The general situation of production technique and tensile mechanism of biaxial orientation PVC-U tubing are introduced, and their characteristics are explained, which have certain instruction to realize their commercial application. 介绍了PVC-U双轴取向管材的生产技术概况和拉伸机理,对它们的特点进行了说明,对实现工业应用具有一定的指导作用。
A biaxial tensile stress existing in ( 001) γ-LiAlO_2 may contribute to the form of the preferred orientation. 在γ铝酸锂(001)面上的双轴拉应力可能有助于[100]择优取向的形成;
In this review methods of determining polymer orientation using X-ray diffraction are described. It includes uniaxial and biaxial orientation, as well as their calculating methods. 介绍了用X射线衍射法测定结晶聚合物材料取向度定义,单轴和双轴取向及其计算方法。
Based on the analysis of 3 main stretching modes ( uniaxial, constant width and biaxial), the progress in the research on the orientation induced crystallization during stretching of poly ( ethylene terephtalate)( PET) is summarized. 综述了PET在3种拉伸方式(单轴拉伸、平面拉伸和双轴拉伸)下的取向诱导结晶的最新进展。
Progress of recent studies on the deformation mechanism for spherulites of isotactic polypropylene ( I PP) in the uniaxial and biaxial orientation process was introduced. 介绍了近来国内外对单向、双向拉伸过程中全同立构聚丙烯(iPP)晶体内部球晶形变机理的研究进展。
Development of Pearl Masterbatch for Biaxial Orientation Polypropylene Films 白色双向拉伸聚丙烯薄膜专用珠光母料的研制
Current technical situation of producing biaxial orientation PVC-U tubing PVC-U双轴取向管材生产技术现状
The biaxial orientation enhancement technology of plastic pipe is a new production technology in the plastic pipe field, which means stretching the pipe in axial direction and expanding the pipe in hoop direction in production process so that the axial and hoop properties are self-reinforced. 双向拉伸自增强技术是一种制备高性能塑料管材的生产方法,该方法通过对管材进行轴向和环向拉伸取向,使管材力学性能得到自增强。