Taiwan Textile Research Institute develops recycled polyethylenimine fibers from aerospace, semiconductor waste; PEI's high stability, lightness, heat resistance, stretchability has use in textiles, circuit boards, boiler filters, fire-resistant equipment

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TAIPEI, Taiwan , August 9, 2022 (press release) –

[Wasted materials from the semiconductor industry turn into high-value textiles]

Supported by the Department of Industrial Technology, TTRI develops PEI fibers, using the Polyethylenimine (PEI) wasted materials from aerospace and semiconductor industries. With PEI’s high stability, lightness, high-temperature resistance, and stretchability, PEI is perfect for the value-added fabric of various purposes such as printed circuit boards, aerospace textiles, bag filters for boilers, and fire-resistant equipment, e-textiles, and general textiles. TTRI also makes the manufacturing process greener by reducing the heat required for processing PEI fiber; therefore, the manufacturing process conforms to a circular economy and zero waste policies.

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