Abstract
The present invention relates to a thermoplastic polyurethane which are obtainable or obtained by the reaction of a polyisocyanate composition, a chain extender and a polyol composition, wherein the polyol composition comprises at least one polyol (Pl) having a molecular weight Mw in the region of 500 to 2500 g/mol and comprising at least one aromatic polyester block (BI), wherein the Polyol (Pl) has 20 to 70 wt.-% of the aromatic polyester-blocks (BI) with respect to the total polyesterpolyol (Pl). The present invention also relates to a method for producing a shaped body comprising such a thermoplastic polyurethane, and to shaped bodies obtainable or obtained by a claimed method.
| Translated title of the contribution | Transparent hard thermoplastic polyurethanes. |
|---|---|
| Original language | German |
| Patent number | WO2019/243334Al |
| Priority date | 19/06/19 |
| Filing date | 18/06/19 |
| Publication status | Published - 26 Dec 2019 |