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Preparation and performances of bisphthalonitrile resin and novolac cyanate ester resin blends

  • Hongfeng Li
  • Dezhi Wang
  • Chunyan QuEmail author
  • Zhongliang Liu
  • Hao Feng
  • Kai Su
Original Paper
  • 22 Downloads

Abstract

Bisphthalonitrile (BPh) resin was modified by diallyl bisphenol A/bismaleimide resin prepolymer (DP/BMI). Differential scanning calorimeter (DSC) and Fourier transform infrared spectroscopy were used to characterize the curing acceleration of modified bisphthalonitrile (MBPh) resin. The results show that DP/BMI resin has a good acceleration effect on the curing of BPh resin, and the peak temperature of MBPh resin was 250.6 °C. MBPh resin was blended with novolac cyanate ester (NCE) resin, and DSC, rheometer, and thermogravimetric analyzer were used to investigate the curing reaction thermodynamics, rheological properties, and heat resistance of MBPh/NCE resin system. The results show that the addition of MBPh resin had little impact on the lowest viscosity (1–6 Pa s) of NCE resin. The DSC peak temperature of MBPh/NCE resin decreased to 235.7 °C after adding 30 wt% of MBPh resin. The addition of MBPh obviously increased the temperature at 90% carbon yield of NCE resin, with the 90% carbon yield temperature rising by nearly 100 °C. The mechanical properties of MBPh/NCE resin system were evaluated by tensile properties, bend properties, impact strength, and fracture toughness. The results show that MBPh had little impact on the tensile properties and bend properties of MBPh/NCE resin, and slightly increased their impact strength and fracture toughness.

Keywords

Bisphthalonitrile Novolac cyanate ester Blending modification Heat resistance 

Notes

Acknowledgements

This work was financially supported by China Postdoctoral Science Foundation (Grant NO. 2018M640314), Postdoctoral Science Foundation of Heilongjiang Province of China (Grant NO. LBH-Z18260) and Natural Science Foundation of Heilongjiang Province of China (Grant NO. JJ2019LH2357).

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Hongfeng Li
    • 1
  • Dezhi Wang
    • 1
  • Chunyan Qu
    • 1
    Email author
  • Zhongliang Liu
    • 2
  • Hao Feng
    • 1
  • Kai Su
    • 1
  1. 1.Institute of Petrochemistry, Heilongjiang Academy of SciencesHarbinChina
  2. 2.College of Material Science and EngineeringNortheast Forestry UniversityHarbinChina

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