Measurement of crystallinity in drawn polyethylene terephthalate fibres by X-ray diffraction
Measurement of crystallinity in drawn polyethylene terephthalate fibres by X-ray diffraction
复制标题
通过 X 射线衍射测量拉伸聚对苯二甲酸乙二醇酯纤维的结晶度
DOI：
10.1088/0508-3443/11/9/515
复制
发表时间：
1960
期刊：
影响因子：
--
通讯作者：
D. Preston
中科院分区：
文献类型：
--
作者：
G. Farrow;D. Preston
提出了一种用X射线技术测定聚对苯二甲酸乙二醇酯纤维拉伸纤维结晶度的方法。严格使用单色X射线辐射，并对X射线相机进行真空处理。这使得用来记录X射线反射的照相胶片不会受到“白”辐射和通常称为“空气散射”的寄生X射线辐射。结果表明，拉伸纱线的结晶度远低于预期，且结晶度与纱线密度之间没有相关性。现已发展的X射线照相法在速度上与另一种用盖革-穆勒计数器记录X射线衍射图的方法不相上下。
A method has been devised for the measurement of crystallinity in drawn fibres of polyethylene terephthalate fibre by an X-ray technique. Strictly monochromatic X-ray radiation is used and the X-ray camera is evacuated. This enables the photographic film, which is used to record the X-ray reflexion, to be free of "white" radiation and parasitic X-ray radiation normally termed "air scatter". The results show that the crystallinity in drawn yarns is much lower than expected and that no correlation exists between the crystallinity so measured and the density of the yarns. The X-ray photographic method that has been developed is now comparable in speed with the alternative method of recording the X-ray diffraction pattern by means of a Geiger-Muller counter.