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Gel Type Formulation Utilizing Polymer-Surfactant Interaction  

Kim, Dong-Joo (Cosmetic R&D Center, LG Household & Healthcare Ltd.)
Kang, Tae-Jun (Cosmetic R&D Center, LG Household & Healthcare Ltd.)
Lee, Cheon-Koo (Cosmetic R&D Center, LG Household & Healthcare Ltd.)
Lee, Jung-No (Department of Bio GMP, Korea Bio Polytechnic College)
Publication Information
Journal of the Society of Cosmetic Scientists of Korea / v.33, no.1, 2007 , pp. 7-10 More about this Journal
Abstract
The interaction between polymers and surfactants was investigated by means of rheological and surface tension measurements. The polymers used in this study were acrylates/$C_{10-30}$ alkyl acrylate crosspolymer (AC) and ammonium acryloyldimethyltaurate/VP copolymer (AV). And the surfactants were PEG-40 hydrogenated castor oil (HC) and polysorbate 60 (P60). HC and P60 made the micelles intervening between AC polymers, resulting in the increase of viscosity. However, HC showed a similar behavior over the wider range of surfactant concentration than P60. Regarding of surface tensions in the same range of surfactant concentration, AC/HC solution showed the area of increasing surface tension with surfactant concentration in contrast to the AC/P60 solution showing no increasing area. It is assumed that the micelles between AC/HC were formed so cooperatively and strongly that the surfactants located at the surface originally moved to the micelles.
Keywords
polymer-surfactant interaction; acrylates/$C_{10-30}$ alkyl acrylate crosspolymer; ammonium acryloyldimethyltaurate/VP copolymer; surface tension; rheological;
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