Yuanzhen Xu

ORCID: 0000-0001-6031-0025
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About
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Research Areas
  • Silicone and Siloxane Chemistry
  • Epoxy Resin Curing Processes
  • Synthesis and properties of polymers

Ningbo Institute of Industrial Technology
2022-2023

Ningbo University
2022

Three fluorinated ladder diamines with norbornyl benzocyclobutene (N2BC) segments were prepared by catalytic norbornene-arene annulation (CANAL) reactions of norbornadiene bromoanilines. NMR results revealed that two regioisomers obtained for each diamine, syn-to-anti ratios ∼2:1. High-temperature solution polycondensation these commercial dianhydrides produced a series colorless polyimides (CPIs). These polymers exhibited extremely high glass-transition temperatures (Tg) 390–479 °C,...

10.1021/acs.macromol.2c00894 article EN Macromolecules 2022-08-22
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