聚丙烯薄膜横向拉伸关键技术的研究

Research on the Key Technology of Polypropylene Film Transverse Stretching

在双向拉伸聚丙烯薄膜的生产过程中,横向拉伸是在横向拉伸机内完成的。介绍了横向拉伸机的基本原理及结构,对其存在的关键技术问题进行了总结分析,阐述了相应的解决思路及方法,以便破解国产设备向高速宽幅方向发展的技术难题,促进国内双向拉伸薄膜生产线设计工业的进一步发展。

In the production process of biaxially orientedpolypropylene film,the transverse stretching is completed in thetransverse stretching machine.The basic principle and structure of the transverse stretching machine are introduced,the key technical problems existing in it are summarized and analyzed,and the corresponding solutions and methods are explained,In order to solve the technical problems of the development of domestic equipment in the direction of high speed and wide format,and promote the further development of the domestic biaxially stretched film production line design industry.