期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 35, 期 4, 页码 460-465出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201300732
关键词
ionic liquids; renewable chemicals; rheology; self-healing; supramolecular polymers
资金
- Spanish Ministerio de Ciencia e Innovacion [MAT2010-16171, MAT2011-27993]
- Basque Government
New supramolecular ionic networks are synthesized by proton transfer reaction between a bio-based fatty diamine molecule (Priamine 1074) and a series of naturally occurring carboxylic acids such as malonic acid, citric acid, tartaric acid, and 2,5-furandicarboxylic acid. The resulting solid soft material exhibits a thermoreversible transition becoming a viscoelastic liquid at high temperatures. All the networks show an elastic behavior at low temperatures/high frequencies, with elastic modulus values ranging from 4.5 x 10(6) to 4.5 x 10(7) Pa and soft network to liquid transitions T-nl between -10 and 60 degrees C. The supramolecular ionic network based on cationic Priamine 1074 and anionic citrate shows promising self-healing properties at room temperature as well as relatively high ionic conductivity values close to 10(-6) S cm(-1).
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