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METHOD FOR PREPARING A THERMOPLASTIC POLYURETHANE HAVING A LOW GLASS TRANSITION TEMPERATURE
METHOD FOR PREPARING A THERMOPLASTIC POLYURETHANE HAVING A LOW GLASS TRANSITION TEMPERATURE
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机译:具有低玻璃态转变温度的热塑性塑料的制备方法
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摘要
The present invention is directed to a method for preparing a thermoplastic polyurethane having a low glass transition temperature. The process according to the present invention comprises the steps of providing at least one polyol composition (P) comprising a poly-ε-caprolactone polyol (P1), and a second polyol (P2) which is different from the first polyol (P1), and reacting the at least one polyol composition (P) with at least one polyisocyanate (P1) and at least one low molecular weight diol (CE) optionally in the presence of at least one catalyst (CA) and/or at least one additive (AD) to obtain a thermoplastic polyurethane. The present invention is also directed to the thermoplastic polyurethane obtained according to the process of the prestn invention and the use thereof in extruded articles and injection molded articles.
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