In this study, we have developed a rapid, cost-effective, environmentally green, and yet efficient approach for the complete reclamation of the carbon fibre composites through a microwave assisted chemical method. It was found that in a catalyst-free and one-step process using microwave irradiation, a mixture of hydrogen peroxide (H₂O₂) and tartaric acid (TA) can initiate decomposition of the epoxy matrix up to 95% yield, leaving behind CFs with ∼92% tensile strength and ∼94% strain-to-failure retentions compared to the original CFs. Less than 2 min microwave irradiation was used which makes this approach considerably promising for the fast reclamation of the carbon fibre composites. The repetition of reclamation for the second and third times, which have been performed on the composite laminates re-manufactured using the reclaimed CFs, indicated that further reductions in the CFs mechanical performance are typically less than 5% after first reclamation process. Our proposed reclamation process changed surface properties of the reclaimed CFs compared to original CFs, which led to a significant increase in interfacial performance of the recycled CFs-epoxy composites. Moreover, the re-manufactured composite laminates using the reclaimed CFs showed highly comparable flexural strength and modulus, compared to its original composite laminates.

在这项研究中，我们开发了一种快速，经济高效，绿色环保且高效的方法，可通过微波辅助化学方法完全回收碳纤维复合材料。发现在使用微波辐射的无催化剂一步法工艺中，过氧化氢（H ₂ O ₂）和酒石酸（TA）可以引发环氧基质的分解，产率最高可达95％，与原始CF相比，留下的CF的拉伸强度为〜92％，应变失效保留率为〜94％。使用少于2分钟的微波辐照，这使得该方法对于碳纤维复合材料的快速再生具有很大的希望。对于使用回收的CFs再制造的复合层压板，已经进行了第二次和第三次重复的回收，这表明CFs机械性能的进一步降低通常在第一次回收过程之后小于5％。与原始CFs相比，我们提出的回收工艺改变了回收CFs的表面性能，这导致了回收CFs-环氧树脂复合材料的界面性能显着提高。此外，