Synthetic Copolymers as Rheology Modifiers for Personal Care Formulations
By: C Jones
Posted: May 6, 2003, from the December 2002 issue of Cosmetics & Toiletries.
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Article Keywords:
- rheology modifier
- acrylate copolymer
- thickener
- polyurethane
- alkali soluble emulsions (ASE)
- hydrophobically-modified alkali soluble emulsions (HASE)
- hydroophobically-modified ethoxylated urethanes (HEUR)
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Formulators of personal care products must meet the ever-increasing expectations of the consumer, In order to develop products that possess excellent appearance, feel and flow characteristics while exhibiting superior performance and functionality, formulation chemists look to specialty ingredients to gain competitive advantage. The featrues and benefits of synthetic copolymers make them attractive candidates as specialty ingredients for personalc care formulations.
Synthetic copolymers are typically available in aqueous solutions. As liquids, they can be directly incorporated into a formulation without any preparation (warming, declumping, dissolving,e tc.), allowing for cold processing, and avoiding the concerns often associated with powders (dustiness, hygroscopic nature, etc.).
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