Curing Mechanism and Properties Epoxy Resins With Main-Chain Polyimidazolium Ionic Liquids

IF 2.7 3区化学 Q2 POLYMER SCIENCE

Journal of Applied Polymer Science Pub Date : 2025-01-10 DOI:10.1002/app.56639

Jingshi Liang, Bo Liu, Ye Wang, Delai Jiao, Xiaolin Shi, Zhiming Pan, Chunling Zhang

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Abstract

Ionic liquids have aroused considerable attention in the fields of polymer and materials science due to their designability and distinctive qualities. Epoxy resin (EP) with antimicrobial and stain-resistant properties is important for the service life of the material and for eliminating potential health hazards. In this study, a series of main-chain polyimidazolium ionic liquids (PIMILs) differing in the alkyl chain length of cation sizes (propyl, butyl, hexyl, octyl, decyl, dodecyl, 3,6-dioxaoctyl, and 4,7,10-trioxatridecyl) were synthesized by the Debus–Radziszewski reaction, and used as curing agents for EPs. The results of the curing conditions of their corresponding EPs revealed the regularity in the curing conditions dependent mainly on alkyl chain length. Meanwhile, the influence of the chloride anion and cation size on thermal stability, the glass transition temperature (T _g), and thermomechanical properties of the epoxy composites were discussed, Finally, the water contact angles of thermosets ranged from 78.1° to 104.5°, and the thermosets could effectively kill multiple strains of bacteria and remove the biofilm.

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来源期刊

Journal of Applied Polymer Science 化学-高分子科学

CiteScore

5.70

自引率

10.00%

发文量

1280

审稿时长

2.7 months

期刊介绍： The Journal of Applied Polymer Science is the largest peer-reviewed publication in polymers, #3 by total citations, and features results with real-world impact on membranes, polysaccharides, and much more.