Measurement of Dispersion Quality in Thermoplastics, 2001 Polymers Laminations & Coatings Conference Proceedings

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Measurement of dispersion quality is critical to the successful manufacture and use of pigments and fillers in the plastics industry. There are few, if any, industry standard dispersion tests that relate to release of finished product(s) for use in thermoplastics. Release of products is usually an agreed upon method and quantity of "imperfections" between a supplier and customer.

This paper will review four of the most common methods used to rate dispersion quality; visual examination, microscopic methods, pressure rise and screen pack retention. Ease of use, cost and relevance to dispersion quality will be reviewed.

Author: Holtzen, D.A., Niedenzu, P.
Measurement of Dispersion Quality in Thermoplastics, 2001 Po
Measurement of Dispersion Quality in Thermoplastics, 2001 Polymers Laminations & Coatings Conference Proceedings
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