【摘要】 将晶成核剂添加到聚丙烯中进行共混纺丝制得改性聚丙烯纤维，研究了纺丝和拉仲工艺对纤维性能的影响，以及此改性聚丙烯纤维在混凝土中的应用。更多还原

【Abstract】 Modified polypropylene fiber was prepared by copolymerization of polypropylene with B-crystal nucleation agent added for spinning. Study was made of the influence of spinning and stretching process on fiber properties and use of the modified polypropylene fiber in concrete.更多还原