| 摘要 |
Elastic polyurethane/polyoxymethylene blend in which the polyurethane has iso(thio)cyanate or hydroxyl end groups, and the polyoxymethylene has end groups inert to these. Blend pref. contains 40-60% polyoxymethylene (either a homopolymer of a ternary polymer with at least a bifunctional branching agent). The polyurethane pref. has an elongation of 100-1200%. |
