The present invention provides a polyoxymethylene resin composition which is excellent in wear resistance and is suitable as materials for various sliding parts. The composition comprises (A) 65-98.8% by weight of a polyoxymethylene resin, (B) 0.2-5.0% by weight of a polyfunctional isocyanate compound, (C) 0.5-20% by weight of an olefin polymer containing 30% by weight or more of ethylene and a functional group containing an active hydrogen, and (D) 0.2-10% by weight of polyethylene.
本发明提供了一种
聚甲醛树脂组合物,该组合物具有优异的耐磨性,适合用作各种滑动部件的材料。该组合物包括(A)65-98.8%(重量百分比)的
聚甲醛树脂,(B)0.2-5.0%(重量百分比)的多官能
异氰酸酯化合物,(C)0.5-20%(重量百分比)的烯烃聚合物,其中含有 30%(重量百分比)或更多的
乙烯和含有活性氢的官能团,以及(D)0.2-10%(重量百分比)的聚
乙烯。