In this study, the effective large-scale deicing based on the interfacial toughness-tuning strategy of an ultraviolet-curable PDMS coating was developed. Methacrylate groups were grafted on the hydroxyl-terminated PDMS molecular chains to endow PDMS the response to UV irradiation. Then the precursor was doped with different proportions of silicon dioxide nanoparticle (SiO₂ NP) to tune the interfacial toughness between the coating and the ice layer. The PDMS coating was fabricated through manual spraying and the polymerization under UV irradiation. The effects of the amounts of the methacrylate groups and SiO₂ NP on the deicing properties of UV-curable PDMS coatings were investigated systematically. In addition, it was found that the large-scale deicing performance of the PDMS coating with 10% SiO₂ NP improved when lowering the ambient temperature, which was mainly related to the increase of the shear modulus and thermal residual stress on the interface and might indicate attractive advantage on the extremely cold environment. Meanwhile, the durability and the adaptability to different substrates of the PDMS coating were also examined for the verification of the possible practical application. In summary, the effective large-scale deicing based on the interfacial toughness tuning of a UV-curable PDMS coating was achieved and the coating showed great potential for practice.

在这项研究中，开发了基于紫外线固化 PDMS 涂层界面韧性调整策略的有效大规模除冰。甲基丙烯酸酯基团被接枝到羟基封端的 PDMS分子链上，以赋予 PDMS 对紫外线照射的响应。然后在前驱体中掺杂不同比例的二氧化硅纳米颗粒 (SiO₂NP)，以调节涂层和冰层之间的界面韧性。PDMS 涂层是通过手动喷涂和紫外线照射下的聚合制备的。_{甲基丙烯酸酯基团和 SiO 2}量的影响系统地研究了 NP 对 UV 固化 PDMS 涂层的除冰性能的影响。此外，发现当环境温度降低时，10% SiO ₂ NP 的 PDMS 涂层的大面积除冰性能得到改善，这主要与界面剪切模量和热残余应力的增加有关，并且可能表明在极寒环境中有吸引力的优势。同时，还考察了PDMS涂层的耐久性和对不同基材的适应性，以验证可能的实际应用。综上所述，实现了基于 UV 固化 PDMS 涂层界面韧性调整的有效大规模除冰，该涂层显示出巨大的实践潜力。