酚酞型聚芳醚酮改性PPS/CF复合材料的制备与性能研究  

Study on Preparation and Properties of PPS/CF Composites Modified by Phenolphthalein Polyaryletherketone

作　　者：赵乐 王潇 葛立立 刘勇[2] 张辉[2] 郭鹏宗 ZHAO Le;WANG Xiao;GE Li-li;LIU Yong;ZHANG Hui;GUO Peng-zong(Zhongfu Shenying(Shanghai)Technology Co.,Ltd.,Shanghai 201324,China;State Key Laboratory for Modification of Chemical Fibers and Polymer Materials,School of Materials Science and Engineering,Donghua University,Shanghai 201620,China)

机构地区：[1]中复神鹰(上海)科技有限公司,上海201324 [2]东华大学材料科学与工程学院纤维材料改性国家重点实验室,海201620

出　　处：《塑料科技》2023年第1期56-60,共5页Plastics Science and Technology

基　　金：中国建材集团攻关专项(2021HX1415)。

摘　　要：采用不同浓度的酚酞型聚芳醚酮(PEK-C)溶液对碳纤维(CF)进行表面处理,并制备了碳纤维增强聚苯硫醚(PPS/CF)复合材料。结果表明:与去浆后CF(CF-A)相比,浓度0.50%的PEK-C溶液处理的CF表面O/C比提升约49.2%,且C—O键和C=O键占比明显提升。说明PEK-C溶液处理可以有效增加CF表面含氧官能团的数量,且在该条件下复合材料的界面性能和弯曲性能大幅提升,相较于未经PEK-C改性的PPS/CF复合材料,0.50%的PEK-C溶液改性后的PPS/CF复合材料层间剪切强度由23.81 MPa提高至38.45 MPa,弯曲强度由709 MPa提高至839 MPa。Carbon fiber(CF)was surface treated with different concentrations of phenolphthalein polyaryletherketone(PEK-C)solution,and the carbon fiber reinforced polyphenylene sulfide(PPS/CF)composites were prepared.The results show that compared with CF(CF-A)after desizing,the O/C ratio of CF surface treated with 0.50%PEK-C solution is increased by about 49.2%,and the proportion of C—O bond and C=O bond are increased significantly.PEK-C solution treatment can effectively increase the number of oxygen-containing functional groups on the surface of CF,and the interfacial properties and bending properties of the composites are greatly improved under this condition.Compared with PPS/CF composites without PEK-C modification,the interlaminar shear strength of PPS/CF composites modified by 0.50%PEK-C solution is increased from 23.81 MPa to 38.45 MPa,and the bending strength of PPS/CF composites modified by 0.50%PEK-C solution is increased from 709 MPa to 839 MPa.

关 键 词：酚酞型聚芳醚酮 层间剪切强度 PPS/CF复合材料 

分 类 号：TB332[一般工业技术—材料科学与工程]