高性能聚苯硫醚长丝的制备工艺  

Preparation process of high-performance polyphenylene sulfide filament

作　　者：许志强 陈江炳 詹莹韬 徐煜东 占海华 黄芽[1] 高占岭 滕晓波 任春颖 赵德方 XU Zhiqiang;CHEN Jiangbing;ZHAN Yingtao;XU Yudong;ZHAN Haihua;HUANG Ya;GAO Zhanling;TENG Xiaobo;REN Chunying;ZHAO Defang(CTA High-tech Fiber Co.,Ltd.,Shaoxing 312000,China;Zhejiang Provincial Innovation Center of Advanced Textile Technology,Shaoxing 312000,China;College of Textile and Garment,Shaoxing University,Shaoxing 312000,China;Zhejiang Sub-center of National Carbon Fiber Engineering Technology Research Center,Shaoxing 312000,China;Shaoxing Sub-center of National Engineering Research Center for Fiber-based Composites,Shaoxing 312000,China;Shaoxing Key Laboratory of High Performance Fibers&Products,Shaoxing 312000,China;Key Laboratory of Clean Dyeing and Finishing Technology of Zhejiang Province,Shaoxing 312000,China;Shaoxing Science and Technology Innovation and Entrepreneurship Service Center,Shaoxing 312000,China;School of Materials Science and Engineering,Zhejiang University,Hangzhou 310058,China;Hailiang Group Co.,Ltd.,Hangzhou 310000,China)

机构地区：[1]凯泰特种纤维科技有限公司,浙江绍兴312000 [2]浙江省现代纺织技术创新中心,浙江绍兴312000 [3]绍兴文理学院纺织服装学院,浙江绍兴312000 [4]国家碳纤维工程技术研究中心浙江分中心,浙江绍兴312000 [5]纤维基复合材料国家工程研究中心绍兴分中心,浙江绍兴312000 [6]绍兴市高性能纤维及制品重点实验室,浙江绍兴312000 [7]浙江省清洁染整重点实验室,浙江绍兴312000 [8]绍兴市科技创新创业服务中心,浙江绍兴312000 [9]浙江大学材料科学与工程学院,杭州310058 [10]海亮集团有限公司,杭州310000

出　　处：《工程塑料应用》2024年第6期149-154,共6页Engineering Plastics Application

基　　金：浙江省“尖兵”“领雁”研发攻关计划项目(2022C01166);绍兴市“揭榜挂帅”制科技项目(2021B41003);浙江省现代纺织技术创新中心(鉴湖实验室)科研专项基金(CXZX2023003HD)。

摘　　要：采用熔融纺丝方法通过纺丝组件的设计制备了高性能聚苯硫醚(PPS)长丝,确定了原料干燥、熔融、喷丝及缓冷区温度和吹风等条件的工艺参数,探讨了纺丝温度、纺丝速度、牵伸温度、定型温度、牵伸倍数等纺丝工艺参数对PPS纤维可纺性和力学性能的影响,确定了最佳纺丝加工工艺参数。结果表明,喷丝时初始压力控制在12 MPa以上,PPS螺杆挤出机各区温度分别为310,320,320,325,330℃,纺丝温度为300~315℃,缓冷区温度为295~310℃,纺丝速度为2 650 m/min,总牵伸倍数为4.9倍,第一热辊、第二热辊和第三热辊温度分别为95,110℃和140℃,制得规格为299 dtex/48 f PPS纤维具有良好的可纺性和优异的力学性能,拉伸断裂强度和断裂伸长率分别可达4.04 cN/dtex和16.4%。High performance polyphenylene sulfide(PPS)filaments were prepared by melt spinning through the design of spinning assembly.The process parameters of drying,melting,spinning and slow cooling zone temperature and blowing etc.were determined.The effects of spinning parameters including spinning temperature,spinning speed,drawing temperature,setting temperature and drawing ratio on the spinnability and mechanical properties of PPS fibers were discussed and the optimum spinning parameters were determined.The results show that the initial pressure of spinning is controlled above 12 MPa,the temperature of each zone of the PPS screw extruder is 310,320,320,325,330℃,the spinning temperature is 300-315℃,the slow cooling zone temperature is 295-310℃,the spinning speed is 2650 m/min,the total drawing ratio is 4.9 times,and the temperature of the first hot roller,the second hot roller,and the third hot roller are 95,110℃and 140℃,respectively.The prepared PPS fiber with a specification of 299 dtex/48 f has good spinnability and excellent mechanical properties.The tensile breaking strength and elongation at break can reach 4.04 cN/dtex and 16.4%,respectively.

关 键 词：聚苯硫醚纤维 熔融纺丝 加工工艺条件 可纺性 力学性能 

分 类 号：TQ340.64[化学工程—化纤工业]