Citation: Weng Zhi-Huan, Qi Yu, Zong Li-Shuai, Liu Cheng, Wang Jin-Yan, Jian Xi-Gao. Multiple-SO₃H functioned ionic liquid as efficient curing agent for phthalonitrile-terminated poly(phthalazinone ether nitrile)[J]. Chinese Chemical Letters, ;2017, 28(5): 1069-1073. doi: 10.1016/j.cclet.2016.12.019 shu

Multiple-SO₃H functioned ionic liquid as efficient curing agent for phthalonitrile-terminated poly(phthalazinone ether nitrile)

Weng Zhi-Huan ^a,b,c ,
Qi Yu ^b,c ,
Zong Li-Shuai ^b,c ,
Liu Cheng ^a,b,c ,
Wang Jin-Yan ^a,b,c,, ,
Jian Xi-Gao ^a,b,c

a.
State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
b.
Liaoning High Performance Resin Engineering Research Center, Dalian University of Technology, Dalian 116024, China
c.
Department of Polymer Science & Materials, Dalian University of Technology, Dalian 116024, China

Corresponding author: Wang Jin-Yan, wangjinyan@dlut.edu.cn
Received Date: 10 October 2016
Revised Date: 24 November 2016
Accepted Date: 29 November 2016
Available Online: 16 May 2016

Figures(7)

Combined with the advantages of low melting point, high thermal stability and strong acidity, a multipleSO₃H functioned ionic liquid (MIL) was developed successfully as a curing agent to promote the curing reaction of phthalonitrile-terminated poly(phthalazinone ether nitrile) (PPEN-Ph). The curing kinetics over differential scanning calorimetry (DSC) showed that both the initial curing temperature T_p0' and apparent activation energy Ea' (based on Kissinger equation) were reduced significantly over MIL (207.9℃ and 101.5 kJ/mol) compared to the common curing agent ZnCl₂ (268.5℃ and 201.5 kJ/mol). Moreover, under identical curing conditions, the resulting thermosetting resin over former (T_d5%=526.1℃) showed better thermal stability than that over latter (T_d5%=512.1℃). These results indicated that MIL should be a good candidate as a curing agent for phthalonitrile resins.
- Ionic liquid,
- Phthalonitrile resin,
- Phthalazinone,
- Thermal stability,
- Curing agent
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沈阳化工大学材料科学与工程学院沈阳 110142

Multiple-SO3H functioned ionic liquid as efficient curing agent for phthalonitrile-terminated poly(phthalazinone ether nitrile)

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通讯作者: 陈斌, bchen63@163.com

Multiple-SO₃H functioned ionic liquid as efficient curing agent for phthalonitrile-terminated poly(phthalazinone ether nitrile)