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Für nur 12,90 EUR

New TPUs with constant melt viscosity and low gel content

von Dr Dirk Kilian, Mizuho Maeda, Masaki Ikuji, Yuusuke Tanaka

Kuraray has recently established an innovative TPU production control technology.
The result of this production technology is consistent, high quality material, with low lot to lot variation in melt viscosity and low gel (fisheye) content. The technology has created a new class of durable TPUs showing excellent properties regarding abrasion resistance, compression set and heat resistance. Based on these advantages, the TPUs can be used for a wide variety of applications in extrusion and injection moulding. In this article we will at first introduce some new and optimised Kuramiron grades as moulding materials and as films.

Here Kuramiron film KU980 will be introduced. These films show superior heat resistance, dimensional stability, high modulus and low gel content. Then we will present the Kuramiron EF series of “green” TPUs. They consist of up to about 53 % renewable raw material, and also show excellent abrasion resistance.

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