New method for producing high-performanc
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Don K. Brandom; Josรฉ P. Desouza; Donald G. Baird; Garth L. Wilkes
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Article
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1997
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John Wiley and Sons
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English
โ 197 KB
๐ 2 views
A new method for the production of foamed thermoplastic polymers from blends of a poly(aryl ether ketone) (PAEK) and polyetherimide (PEI) is presented. The blowing agent for the foaming process is water which is produced at elevated temperatures in an extruder, via an in situ reaction between an ami