期刊
HIGH PERFORMANCE POLYMERS
卷 30, 期 9, 页码 1114-1122出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0954008317739963
关键词
Phthalonitrile; self-promoted; thermal property; coefficient of thermal
资金
- National Natural Science Foundation of China [51573037]
- Natural Science Foundation of Hebei Province, China [E2014202033, B2017202281]
- Program for Changjiang Scholars and Innovative Research Team in University [PCSIRT: IRT_17R33]
A novel naphthyl-based self-promoted phthalonitrile monomer, 4-(8-amino-2-naphthyloxy)phthalonitrile (8-ANP), was successfully synthesized via nucleophilic substitution reaction through a one-pot reaction, and it exhibited desirable processing feature with a wide process window (temperature between the melting point and the cure temperature) and low complex viscosity. The activation energy (E-a) value of the self-promoted curing reaction was ascertained using integral isoconversional Starink method. Even without post cure at high temperature for a long time, the properties of 8-ANP polymers were still outstanding, which exhibited high glass transition temperatures, high storage modulus, low average coefficient of thermal expansion, and excellent thermal and thermo-oxidative stabilities.
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