Durable and organic-solvent-free anti-icing coating fabricated from polyacrylate grafted with PDMS

IF 4.1 2区化学 Q2 POLYMER SCIENCE Polymer Pub Date : 2024-11-28 DOI:10.1016/j.polymer.2024.127857

Pengfei Li, Jian Yuan, Lidan Lan, Yi Dan, Long Jiang, Yun Huang

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Abstract

Traditional anti-icing coatings suffer from issues of non-durability in anti-icing performance and the generation of volatile organic compounds during the coating process. In this study, durable and organic-solvent-free anti-icing coatings were prepared based on polyacrylate grafted with hydrophobic polydimethylsiloxane (PAC-PDMS_x). The PAC-PDMS_x is prepared by emulsion polymerization of acrylate monomer and acrylate mono-terminated polydimethylsiloxane (M-PDMS), without the involvement of organic solvents. The higher the content of M-PDMS, the better the anti-icing performance of the PAC-PDMS_x coating. Meanwhile, the anti-icing performance of the coating demonstrates good durability during the icing/deicing cycle and environmental aging. The ice adhesion strength of PAC-PDMS_x is reduced to 11 kPa after 100 icing/de-icing cycles and 17 kPa after simulated environmental aging for 504 hours, while the initial value is 25 kPa. This study provides a promising environmentally-friendly passive de-icing coating with durable anti-icing performance for practical applications.

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聚丙烯酸酯与 PDMS 接枝制成的不含有机溶剂的耐用防冰涂层

传统的防冰涂料存在防冰性能不耐用以及在涂覆过程中会产生挥发性有机化合物等问题。本研究采用疏水性聚二甲基硅氧烷接枝聚丙烯酸酯（PAC-PDMSx）制备了耐久且不含有机溶剂的防冰涂料。PAC-PDMSx 是通过丙烯酸酯单体和丙烯酸酯单端聚二甲基硅氧烷（M-PDMS）的乳液聚合制备的，不涉及有机溶剂。M-PDMS 的含量越高，PAC-PDMSx 涂层的防冰性能越好。同时，涂层的抗冰性能在结冰/除冰周期和环境老化过程中表现出良好的耐久性。PAC-PDMSx 的冰附着强度在 100 次结冰/除冰循环后降至 11 kPa，在模拟环境老化 504 小时后降至 17 kPa，而初始值为 25 kPa。这项研究为实际应用提供了一种具有持久防冰性能的环保型被动除冰涂层。

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来源期刊

Polymer 化学-高分子科学

CiteScore

7.90

自引率

8.70%

发文量

959

审稿时长

32 days

期刊介绍： Polymer is an interdisciplinary journal dedicated to publishing innovative and significant advances in Polymer Physics, Chemistry and Technology. We welcome submissions on polymer hybrids, nanocomposites, characterisation and self-assembly. Polymer also publishes work on the technological application of polymers in energy and optoelectronics. The main scope is covered but not limited to the following core areas: Polymer Materials Nanocomposites and hybrid nanomaterials Polymer blends, films, fibres, networks and porous materials Physical Characterization Characterisation, modelling and simulation* of molecular and materials properties in bulk, solution, and thin films Polymer Engineering Advanced multiscale processing methods Polymer Synthesis, Modification and Self-assembly Including designer polymer architectures, mechanisms and kinetics, and supramolecular polymerization Technological Applications Polymers for energy generation and storage Polymer membranes for separation technology Polymers for opto- and microelectronics.