Mechanochemically-Assisted Synthesis of Polyimides.
Journal
ChemSusChem
ISSN: 1864-564X
Titre abrégé: ChemSusChem
Pays: Germany
ID NLM: 101319536
Informations de publication
Date de publication:
10 Jan 2022
10 Jan 2022
Historique:
revised:
12
10
2021
received:
15
09
2021
pubmed:
4
11
2021
medline:
15
1
2022
entrez:
3
11
2021
Statut:
ppublish
Résumé
Polyimides were obtained in 99 % yield in under 1 h through the "beat and heat" approach, involving solvent-free vibrational ball milling and a thermal treatment step. The influence of a plethora of additives was explored, such as Lewis acids, Lewis bases, and dehydrating agents, and the mechanochemical reaction was identified to run via a polyamic acid intermediate. The protocol was adopted to a range of substrates inaccessible through solution-based processes, including perylene tetracarboxylic acid dianhydride and melamine. Furthermore, quantum chemical calculations were conducted to identify the water removal as the crucial step in the reaction mechanism. The presented method is substantially faster and more versatile than the solution-based process.
Identifiants
pubmed: 34731534
doi: 10.1002/cssc.202101975
pmc: PMC9299604
doi:
Substances chimiques
Solvents
0
Perylene
5QD5427UN7
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e202101975Subventions
Organisme : Federal Ministry of Education and Research (BMBF)
Organisme : Mechanocarb project
ID : 03SF0498
Organisme : Deutsche Forschungsgemeinschaft
ID : 469290370
Informations de copyright
© 2021 The Authors. ChemSusChem published by Wiley-VCH GmbH.
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