一、前言近十几年来,塑料在建筑上得到了越来越广泛的应用。这对于塑料工业的发展和建筑业的发展都起了很大的推动作用。建筑塑料硬聚氯乙烯(PVC)是一种新兴的建筑材料。据报道,分析硬 PVC 改性后,最时兴的应用是全塑窗框。作为建筑材料应用的 PVC 资源丰富,加工简便,性能优异,能缩短工期,减轻劳动强度,尤其是对于木材资源不足的国家广泛应用建筑塑料就更有其重大的现实意义。就其 PVC First, the preface In the past ten years, plastic has been more and more widely used in construction. This has played a great role in promoting the development of the plastics industry and the construction industry. Building plastic hard PVC (PVC) is a new building materials. It is reported that after the analysis of hard PVC modified, the most fashionable application is the plastic window frame. As a building material application, PVC is rich in resources, simple in processing and excellent in performance, which can shorten the construction period and reduce the labor intensity, and is especially of great practical significance to the extensive application of building plastic in countries with insufficient wood resources. Its PVC