Download Colloids in Cosmetics and Personal Care, Volume 4 by Tharwat F. Tadros PDF

By Tharwat F. Tadros

Content material:
Chapter 1 Colloid facets of beauty Formulations with specific connection with Polymeric Surfactants (pages 1–34): Prof. Dr. Tharwat F. Tadros
Chapter 2 formula and Stabilization of Nanoemulsions utilizing Hydrophobically changed Inulin (Polyfructose) Polymeric Surfactant (pages 35–50): Prof. Dr. Tharwat F. Tadros, Martine Lemmens, Bart Levecke and Karl Booten
Chapter three Integrating Polymeric Surfactants in beauty Formulations for the Enhancement in their functionality and balance (pages 51–60): Prof. Dr. Tharwat F. Tadros, Martine Lemmens, Bart Levecke and Karl Booten
Chapter four program of Colloid and Interface technological know-how rules for Optimization of Sunscreen Dispersions (pages 61–78): Lorna M. Kessell, Benjamin J. Naden, Ian R. Tooley and Prof. Dr. Tharwat F. Tadros
Chapter five Use of Associative Thickeners as Rheology Modifiers for Surfactant platforms (pages 79–91): Prof. Dr. Tharwat F. Tadros and Steven Housley
Chapter 6 beauty Emulsions in response to Surfactant Liquid Crystalline levels: constitution, Rheology and Sensory review (pages 93–105): Prof. Dr. Tharwat F. Tadros, Sandra Leonard, Cornelis Verboom, Vincent Wortel, Marie?Claire Taelman and Frederico Roschzttardtz
Chapter 7 own Care Emulsions in response to Surfactant–Biopolymer combinations: Correlation of Rheological Parameters with Sensory Attributes (pages 107–126): Prof. Dr. Tharwat F. Tadros, Sandra Leonard, Cornelis Verboom, Vincent Wortel, Marie?Claire Taelman and Frederico Roschzttardtz
Chapter eight Correlation of “Body Butter” Texture and constitution of beauty Emulsions with Their Rheological features (pages 127–144): Prof. Dr. Tharwat F. Tadros, Sandra Leonard, Cornelis Verboom, Vincent Wortel, Marie?Claire Taelman and Frederico Roschzttardtz
Chapter nine Interparticle Interactions in colour Cosmetics (pages 145–168): Lorna M. Kessell and Prof. Dr. Tharwat F. Tadros
Chapter 10 Starch?Based Dispersions (pages 169–246): Ignac Capek
Chapter eleven In Vivo dermis functionality of a Cationic Emulsion Base compared to an Anionic procedure (pages 247–257): Slobodanka Tamburic
Chapter 12 The impression of Urea at the Colloidal constitution of Alkylpolyglucoside?Based Emulsions: Physicochemical and In Vitro/In Vivo Characterization (pages 259–274): Snezana Savic, Slobodanka Tamburic, Biljana Jancic, Jela Milic and Gordana Vuleta
Chapter thirteen types for the Calculation of solar safeguard components and Parameters Characterizing the UVA safeguard skill of beauty Sunscreens (pages 275–308): Bernd Herzog

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Extra info for Colloids in Cosmetics and Personal Care, Volume 4

Example text

For liposomes and vesicles 14P42/3; for lamellar micelles PQ1; and for reverse micelles P41. The packing parameter can be controlled by using mixtures of surfactants to arrive at the most desirable structure. The most useful liquid crystalline structures in personal care applications are those of the lamellar phase. These lamellar phases can be produced in emulsion systems by using a combination of surfactants with various HLB numbers and choosing the right oil (emollient). In many cases, liposomes and vesicles are also produced by using lipids of various compositions.

A porous plate is used to produce a thin film with radius r between two oil droplets and the capillary pressure can be gradually increased to values reaching 45 kPa. 14 shows the variation of disjoining pressure with film thickness at various NaCl concentrations. It can be seen that by increasing the capillary pressure a stable Newton black film (NBF) is obtained at a film thickness of P7 nm. 5 Â 10 4 Pa, clearly indicates the high stability of the liquid film in the presence of high NaCl concentrations (2 mol dmÀ3).

19, which shows the variation of r 3 with time for nanoemulsions prepared using the PIT method and the homogenizer. It can be seen that the rate of Ostwald ripening is smaller for nanoemulsions prepared using the homogenizer when compared with the rate obtained using the PIT method. Further evidence for Ostwald ripening was obtained by using a more soluble oil, namely a branched hexadecane (Arlamol HD). 20 for nanoemulsions prepared using 4% surfactant. 19 Comparison of Ostwald ripening using the PIT method and the Emulsiflex.

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