Citation: Wang Jian, Ji Puguang, Yu Xiaoyan, Zhang Qinxing. Preparation and Properties of Diamino-Phthalonitrile/Epoxy Resin System[J]. Chemistry, ;2018, 81(5): 466-471. shu

Preparation and Properties of Diamino-Phthalonitrile/Epoxy Resin System

Wang Jian ¹ ,
Ji Puguang ^2,3 ,
Yu Xiaoyan ^1,, ,
Zhang Qinxing ^1,2,3,,

1.
School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130
2.
Research Institute for Energy Equipment Materials, Hebei University of Technology, Tianjin 300130
3.
Tianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology, Hebei University of Technology, Tianjin 300130

Corresponding author: Yu Xiaoyan, yuxycnn@163.com Zhang Qinxing, zhqxcn@163.com
Received Date: 25 December 2017
Accepted Date: 5 February 2018

Figures(8)

A kind of diamino-phthalonitrile (DPN) monomer was successfully synthesized. The chemical structures of DPN and its intermediate (DHTM, a phenol that contain two amino groups) were confirmed by spectroscopic techniques. Differential scanning calorimetry was utilized to demonstrate the autocatalytic performance of DPN and its curing effect on epoxy resin (EP). Blends of DHTM and DPN with EP were obtained, respectively. The thermal stabilities and dynamic mechanical properties of cured resins were studied by thermo-gravimetric and dynamic mechanical analysis. The results showed that all properties of DPN-EP cured resin are superior to DHTM-EP cured resin. For the former, the temperatures of 5% weight loss are 357 and 369℃ under nitrogen and air, respectively, and the glass temperature is 202℃. The limiting oxygen index is 36.36 calculate by Van Krevelen equation. The DPN-EP cured resin will be a great candidate as a matrix for high-performance polymeric material.
- Self-promoted,
- Phthalonitrile,
- Epoxy,
- Thermal property
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沈阳化工大学材料科学与工程学院沈阳 110142