Verfahren zur Herstellung von transparenten harten thermoplastischen Polyurethanen

Translated title of the contribution: Process for producing transparent hard thermoplastic polyurethanes

Z. Tomovic (Inventor), Sebastian Richter (Inventor), Frank Schaeffer (Inventor)

Research output: PatentPatent publication

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The present invention relates to a thermoplastic polyurethane obtainable or obtained by conversion of a polyisocyanate composition, a chain extender and a polyol composition, wherein the polyol composition includes at least one polyol (PI) having a molecular weight Mw in the range from 500 to 2000 g/mol and has at least one aromatic polyester block (BI), wherein the hard segment content in the thermoplastic polyurethane is < 75%. The present invention further relates to a process for producing a shaped body comprising such a thermoplastic polyurethane, and to shaped bodies obtainable or obtained by a process of the invention.
Translated title of the contributionProcess for producing transparent hard thermoplastic polyurethanes
Original languageGerman
Patent numberWO2018115464
Filing date22/12/17
Publication statusPublished - 28 Jun 2018
Externally publishedYes


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