RHEOLOGY CONTROL & EVALUATION

AUGUST 26, 2008

Hilton Stamford hotel, stamford, ct

INSTRUCTED BY DENNIS LABA

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COURSE OUTLINE

The objective of this course is to help provide a practical understanding of the principles behind cosmetic flow, how it is measured and its applications in the cosmetic area. It will also go into detail examining rheological behaviors, the profiles of some commercially successful products, and some hands-on discovery.

RHEOLOGICAL PRINCIPLES

Shear Stress, Shear Strain, Shear Rate, Viscosity, Yield Values

FLOW BEHAVIORS

Newtonian, Plastic, Pseudoplastic, Dilatent, Thixotropic, Viscoelastic. Commerical examples of different flows.

INSTRUMENTATION

Simple Viscometers vs Complex Rheometers. Rotational, Concentric Cylinder, Cone and Plate, Oscillatory and Controlled Stress (Creep) Rheometers. Commerical Rheometer comparisons, Interpreting rheological profiles.

RHEOLOGICAL ADDITIVES

Classes and properties of additives

Causes behind flow types

THE RHEOLOGY OF COSMETIC PRODUCTS

Emulsions, Nail Products, Lip Products, Hair Products, Eye Products, Antiperspirants and Sunscreens

-Rheological Profile Comparisons of Commercial Products

-Rheology in the Pilot Plant, Manufacturing and Stability Testing

-A Review of recent articles and references

About The Instructor

Dennis Laba is the Director of Technical Marketing for Personal Care Ingredients at PRESPERSE, Inc., located in Somerset, NJ. He has 27 years experience in the cosmetic industry, has authored a number of professional papers, edited a book on rheology in Marcel Dekker’s Cosmetic Science and Technology Series, holds several US Patents, and was a contributing author in the latest edition of Harry’s Cosmeticology. He has earned his B.S. degree in biology from Rutgers University, and his M.S. degree in Industrial Pharmacy from Long Island University. Mr. Laba is a Fellow of the Society of Cosmetic Chemists, and has held previous technical positions with Elementis Specialties, Reheis Chemical and Block Drug.

-Course hours: 9:00 A.M. – 5:00 P.M.

-Registration fee includes all course

materials, lunch, coffee & beverage breaks.

*Parking fees not included.

-All checks are to be paid in U.S. Dollars drawn on a bank with an address in the United States and made payable to The Society Of Cosmetic Chemists.