{"title":"昔兰尼作为生物基溶剂用于碳纤维增强聚合物层压板的绿色分层回收","authors":"Mingfei Xing, Wanting Xu, Lili Dong, Shuofei Fu, Fayang Guo, Li Zhao","doi":"10.1016/j.mtsust.2025.101225","DOIUrl":null,"url":null,"abstract":"<div><div>The brittle and rigid nature of the resin matrix makes it difficult to cut carbon fiber-reinforced polymer (CFRP) laminates into thin slices and reprocess them into strongly oriented strand boards. To address this limitation, Cyrene, which is a biodegradable, non-toxicity biobased solvent, was employed to recycle CFRP laminates by inducing resin swelling. At 160–220 °C under atmospheric pressure, Cyrene fully swelled and softened the epoxy matrix within 30–240 min. The resin swelling rate ranged from 53.40 % to 303.39 %, with corresponding mass loss rates of 0–12.59 %. The resulting volume expansion led to delamination of the laminate into pliable monolayer carbon fiber (CF) sheets. These sheets were subsequently cut, dried, cross-stacked, and hot-pressed into new CFRP plates. The re-prepared laminates exhibited flexural, tensile, and interlaminar shear strengths ranging from 72.3 % to 77.5 %, 74.6 %–87.0 %, and 84.6 %–88.3 % of the original CFRP laminates. This mild process retained the CF length and mechanical performance while transferring waste resin into the new product. Cyrene, being thermally stable, was recovered by decompression distillation. This study offers a green and full-component recycling strategy for CFRP waste, supporting sustainable development through resource conservation and reuse.</div></div>","PeriodicalId":18322,"journal":{"name":"Materials Today Sustainability","volume":"32 ","pages":"Article 101225"},"PeriodicalIF":7.9000,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Cyrene as a biobased solvent for the green delamination recycling of carbon fiber-reinforced polymer laminates\",\"authors\":\"Mingfei Xing, Wanting Xu, Lili Dong, Shuofei Fu, Fayang Guo, Li Zhao\",\"doi\":\"10.1016/j.mtsust.2025.101225\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>The brittle and rigid nature of the resin matrix makes it difficult to cut carbon fiber-reinforced polymer (CFRP) laminates into thin slices and reprocess them into strongly oriented strand boards. To address this limitation, Cyrene, which is a biodegradable, non-toxicity biobased solvent, was employed to recycle CFRP laminates by inducing resin swelling. At 160–220 °C under atmospheric pressure, Cyrene fully swelled and softened the epoxy matrix within 30–240 min. The resin swelling rate ranged from 53.40 % to 303.39 %, with corresponding mass loss rates of 0–12.59 %. The resulting volume expansion led to delamination of the laminate into pliable monolayer carbon fiber (CF) sheets. These sheets were subsequently cut, dried, cross-stacked, and hot-pressed into new CFRP plates. The re-prepared laminates exhibited flexural, tensile, and interlaminar shear strengths ranging from 72.3 % to 77.5 %, 74.6 %–87.0 %, and 84.6 %–88.3 % of the original CFRP laminates. This mild process retained the CF length and mechanical performance while transferring waste resin into the new product. Cyrene, being thermally stable, was recovered by decompression distillation. This study offers a green and full-component recycling strategy for CFRP waste, supporting sustainable development through resource conservation and reuse.</div></div>\",\"PeriodicalId\":18322,\"journal\":{\"name\":\"Materials Today Sustainability\",\"volume\":\"32 \",\"pages\":\"Article 101225\"},\"PeriodicalIF\":7.9000,\"publicationDate\":\"2025-09-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Materials Today Sustainability\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S258923472500154X\",\"RegionNum\":3,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Today Sustainability","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S258923472500154X","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY","Score":null,"Total":0}
Cyrene as a biobased solvent for the green delamination recycling of carbon fiber-reinforced polymer laminates
The brittle and rigid nature of the resin matrix makes it difficult to cut carbon fiber-reinforced polymer (CFRP) laminates into thin slices and reprocess them into strongly oriented strand boards. To address this limitation, Cyrene, which is a biodegradable, non-toxicity biobased solvent, was employed to recycle CFRP laminates by inducing resin swelling. At 160–220 °C under atmospheric pressure, Cyrene fully swelled and softened the epoxy matrix within 30–240 min. The resin swelling rate ranged from 53.40 % to 303.39 %, with corresponding mass loss rates of 0–12.59 %. The resulting volume expansion led to delamination of the laminate into pliable monolayer carbon fiber (CF) sheets. These sheets were subsequently cut, dried, cross-stacked, and hot-pressed into new CFRP plates. The re-prepared laminates exhibited flexural, tensile, and interlaminar shear strengths ranging from 72.3 % to 77.5 %, 74.6 %–87.0 %, and 84.6 %–88.3 % of the original CFRP laminates. This mild process retained the CF length and mechanical performance while transferring waste resin into the new product. Cyrene, being thermally stable, was recovered by decompression distillation. This study offers a green and full-component recycling strategy for CFRP waste, supporting sustainable development through resource conservation and reuse.
期刊介绍:
Materials Today Sustainability is a multi-disciplinary journal covering all aspects of sustainability through materials science.
With a rapidly increasing population with growing demands, materials science has emerged as a critical discipline toward protecting of the environment and ensuring the long term survival of future generations.