Easily Processable Thermosets with Outstanding Performance via Smart Twisted Small-Molecule Benzoxazines.
maleimide
polybenzoxazines
smart molecular engineering strategy
thermosets
Journal
Macromolecular rapid communications
ISSN: 1521-3927
Titre abrégé: Macromol Rapid Commun
Pays: Germany
ID NLM: 9888239
Informations de publication
Date de publication:
Mar 2020
Mar 2020
Historique:
received:
25
11
2019
revised:
18
12
2019
pubmed:
21
1
2020
medline:
26
6
2020
entrez:
21
1
2020
Statut:
ppublish
Résumé
High-performance aromatic polymers have excellent thermal, mechanical, and electrical properties and are lightweight, but it is highly challenging to deliver outstanding performances while still maintaining good processability of the precursors. Here, a new family of small-molecule benzoxazine resins with ortho-maleimide functionality is reported, which strikes an exceptional balance between the processability and performance. The excellent processability is attributed to the twisted molecular configurations of ortho-maleimide-substituted benzoxazines, which prevent intermolecular packing in the resin systems. The new benzoxazines can polymerize through multiple routes, which eliminate the twisted structures and create highly cross-linked polymer networks. The resulting new polymers are found to possess fascinating properties such as a high thermal stability (no T
Identifiants
pubmed: 31958211
doi: 10.1002/marc.201900625
doi:
Substances chimiques
Benzoxazines
0
Maleimides
0
Polymers
0
maleimide
2519R1UGP8
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e1900625Subventions
Organisme : National Natural Science Foundation of China
ID : 51603093
Organisme : Science and Technology Agency of Jiangsu Province
ID : BK 20160515
Organisme : China Postdoctoral Foundation
ID : 2018T110451
Organisme : Leverhulme Trust
ID : RPG-2016-272
Informations de copyright
© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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