酚醛纤维形态结构和性能测试分析
2023-11-15 14:17:52   来源：   评论：0 点击：

  关键词：酚醛纤维；形态结构；性能测试；热重；红外光谱；质谱；色谱
中图分类号：TS102.5            文献标志码：A            文章编号：1001-9634(2023)05-0027-05
 
收稿日期：2022-05-12；修回日期：2023-04-05
作者简介：吴俊霖（1998—），男，湖南湘潭人，主要从事酚醛纤维及其纺纱工艺设计方面的工作。
   
Abstract:In order to provide reference for the preparation，spinning and application of phenolic fiber in our country，the performance properties and developments abroad of phenolic fiber are introduced.By testing microstructure，linear density，strength，moisture regain，electrical resistivity and other indexes，the advantages and disadvantages of phenolic fibers developed by our country in morphological structure，mechanical properties，thermal properties，and functional groups and cycle units of fiber are analyzed in detail.The results show that the linear density of phenolic fiber is similar to that of wool fiber，and the surface is smooth without grooves.Strength of phenolic fiber is low，so it is easy to produce broken and winding；moisture regain of phenolic fiber is low，and electrical resistivity of phenolic fiber is large，so it is easy to produce static electricity；phenolic fiber contains only three elements of C，H，O，so high temperature combustion is without toxic gas，and flame retardant and heat resistance is good.It is pointed out that the properties of phenolic fiber can be improved by adjusting the process parameters such as reducing the curing temperature，improving surface roughness of fiber，increasing the friction factor of fiber surface and reducing the linear density of fiber，and phenolic fiber can be blended with wool fiber to develop flame retardant fabric.
Key Words:phenolic fiber；morphological structure；performance test；thermogravimetric；infrared spectrum；mass spectrometry；chromatography
 
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