周秀苗,等:尼龙 11工程塑料的应用 31 2.W uhuan Chemical Engineering Co.0l China,Wuhan 430079,China) ABSTRACT The physical and chemical properties of the engineering plastics Nylon 1 1 and its application in the fields of Auto— mobile,pipeline,military industry,electron industry etc are introduced.And its application prospect of Nylon 1 1 is forecast.Because of the unique properties of high strength,impact re