Modification of Waste Carbon Fiber Prepreg by Debonder and Its Effect on the Mechanical Properties and Electrical Conductivity of Concrete
GAO Chenyu1, WANG Yan1,2,*, ZHANG Shaohui1, LI Aoyang1, WU Jie1, HUO Yuren1, LU Guannan3
1 School of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China; 2 State Key Laboratory of Green Building, Xi'an University of Architecture and Technology, Xi'an 710055, China; 3 China Road and Bridge Construction Company, Beijing 100027, China
Abstract: In 2024, about 34 600 tons of waste carbon fiber prepreg(WCFP)would be produced in the production process of carbon fiber in China, and the acid and alkali solution treatment methods are prone to cause a decline of fiber performance. In the study, debonder in the field of electronic components was used to modify WCFP with different resin contents(28%, 33%, 38%). The microscopic morphology, surface roughness, resin residue rate and surface functional groups of WCFP were studied, and the mechanism of debonder-modified WCFP(DM-WCFP) modified by debonder on the electrical conductivity of concrete was explored. The results showed that when the resin content is 28% and the decomposition rate of the resin by the debonder is 65.38%. A small amount of epoxy resin particles remaine on the fiber surface, when the debonder is reused once and twice, the decomposition rates of the resin are 54.98% and 37.00%, respectively, reaching 84% and 56% of the initial treatment effect of the debonder. When WCFP with a resin content of 28% is modified and the dosage is 0.6%, the increase in compressive strength and flexural strength of the specimen reach the maximum, which are 16.51% and 30.79%, respectively. The decomposition rates of WCFP with 28% resin content reachs the conductivity threshold when the dosage is 0.8% and 1.0%, and the decomposition rates of WCFP surface epoxy resin with different resin contents are 65.38%, 60.77% and 58.87%, respectively. When the modified WCFP with a resin content of 33% is added at a dosage of 1.0%, the specimen reachs the conductivity threshold.
高晨宇, 王艳, 张少辉, 李奥阳, 吴杰, 霍钰仁, 卢冠楠. 解胶剂改性废弃碳纤维预浸料及其对混凝土力学及导电性能的影响[J]. 材料导报, 2026, 40(6): 25050007-11.
GAO Chenyu, WANG Yan, ZHANG Shaohui, LI Aoyang, WU Jie, HUO Yuren, LU Guannan. Modification of Waste Carbon Fiber Prepreg by Debonder and Its Effect on the Mechanical Properties and Electrical Conductivity of Concrete. Materials Reports, 2026, 40(6): 25050007-11.
1 Liu Y T. Study on the rheological properties of concrete and its mechanical-electrical properties of compound-mixed conductive materials. Master's Thesis, Northeast Electric Power University, China, 2024(in Chinese). 刘晏廷. 复掺导电材料混凝土流变性能及其力学电学性能研究. 硕士学位论文, 东北电力大学, 2024. 2 Hu Q L, Bian G F, Qiu Y P, et al. Journal of Textile Research, 2021, 42(10), 75(in Chinese). 胡侨乐, 边国丰, 邱夷平, 等. 纺织学报, 2021, 42(10), 75. 3 Ji Z J, Dong J C, Liang L, et al. Acta Materiae Compositae Sinica, 2024, 41(9), 4791(in Chinese). 纪正江, 董佳晨, 梁良, 等. 复合材料学报, 2024, 41(9), 4791. 4 Zhang J, Lin G, Vaidya U, et al. Composites Part B:Engineering, 2023, 250, 110463. 5 Bianchi I, Forcellese A, Marconi M, et al. Sustainable Materials and Technologies, 2021, 29, e00308. 6 Lopera-valle A, Wilson P, Coles S R, et al. Journal of Cleaner Production, 2025, 507, 145546. 7 Hanaoka T, Ikematsu H, Takahashi S, et al. Composites Part B: Engineering, 2022, 231, 109560. 8 Wang Y, Sun L, Li A, et al. Construction and Building Materials, 2024, 415, 135033. 9 Preet S, Smith S T. Journal of Cleaner Production, 2024, 448, 141661. 10 Su P, He Y, Feng Y, et al. Solar Energy Materials and Solar Cells, 2024, 277, 113109. 11 Wang Y, Li W J, Li A Y, et al. Acta Materiae Compositae Sinica, 2024, 41(12), 6661(in Chinese). 王艳, 李文俊, 李奥阳, 等. 复合材料学报, 2024, 41(12), 6661. 12 Zhang S H, Wang Y, Niu D T. Materials Reports, 2020, 34(23), 23042(in Chinese). 张少辉, 王艳, 牛荻涛. 材料导报, 2020, 34(23), 23042. 13 GB/T 28461-2012 Carbon fiber prepreg, Standards Press of China, China, 2012(in Chinese). GB/T 28461-2012 碳纤维预浸料, 中国标准出版社, 2012. 14 Fu Q, Zhou Z, Wang Z, et al. Cement and Concrete Composites, 2022, 129, 104471. 15 Ma S, Jin S S. Materials Reports, 2022, 36(S1), 252(in Chinese). 马帅, 金珊珊. 材料导报, 2022, 36(S1), 252. 16 GB/T 50081-201 Standard for test methods of mechanical properties of concrete, China Architecture & Building Press, China, 2019(in Chinese). GB/T 50081-201 混凝土力学性能试验方法标准, 中国建筑工程出版社, 2019. 17 CECS 13-2009 Standard for test methods of fiber reinforced concrete, China Planning Press, China, 2010(in Chinese). CECS 13-2009 纤维混凝土试验方法标准, 中国计划出版社, 2010. 18 Wang Z H, Bai E L, Ren C, et al. Acta Materiae Compositae Sinica, 2024, 41(10), 5504(in Chinese). 王志航, 白二雷, 任彪, 等. 复合材料学报, 2024, 41(10), 5504. 19 A S H, Zhang J P, Li F F, et al. Acta Materiae Compositae Sinica, 2025, 21(10), 354(in Chinese). 阿斯哈, 张金鹏, 李芳芳, 等. 复合材料学报, 2025, 21(10), 354. 20 Kang J, Liu H, Li H Y, et al. CIESC Journal, 2024, 12(60), 438(in Chinese). 康佳, 刘欢, 李海燕, 等. 化工学报, 2024, 12(60), 438. 21 Wu L F, Zhu H Y, Shen X S, et al. China Surface Engineering, 2024, 37(1), 110(in Chinese). 吴连锋, 朱洪宇, 申小松, 等. 中国表面工程, 2024, 37(1), 110. 22 Wang J, Wang L, Deng H, et al. Colloids and Surfaces A:Physicochemical and Engineering Aspects, 2025, 717, 136788. 23 Song Y, Cao H, Wang Q, et al. Composites Part B:Engineering, 2022, 245, 110230. 24 Ding H B, Zhang J Q, Cai P. Polymer Materials Science and Engineering, 2011, 27(2), 83(in Chinese). 丁宏博, 张剑秋, 蔡培. 高分子材料科学与工程, 2011, 27(2), 83. 25 Gao Y F, Zhang D D, Zhao Q L, et al. Acta Materiae Compositae Sinica, 2022, 39(12), 6065(in Chinese). 高一峰, 张冬冬, 赵启林, 等. 复合材料学报, 2022, 39(12), 6065. 26 Wu D B. Preparation and lithium/sodium storage properties of electrode materials based on small carbonyl organic molecules. Ph. D. Thesis, Huazhong University of Science and Technology, China, 2019(in Chinese). 吴大贝. 基于羰基小分子的有机电极材料的制备及其储锂/钠性能. 博士学位论文, 华中科技大学, 2019. 27 Liu H C, Wei L W, Zhang M J, et al. High Voltage Technology, 2024, 50(11), 5087(in Chinese). 刘贺晨, 魏利伟, 张铭嘉, 等. 高电压技术, 2024, 50(11), 5087. 28 Ramspoth T F, Flapper J, Van K J, et al. Green Chemistry, 2024, 26(6), 3346. 29 Lan H Y, Li Q Y, Huang D Z, et al. Fine Chemicals, 2018, 35(7), 1255(in Chinese). 蓝虹云, 李庆永, 黄道战, 等. 精细化工, 2018, 35(7), 1255. 30 Cheng J S, Wan W H, Chen X Y, et al. Transactions of the Chinese Society of Agricultural Engineering, 2015, 31(12), 288(in Chinese). 程金生, 万维宏, 陈信炎, 等. 农业工程学报, 2015, 31(12), 288. 31 Peng Y P, Zhang E X, Chen C H, et al. Chemosphere, 2022, 308, 136217. 32 Han W Y, Zhang P Y, Zhu W P, et al. China Environmental Science, 2003, 23(3), 36(in Chinese). 韩文亚, 张彭义, 祝万鹏, 等. 中国环境科学, 2003, 23(3), 36. 33 Ma J, Ding L, Gu X J, et al. Acta Physica Sinica, 2006, 55(6), 2708(in Chinese). 马靖, 丁蕾, 顾学军, 等. 物理学报, 2006, 55(6), 2708. 34 Joo J C, Ahn C H, Jang D G, et al. Journal of Hazardous Materials, 2013, 263, 569. 35 Xie C L, Xu Z, Hou J X, et al. Printed Circuit Information, 2025, 33(4), 1(in Chinese). 谢长乐, 苏哲, 侯军霞, 等. 印制电路信息, 2025, 33(4), 1. 36 Jiang H Y, Liu H L. Journal of the Chinese Ceramic Society, 2022, 50(7), 2024(in Chinese). 姜海洋, 刘慧玲. 硅酸盐学报, 2022, 50(7), 2024. 37 Zhou Z, Ruan W, Huang H, et al. Chemical Engineering Journal, 2016, 283, 730. 38 Li X J, Jia L, Lu Q Y. Journal of Engineering Thermophysics, 2014, 35(12), 2457(in Chinese). 李雪娇, 贾力, 陆谦逸. 工程热物理学报, 2014, 35(12), 2457. 39 Yoo D Y, Banthia N. Cement and Concrete Composites, 2019, 104, 103389. 40 Wang J, Ding Z J, Wang C Y, et al. Acta Materiae Compositae Sinica, 2025, 42(10), 5907(in Chinese). 王健, 丁梓峻, 王重阳, 等. 复合材料学报, 2025, 42(10), 5907. 41 Wang Y, Quan Z P, Zhang S H. Journal of the Chinese Ceramic Society, 2023, 51(5), 1332(in Chinese). 王艳, 全志平, 张少辉. 硅酸盐学报, 2023, 51(5), 1332. 42 Wang Z H, Bai E L, Huang H, et al. Materials Reports, 2025, 39(5), 136(in Chinese). 王志航, 白二雷, 黄河, 等. 材料导报, 2025, 39(5), 136. 43 Zhang D J, Xu S L, Sun J. Journal of Building Materials, 2006(3), 347(in Chinese). 张滇军, 徐世烺, 孙进. 建筑材料学报, 2006(3), 347. 44 Li W, Guo Y, Zhang X, et al. Cement and Concrete Composites, 2024, 148, 105466.
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2026, Vol. 40 
