王蒙,武德涛,吴福梅,董阳

• 1:国能铁路装备有限责任公司
• 2:北京低碳清洁能源研究院

摘要(Abstract)：

酸酐固化型环氧树脂可通过复合材料成型工艺制成风电叶片大梁等结构件，其交联后具有不易降解、不易回收的特点，是风电叶片回收处理的难点之一。甲基四氢邻苯二甲酸苯酐是酸酐固化剂的一种，通过研究不同液体有机胺、不同的催化剂和不同的工艺条件对该酸酐固化的环氧树脂块降解的影响，确定了最佳降解液和降解催化剂组合、降解工艺条件，实现了酸酐固化环氧体系的快速降解。同时还对降解后的产物进行了萃取分离和红外、核磁等检测，确定了回收产物的主要成分，并分析了液体有机胺对酸酐固化型环氧树脂的降解机理，为酸酐固化型环氧树脂的化学回收和再利用提供了新的思路和有益的探索。

关键词(KeyWords)： 风电叶片;有机胺;酸酐;环氧树脂;降解

Abstract:

Keywords:

基金项目(Foundation): 国家能源集团科技创新项目（GJNY-20-141）~~

作者(Author): 王蒙,武德涛,吴福梅,董阳

DOI: 10.19666/j.rlfd.202505087

参考文献(References)：

• [1]马文静,张宇彤,杨春振,等.大宗风电退役风机叶片资源化回收利用技术研究进展[J].洁净煤技术, 2023,29(10):17-26.MA Wenjing, ZHANG Yutong, YANG Chunzhen, et al.Research progress on resource recycling technology of retired wind turbine blades in bulk wind power plants[J].Clean Coal Technology, 2023, 29(10):17-26.
• [2]武德涛,柴树飞,张国鹏.废弃风电叶片材料的机械法回收及资源化利用技术研究[J].能源科技, 2024,22(1):66-70.WU Detao, CHAI Shufei, ZHANG Guopeng. Research on mechanical recovery and recycling technology for materials of obsolete wind power blades[J]. Energy Science and Technology, 2024, 22(1):66-70.
• [3]RIBEIRO M C S, MEIRA-CASTRO A C, SILVA F G,et al. Re-use assessment of thermoset composite wastes as aggregate and filler replacement for concrete-polymer composite materials:a case study regarding GFRP pultrusion wastes[J]. Resources Conservation and Recycling, 2015, 104:417-426.
• [4]GARC??A D, VEGAS I, CACHO I. Mechanical recycling of GFRP waste as short-fiber reinforcements in microconcrete[J]. Construction and Building Materials,2014, 64:293-300.
• [5]RODIN H, NASSIRI S, ENGLUND K, et al. Recycled glass fiber reinforced polymer composites incorporated in mortar for improved mechanical performance[J].Construction and Building Materials, 2018, 187:738-751.
• [6]程明,张铎,马骏,等.三种气氛下退役风电叶片热失重特性研究[J].化工环保, 2025, 45(3):377-384.CHENG Ming, ZHANG Duo, MA Jun, et al. Thermogravimetric characteristic of retired wind turbine blades under three atmospheres[J]. Environmental Protection of Chemical Industry, 2025, 45(3):377-384.
• [7]TOSHIHIRA I, REIKA A, MIHO H, et al. Elucidation of damage factors to recycled carbon fibers recovered from CFRPs by pyrolysis for finding optimal recovery conditions[J]. Composites Part B:Engineering, 2021, 218:108939.
• [8]TAO Y, HADIGHEH S A, WEI Y. Recycling of glass fiber reinforced polymer(GFRP)composite wastes in concrete:a critical review and cost benefit analysis[J]. Structures,2023, 53:1540-1556.
• [9]EDWAD L, SAM K, KOK H W, et al. Microwave heating as a means for carbon fiber recovery from polymer composites:a technical feasibility study[J]. Materials Research Bulletin, 2004, 39:1549-1556.
• [10]刘贺晨,魏利伟,孙章林,等.催化剂对基于动态酯交换Vitrimers材料性能的影响[J].电工技术学报,2024, 39(16):5134-5148.LIU Hechen, WEI Liwei, SUN Zhanglin, et al. Effect of catalysts on the performance of vitrimers based on dynamic ester exchange[J]. Transactions of China Electrotechnical Society, 2024, 39(16):5134-5148.
• [11]KUANG X, ZHOU Y Y, SHI Q, et al. Recycling of epoxy thermoset and composites via good solvent assisted and small malecules participated exchange reactions[J]. ACS Sustainable Chemistry and Engineering, 2018, 6:9189-9197.
• [12]YANG P, ZHOU Q, YUAN X X, et al. High efficient solvent of epoxy resin using poly(ethylene glycol)/NaOH systems[J]. Polymer Degradation and Stability, 2012, 97:1101-1106.
• [13]赵鑫,李文栋,郭旺,等.环氧树脂醇解回收再制备固化动力学研究[J].西安交通大学学报, 2024, 58(7):94-104.ZHAO Xin, LI Wendong, GUO Wang, et al. Research on alcoholysis recovery, re-preparation, and curing kinetics of epoxy resin[J]. Journal of Xi’an Jiaotong University,2024, 58(7):94-104.
• [14]安乐,赵文哲,金宸宇.工业用环氧树脂及其复合材料的闭环回收再制造[J].复合材料学报, 2023, 40(5):2575-2586.AN Le, ZHAO Wenzhe, JIN Chenyu. Closed-loop recycling and re-manufacturing of engineering epoxy and its composites[J]. Acta Materiae Compositae Sinica,2023, 40(5):2575-2586.
• [15]LIU T, GUO X, LIU W, et al. Selective cleavage of ester linkages of anhydride-cured epoxy using a benign method and reuse of the decomposed polymer in new epoxy preparation[J]. Green Chemistry, 2017, 19(18):4364-4372.
• [16]ZHAO X, WANG X L, TIAN F, et al. A fast and mill closed loop recycling of anhydride cured epoxy through microwave assisted catalytic degradation by trifunctional amine and subsequence reuse without separation[J].Green Chemistry, 2019, 21:2487-2493.
• [17]LIU B T, CAO Q, LI J H, et al. Facile recycling of anhydride-cured epoxy thermoset under mild conditions with multifunctional hydrazine hydrate[J]. Chinese Chemical Letters, 2023, 34(12):9189-9197.
• [18]陈平,刘胜平,王德中.环氧树脂及其应用[M].北京:化学工业出版社, 2014:46.CHEN Ping, LIU Shengping, WANG Dezhong. Epoxy resin and its application[M]. Beijing:Chemical Industry Press, 2014:46.
• [19]KEITH M J, LEEKE G A, INGRAM A. Recycling a carbon fibre reinforced polymerwith a supercritical acetone/water solvent mixture:comprehensive analysis of reaction kinetics[J]. Polymer Degradation and Stability,2019, 161:225-234..