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Materials

Chinese firm uses Invista process

by Jean-François Tremblay
May 9, 2016 | APPEARED IN VOLUME 94, ISSUE 19

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Credit: Invista
New PTMEG plant in Xinjiang province, a region rich in gas and coal.
Credit: Invista
New PTMEG plant in Xinjiang province, a region rich in gas and coal.

Invista has licensed its process for manufacturing polytetramethylene ether glycol to Xinjiang Blue Ridge Tunhe Chemical Industry, enabling the Chinese firm to start up a 46,000-metric-ton-per-year production line last month. PTMEG, also known as polytetrahydrofuran, is used in the production of stretchy fibers such as spandex. Invista had previously licensed its process for producing butanediol to Blue Ridge.

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