Development of water/oil repellent and heat-resistant aromatic poly(ether ketone)s bearing 3,5-(C4F9)2C6H3 groups at both ends

IF 2.3 4区化学 Q3 POLYMER SCIENCE

Polymer Journal Pub Date : 2025-03-28 DOI:10.1038/s41428-025-01029-5

Haruki Konta, Katsuya Maeyama

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Abstract

Three types of polyketones with different numbers of 3,5-(C4F9)2C6H3 groups at both ends were successfully synthesized. The resulting polyketones are soluble in typical organic solvents such as THF, CHCl3, and NMP. These materials exhibit good thermal stability above 519 °C (Td10) and high glass transition temperatures (Tg) above 221 °C. Furthermore, these polyketones have excellent water/oil repellency. Notably, the polyketone with ten C4F9 groups at each polymer end has a lower surface tension than PTFE (Polytetrafluoroethylene). XPS (X-ray Photoelectron Spectroscopy) measurements revealed that the increase in the water/oil repellency of the polyketones was due to the localization of terminal C4F9 groups on the film surface. Three types of polyketones with different numbers of 3,5-(C4F9)2C6H3 groups at both ends were successfully synthesized. The resulting polyketones are soluble in typical organic solvents such as THF, CHCl3, and NMP. They exhibit good thermal stability above 519 °C (Td10) and high glass transition temperature (Tg) above 221 oC. Furthermore, these polyketones also have excellent water/oil repellency.

Abstract Image

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一端含3,5-(C4F9)2C6H3基团的拒水、拒油、耐热芳香聚醚酮的研制

成功地合成了三种两端具有不同数目的3,5-(C4F9)2C6H3基团的聚酮。所得的聚酮可溶于典型的有机溶剂，如THF、CHCl3和NMP。这些材料在519℃以上表现出良好的热稳定性（Td10）和221℃以上的高玻璃化转变温度（Tg）。此外，这些聚酮具有优异的拒水性/拒油性。值得注意的是，在每个聚合物端有10个C4F9基团的聚酮具有比聚四氟乙烯更低的表面张力。XPS （x射线光电子能谱）测量结果表明，聚酮的拒水/拒油性能的提高是由于膜表面末端C4F9基团的定位。成功地合成了三种两端具有不同数目的3,5-(C4F9)2C6H3基团的聚酮。所得的聚酮可溶于典型的有机溶剂，如THF、CHCl3和NMP。它们在519℃以上具有良好的热稳定性（Td10），在221℃以上具有较高的玻璃化转变温度（Tg）。此外，这些聚酮还具有优异的拒水性/拒油性。

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来源期刊

Polymer Journal 化学-高分子科学

CiteScore

5.60

自引率

7.10%

发文量

131

审稿时长

2.5 months

期刊介绍： Polymer Journal promotes research from all aspects of polymer science from anywhere in the world and aims to provide an integrated platform for scientific communication that assists the advancement of polymer science and related fields. The journal publishes Original Articles, Notes, Short Communications and Reviews. Subject areas and topics of particular interest within the journal''s scope include, but are not limited to, those listed below: Polymer synthesis and reactions Polymer structures Physical properties of polymers Polymer surface and interfaces Functional polymers Supramolecular polymers Self-assembled materials Biopolymers and bio-related polymer materials Polymer engineering.