Synthesis of the ionic liquid 1,2‐dimethyl‐3‐butylimidazole bromide salt and its application in phenolic‐formaldehyde‐resin‐based conductive materials

Herein, the ionic liquid 1,2‐dimethyl‐3‐butylimidazole bromide salt ([DMBIm]Br) was synthesized and its chemical structure was characterized via Fourier transform infrared and 1H nuclear magnetic resonance spectroscopies. Moreover, to improve the electrical property of the phenolic formaldehyde (PF)...

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Bibliographic Details
Published in:Journal of applied polymer science 2022-06, Vol.139 (24), p.n/a
Main Authors: Yao, Shan‐Shan, Wang, Hong, Jin, Fan‐Long, Park, Soo‐Jin
Format: Article
Language:English
Subjects:
Blending effects
Chemical synthesis
Electrical properties
Formaldehyde
Fourier transforms
Impact strength
ionic liquid
Ionic liquids
Ions
Magnetic properties
Materials science
Mechanical properties
Melt blending
NMR
Nuclear magnetic resonance
phenolic formaldehyde resin
Polymers
Resins
Thermal stability
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Summary:Herein, the ionic liquid 1,2‐dimethyl‐3‐butylimidazole bromide salt ([DMBIm]Br) was synthesized and its chemical structure was characterized via Fourier transform infrared and 1H nuclear magnetic resonance spectroscopies. Moreover, to improve the electrical property of the phenolic formaldehyde (PF) resin, PF/[DMBIm]Br systems were prepared via a melt blending and compression–curing process. Furthermore, the effect of [DMBIm]Br content on the thermal stabilities, mechanical properties, electrical properties, and morphologies of the systems was investigated. The thermal stability of the systems increased with [DMBIm]Br addition. The impact strength of the systems improved with increasing [DMBIm]Br content. Additionally, the volume resistance of the systems significantly decreased from 1.02 × 109 to 1.64 × 107 Ω with increasing [DMBIm]Br content from 0 to 1 wt%.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.52334