碳纤维水性杂化上浆剂的制备及其上浆后力学性能

刘赋瑶, 董余兵, 傅雅琴

刘赋瑶, 董余兵, 傅雅琴. 碳纤维水性杂化上浆剂的制备及其上浆后力学性能[J]. 复合材料学报, 2017, 34(10): 2156-2163. DOI: 10.13801/j.cnki.fhclxb.20161220.001
引用本文: 刘赋瑶, 董余兵, 傅雅琴. 碳纤维水性杂化上浆剂的制备及其上浆后力学性能[J]. 复合材料学报, 2017, 34(10): 2156-2163. DOI: 10.13801/j.cnki.fhclxb.20161220.001
LIU Fuyao, DONG Yubing, FU Yaqin. Preparation and sizing performance of carbon fiber aqueous hybrid sizing agent[J]. Acta Materiae Compositae Sinica, 2017, 34(10): 2156-2163. DOI: 10.13801/j.cnki.fhclxb.20161220.001
Citation: LIU Fuyao, DONG Yubing, FU Yaqin. Preparation and sizing performance of carbon fiber aqueous hybrid sizing agent[J]. Acta Materiae Compositae Sinica, 2017, 34(10): 2156-2163. DOI: 10.13801/j.cnki.fhclxb.20161220.001

碳纤维水性杂化上浆剂的制备及其上浆后力学性能

基金项目: 国家自然科学基金(51473147);重中之重学科——纺织科学与工程/开放基金(2016 KF02)。
详细信息
    通讯作者:

    傅雅琴,博士,教授,博士生导师,研究方向为纺织复合材料及复合技术,E-mail:fyq01@zstu.edn.cn

  • 中图分类号: TB332;TQ327.3

Preparation and sizing performance of carbon fiber aqueous hybrid sizing agent

  • 摘要: 以一定比例的甲基三乙氧基硅烷、正硅酸乙酯、对甲苯磺酸、γ-氨丙基三乙氧基硅烷、无水乙醇制备含硅溶胶,将含硅溶胶和聚醚型水性聚氨酯的水溶液以一定比例复合,制备碳纤维水性杂化上浆剂。研究了不同配比对上浆剂平均粒径和稳定性的影响,结果表明:当水性聚氨酯含量为0.02 g/mL时,上浆剂乳液平均粒径为99.94 nm,粒径分布较窄,稳定性较好;使用制备的杂化上浆剂对碳纤维进行上浆处理,结果显示:上浆后碳纤维单丝拉伸强度较商用碳纤维提高4.45%,较未上浆碳纤维提高11.04%;与环氧树脂复合后的复合材料界面剪切强度比商用碳纤维增强环氧树脂复合材料的提高了13.74%。
    Abstract: A silane hybrid sol was synthesized by a certain percentage of methyl triethoxysilane (MTES), tetraethyl orthosilicate (TEOS), p-toluenesulfonic acid (PTSA), γ-aminopropyl triethoxysilane (APS) and absolute ethanol via a sol-gel process. An aqueous solution of polyether waterborne polyurethane (WPU) and silane hybrid sol were mixed in a certain proportion to prepare the aqueous sizing agent for carbon fiber. The effects of different ratio for average particle size and stability of the sizing agent were investigated.The results show that the average particle diameter of sizing emulsions is 99.94 nm when the aqueous polyurethane concentration is 0.02 g/mL. And sizing possess narrow particle size distribution and good stability. Adopting dip-coating method to treat carbon fiber surface with the prepared sizing agent, the monofilament tensile strength of the sized carbon fiber increases by 4.45% than the commercial carbon fibers, and increases by 11.04% than unsized carbon fiber; The interfacial shear strength of treated carbon fiber/epoxy resin composites increases by 13.74%.
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出版历程
  • 收稿日期:  2016-10-13
  • 刊出日期:  2017-10-14

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