发明授权
US5455312A Process for the preparation of plastics containing thermoplastic polyurethanes 失效
制备含热塑性聚氨酯的塑料的方法

Process for the preparation of plastics containing thermoplastic
polyurethanes
摘要:
The present invention relates to a process for the preparation of plastics containing thermoplastic polyurethanes and optionally other components comprising (a) melting and homogenizing a thermoplastic polyurethane in an extruder, and (b) adding an isocyanate to said extruder containing the melted and homogenized thermoplastic polyurethane.
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