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用于制备通用涂层的辐射聚合：卓越的防雾和抗冻性能。

Radiation polymerization for the preparation of universal coatings: remarkable anti-fogging and frost-resisting performance.

作者信息

Wang Wenrui, Liu Qi, Sun Ying, Li Danyi, Xu Siyi, Lin Lin, Wang Fangzheng, Li Linfan, Li Jihao

机构信息

Shanghai Institute of Applied Physics, Chinese Academy of Sciences Shanghai 201800 China

University of Chinese Academy of Sciences Beijing 100049 China.

出版信息

RSC Adv. 2024 Mar 26;14(14):10131-10145. doi: 10.1039/d3ra08542b. eCollection 2024 Mar 20.

DOI:10.1039/d3ra08542b
PMID:38533095
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10964754/
Abstract

Hydrophilic anti-fogging coatings have attracted considerable attention due to their ease of preparation and excellent fog resistance. In this study, a hydrophilic anti-fogging coating based on the random copolymer p(AA--SAS) was prepared using acrylic acid (AA) and sodium allylsulfonate (SAS) as monomers through radiation polymerization. The introduction of SAS successfully transformed the random copolymer from a gel state into a film-forming polymer solution. The presence of AA structural units in p(AA--SAS) improved the film-forming properties of the polymer solution. Additionally, there was a positive correlation between the proportion of SAS structural units in the random copolymer and the scratch hardness and wetting properties of the coating. After coating polycarbonate (PC) sheets, the surface hydrophilicity was significantly enhanced, with the contact angle of PC-AA/SAS decreasing from 100.1° to 18.8° within 50 seconds. The outstanding wetting properties endowed the coating with exceptional anti-fogging and frost-resisting performance. It exhibited optimal transparency under both testing conditions and demonstrated good stability during cyclic testing. Tape adhesion tests indicated that the adhesion between the coating and PC reached a 5B level. When AA/SAS was applied to PET film, glass, and PMMA goggles, all samples showed excellent anti-fog performance. Even after being naturally placed for one year under ambient conditions, the PMMA goggles still maintained good performance in the anti-fog and frost resistance tests. The remarkable comprehensive properties of the polymer coating based on p(AA--SAS) suggest enormous potential applications in industries such as packaging, healthcare, and optical equipment.

摘要

亲水性防雾涂层因其易于制备和优异的抗雾性能而备受关注。在本研究中，以丙烯酸（AA）和烯丙基磺酸钠（SAS）为单体，通过辐射聚合制备了基于无规共聚物p(AA-SAS)的亲水性防雾涂层。SAS的引入成功地将无规共聚物从凝胶态转变为成膜聚合物溶液。p(AA-SAS)中AA结构单元的存在改善了聚合物溶液的成膜性能。此外，无规共聚物中SAS结构单元的比例与涂层的划痕硬度和润湿性能呈正相关。在聚碳酸酯（PC）片材上涂覆后，表面亲水性显著增强，PC-AA/SAS的接触角在50秒内从100.1°降至18.8°。优异的润湿性能赋予涂层出色的防雾和抗霜性能。在两种测试条件下，涂层均表现出最佳透明度，并且在循环测试中具有良好的稳定性。胶带附着力测试表明，涂层与PC之间的附着力达到5B级。当将AA/SAS应用于PET薄膜、玻璃和PMMA护目镜时，所有样品均表现出优异的防雾性能。即使在环境条件下自然放置一年后，PMMA护目镜在防雾和抗霜测试中仍保持良好性能。基于p(AA-SAS)的聚合物涂层卓越的综合性能表明其在包装、医疗保健和光学设备等行业具有巨大的潜在应用价值。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/04e8c5f7b614/d3ra08542b-f13.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/20d50c1cda33/d3ra08542b-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/3ecbd6ba0595/d3ra08542b-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/fb6790121c55/d3ra08542b-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/e5e5f24fc717/d3ra08542b-f9.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/f710ce525875/d3ra08542b-f11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/6a4ea906d596/d3ra08542b-f12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/04e8c5f7b614/d3ra08542b-f13.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/b6b25157c83a/d3ra08542b-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/76cdd59f2ae3/d3ra08542b-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/a939688117a3/d3ra08542b-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/22975ee3c139/d3ra08542b-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/4bd8d6c42e9e/d3ra08542b-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/20d50c1cda33/d3ra08542b-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/3ecbd6ba0595/d3ra08542b-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/fb6790121c55/d3ra08542b-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/e5e5f24fc717/d3ra08542b-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/45500cdd39c3/d3ra08542b-f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/f710ce525875/d3ra08542b-f11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/6a4ea906d596/d3ra08542b-f12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/898e/10964754/04e8c5f7b614/d3ra08542b-f13.jpg

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