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Surfactant/Emulsifier
New in Surfactant/Emulsifier (page 12 of 14)
Dec 23, 2005 | 02:59 PM CST
Evaluating Shampoo Foam
By: Ken Klein
There is probably no personal care category that is more competitive than shampoos. With this in mind, formulators of shampoos are asked by marketing to develop products to both appeal to consumers and perform (whatever “perform” means).
Dec 13, 2005 | 11:20 PM CST
A Hydrophobically Modified Inulin Surfactant for Preparing and Stabilizing Nanoemulsions
By: T. Tadros, Consultant; E. Vandekerckhove, A. …
Nanoemulsions prepared and stabilized with hydrophobically modified inulin as the surfactant require much less surfactant than nanoemulsions prepared and stabilized using conventional surfactants such as alcohol ethoxylate because they have a reduced Ostwald ripening rate.
Dec 13, 2005 | 11:00 PM CST
Properties of Surfactants: Conditioning
By: Anthony J. O'Lenick, Jr., Siltech LLC
This study of the compatibility, foam properties, and substantivity of quats with sodium lauryl sulfate (SLS) and sodium laureth-3-sulfate (SLES) helps to explain the function of conditioners.
Dec 13, 2005 | 10:49 PM CST
Stabilized Solutions of Zinc Coceth Sulfate for Skin Cleansing and Skin Care
By: Luigi Rigano, L. Rigano Laboratories; Elisabet…
Tests described here show that chelating agents can stabilize solutions of zinc coceth sulfate, enabling this multifunctional active to provide mild skin cleansing, antidandruff, deodorant and skin renewal benefits. The role of zinc species deposition onto skin has also been investigated.
Dec 01, 2005 | 03:57 PM CST
Properties of Surfactants: Emulsions
By: Anthony J. O'Lenick, Jr., Siltech LLC
The metastable nature of two insoluble materials is critical to understanding the nature and performance of emulsions. This metastability and the requirement that the emulsion be cosmetically appealing offer unique challenges to the formulator.
Nov 01, 2005 | 02:55 PM CST
Anionic/Cationic Complexes
By: Anthony J. O'Lenick, Jr., Siltech LLC
Understanding the interactions of surfactants is important to optimizing their properties in formulations. The author describes how the anionic/cationic interaction is critical to properties such as foam, viscosity, conditioning properties and minimal irritation.
Aug 31, 2005 | 06:09 PM CDT
Properties of Surfactants: Detergency
By: Anthony J. O'Lenick, Jr., Siltech LLC
Determining the soils to remove during the cleansing of hair is critical to the understanding of detergency. Here, the author describes how formulators can choose a detergent based on its efficiency specific to the types of oils found commonly on hair.
Aug 03, 2005 | 01:35 PM CDT
Sugar and the Quest for Sulfate-Free Formulations
By: D. Anderson and D. Smith, Colonial Chemical In…
Many approaches have been tried over the years to eliminate lauryl sulfates and lauryl ether sulfates from personal care formulations, most of which have not been cost-effective. This article discusses a new class of patented anionic products based upon sugar raw materials.
Aug 03, 2005 | 01:23 PM CDT
A Surfactant/Biopolymer Stabilizer for Emulsions
By: T. Tadros, Wokingham; S. Leonard and M.-C. Tae…
An emulsifier/biopolymer system using a mixture of nonionic surfactants and two biopolymers was developed. The surfactants provide effective steric stabilization against coalescence, whereas the biopolymers provide a high residual viscosity and yield value, thus providing stability against creaming. The mechanism of stabilization is discussed in terms of the synergy between the two biopolymers.
Aug 03, 2005 | 01:05 PM CDT
Enabling Advanced Emulsions in Microchannel Architecture
By: L. Silva, A.L. Tonkovich, D. Qiu, P. Neagle, K…
An innovative emulsification technology is demonstrated, which can be applied to surfactant-free emulsions and has the propensity for stimuli-responsive behavior. The technology can be used to allow previously difficult product formulations with shear-sensitive materials and controlled, droplet size distribution.