Low-Temperature Terpolymerizable Benzoxazine Monomer Bearing Norbornene and Furan Groups: Synthesis, Characterization, Polymerization, and Properties of Its Polymer

There is an urgency to produce novel high-performance resins to support the rapid development of the aerospace field and the electronic industry. In the present work, we designed and consequently synthesized a benzoxazine monomer ( ) bearing both norbornene and furan groups through the flexible benz...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2023-05, Vol.28 (9), p.3944
Main Authors: Lu, Yin, Peng, Yaliang, Yang, Yi, Liu, Jiahao, Zhang, Kan
Format: Article
Language:English
Subjects:
Aerospace industry
Aircraft
Aviation
benzoxazine
Benzoxazines
Calorimetry
Curing
Differential scanning calorimetry
Electronics industry
Energy consumption
furan
Furans
Low temperature
Manufacturing
Materials science
Military technology
Molecular structure
NMR
norbornene
Nuclear magnetic resonance
Phenols
Polymerization
Polymers
Resins
Structural design
Structural engineering
Sustainable materials
Temperature
Terpolymerization
Thermal stability
thermosets
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Summary:There is an urgency to produce novel high-performance resins to support the rapid development of the aerospace field and the electronic industry. In the present work, we designed and consequently synthesized a benzoxazine monomer ( ) bearing both norbornene and furan groups through the flexible benzoxazine structural design capability. The molecular structure of was verified by the combination characterization of nuclear magnetic resonance spectrum, FT-IR technology, and high-resolution mass spectrum. The thermally activated terpolymerization was monitored by in situ FT-IR as well as differential scanning calorimetry (DSC). Moreover, the low-temperature-curing characteristics of have also been revealed and discussed in the current study. Furthermore, the curing kinetics of the were investigated by the Kissinger and Ozawa methods. The resulting highly cross-linked thermoset based on showed excellent thermal stability as well as flame retardancy (T of 425 °C, THR of 4.9 KJg ). The strategy for molecular design utilized in the current work gives a guide to the development of high-performance resins which can potentially be applied in the aerospace and electronics industries.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules28093944