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- W131796125 abstract "Methyl glucose based emulsifiers such as Glucamate SSE-20 ( PEG-20methyl glucose sesquistearate) and Glucate SS (methyl glucosesesquistearate) are widely used in the application of cosmetic products. Themethyl glucoside products have excellent safety, mildness and effectiveness.Although these methyl glucosides are widely used as emulsifiers, little is knownabout their phase behaviour in binary and ternary systems. The phasebehaviours in binary and ternary system have been studied at 80°c undervisual observation by polarizing light and they were confirmed by polarizationmicroscope. In the binary system, lamellar phases (La) were observed at thecombination of 60/40, 70/30 and 80/20 of glucamate SSE-20 and glucate SS. Itwas identified as maltese crosses and oily streaks. When heated at 80°C, theoily streaks pattern of 70/30 took a longer time to change to isotropic phases ifcompared to the other ratios. This observation correlated well with yield val ue,viscosity, and thixotropy in the following order 70/30> 60/40>80/20.In the ternary system (mixed sugar based emulsifiers/water/mediumchain triglycerides), the optical pattern indicated a combination of maltesecrosses + oily streaks, maltese crosses and oily streaks texture alone. Thissystem exhibited viscoelastic propertiesEqual ratio of medium chain triglycerides and water (1/1) were emulsifiedwith 5% w/w of mixed non ionic sugar-based surfactants with varioushydrophilic-lipophilic balance val ues (HLBs). The HLB numbers ranged from6.6 to 15.0. The effect of H LB and with and without hydrocolloids on stability,particle size droplet and rheological properties of the resulting emulsions werestudied. The presence of hydrocolloids in the emulsion system dramaticallylowers the interfacial tension and thus increased interparticle attraction, weakvan der Waals and increased steric repulsion to stabilize the system. Thesystems show increasing viscosity, yield value, critical stress and exhibitviscoelastic properties The ratio of bound water and bulk water in emulsion system isdetermined by thermogravimetry. Shifting the ratio of bound water and bulkwater may result in regulated release of water, a principle that can be used toproduce cream or lotion with controlled release of moisture" @default.
- W131796125 created "2016-06-24" @default.
- W131796125 creator A5056966390 @default.
- W131796125 date "2001-12-01" @default.
- W131796125 modified "2023-09-24" @default.
- W131796125 title "Association behaviour and rheology of palm based emulsion using mixed sugar based emulsifiers" @default.
- W131796125 hasPublicationYear "2001" @default.
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