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Formulating
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Aug 31, 2005 | 05:58 PM CDT
Biodegradable Chelating Agents to Gain the “Green” Advantage
By: Matthew Giles, PhD, Octel Performance Chemical…
Chelating agents are rarely used in large volumes, but cumulatively they are a potential source of environmental damage. A recent but now well-proven alternative is trisodium ethylenediamine disuccinate (EDDS).
Aug 03, 2005 | 02:01 PM CDT
A Baby Care Skin Protectant
By: Charles Fox, Independent Consultant
A Bioderm Research patent discusses baby care skin protectant compositions containing zeolites for diaper rash. The invention is based on certain novel divalent metal and quaternary ammonium complexes (ion pairs) of zeolites.
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.
Jul 25, 2005 | 01:07 PM CDT
Formulating Infant Skin Care Products
By: E.K. Boisits and S.R. Schwartz, International …
Knowledge of neonatal skin is essential to formulate safe and effective products for infant skin. Once the safety profile of a formulation has been established, performance testing is required to assess the effectiveness of the material relative to its intended purpose.
Jul 25, 2005 | 01:05 PM CDT
Thermoplastic Silicone Elastomers Improve Nail Polish Performance
By: A. Schlosser and L. Hassenzahl, Wacker Chemica…
A new thermoplastic silicone elastomer (TPSE) is shown here to improve scratch resistance, chip-off, feel, smoothness, gloss, and color in a nail polish formulation when compared with a formulation without TPSE. The new ingredient proves to be an interesting technology for optimizing nail polishes.
Jul 25, 2005 | 01:01 PM CDT
Advances in Polymers for Hair Coloring
By: R.Y. Lochhead, The University of Southern Miss…
This article surveys patents and technical literature, principally from the past 10 years, to report advances in polymers used for dyeing hair, color retention,and hair lightening. Associative thickeners (anionic, cationic, amphoteric, nonionic, HASE, HEUR), nonassociative thickeners, and silicones are discussed.
Jul 25, 2005 | 12:56 PM CDT
Properties of Surfactants: Wetting
By: Anthony J. O'Lenick, Jr., Siltech LLC
In formulation, the key attributes of surfactants are conditioning, wetting, emulsification, and detergency. This article describes the features of surfactants that provide wetting properties in aqueous systems. Specifically, the properties of interest include surface tension reduction, HLB, molecular weight, branching, and level of ethoxylation. The choice of the best wetting agent depends upon chemical structure and the formulation.
Jan 07, 2004 | 04:39 PM CST
Multi-Sensory Technologies for Today’s Effervescent Bath and Shower Products
By: Allen H. Rau, Phyzz Inc.
Effervescent shower tablets, floating/foaming fizz and blooming bath oils arouse bathers’ olfactory, visual, tactile and auditory senses to new levels. Formulators and developers have novel options for creating new product concepts.