AES, Trexel to develop microcellular TPV weatherseals

By Patrick Raleigh, ERJ On-line news editor

Akron, Ohio-Advanced Elastomer Systems, part of ExxonMobil Chemical, and Trexel Inc. of Woburn, Massachusettts, have entered a license agreement to develop dynamic automotive weatherseal systems. The products will be based on AES’ Santoprene thermoplastic vulcanisates and Trexel’s patented MuCell microcellular foam process.

MuCell involves the continuous introduction of small, precise amounts of supercritical nitrogen gas into a melt extrusion process. This provides high-speed production of foamed profiles with consistent properties and smooth appearance, claims Trexel.

The agreement part…

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