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Tools for Optimal Mixture Design

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CIOL Bureau
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Powerful desktop computer tools now make it easy to optimize paint formulations.  Aided by the computer, statistically based design of experiments (DOE — a proven method for making breakthrough improvements in cost and performance — can be applied.  The latest versions of dedicated DOE software exhibit more versatility than ever to create optimal designs that handle any combination of mixture components, processing factors (such as time or temperature) and categorical variables (such as supplier and material type).  These computer programs easily manipulate almost any number of responses in powerful optimization routines that reveal "sweet spots"—the operating windows that meet all specifications at minimal cost.

This article reviews the basic principles of mixture design, and applies state-of-the-art tools for optimal design to the formulation of a coating.

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