting properties.
AB - A new concept was developed as a result of this study: preparation of surfactants which combine weighting and emulsifying functions in one compound. An example is the bromination of unsaturated commercial surfactants to increase their specific gravity. Both non-ionic and anionic surfactants were brominated. By using proper amounts of the new emulsifiers-weighting agents in oil-in-water emulsions, the specific gravity of the oil droplets can be equalized to that of water, very stable emulsion are obtained and no creaming occurs. Larger amounts of these emulsifier-weighting agents in the system increase the specific gravity of the oil droplets to values higher than one. Consequently, downward creaming (sedimentation) occurs, providing substantial evidence for their weighting properties.
UR - http://www.scopus.com/inward/record.url?scp=0020844748&partnerID=8YFLogxK
U2 - 10.1016/0166-6622(83)80071-7
DO - 10.1016/0166-6622(83)80071-7
M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???
AN - SCOPUS:0020844748
SN - 0166-6622
VL - 8
SP - 45
EP - 54
JO - Colloids and Surfaces
JF - Colloids and Surfaces
IS - 1
ER -