SPE Middle East Additives & Color Conference & PFAS Symposium
SPE Middle East Additives & Color Conference & PFAS Symposium

Screening Processing Stabilizer Formulations for Polypropylene Using Multifactor Experimental Design and Microcompounding

Presented by:
Niall Marshall, Everspring Middle East

It has been shown that studying the processing stability of polypropylene using continuous micro-compounding provides comparable results with statistical repeatability to the traditional multiple extrusion approach but with the added advantage of being quicker and requiring less material. We have used this approach with a multifactor experimental design to compare the performance of different stabilizer systems made up of different primary- and secondary-antioxidants at different loadings to evaluate the efficacy of stabilizer systems rather than of the various antioxidants themselves.

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