预氧化过程中PAN共聚纤维密度与结构关系的研究  

STUDY ON THE RELATIONSHIP BETWEEN DENSITY AND STRUCTURE OF PAN COPOLYMER FIBERS DURING THERMAL OXIDATION PROCESSES

作　　者：刘杰 林宏云 李仍元 王平华 

机构地区：[1]安徽大学高分子材料研究所

出　　处：《合成纤维工业》1993年第3期37-42,共6页China Synthetic Fiber Industry

摘　　要：采用连续实验装置与工艺,借助密度、X射线衍射、红外光谱、元素分析等技术,研究了聚丙烯腈共聚纤维在连续预氧化过程中密度与结构之间的关系及有关反应过程与影响因素.研究结果表明,预氧化过程中 PAN 共聚纤维密度的变化不仅可反映出纤维结构上的各种化学和物理变化,亦可以作为一种工业生产的控制指标.By means of density measurement,X-ray,infra-red and element analysis,the relationship between densi-ty and structure of PAN fibers during constructive thermal oxidation at temperature from 2000 to 280℃ wasinvestigated.It was reveled that the change in density caused by thermal oxidation in air can reflect thechanges in structure;and also can be used as an effective method to control heat-treating process in industryarea.

关 键 词：碳纤维 密度 结构 预氧化 

分 类 号：TQ342.742[化学工程—化纤工业]