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    宗立率

    • 副教授     博士生导师   硕士生导师
    • 任职 : 院长助理
    • 性别:男
    • 毕业院校:大连理工大学
    • 学位:博士
    • 所在单位:化工学院
    • 学科:高分子材料. 高分子化学与物理
    • 办公地点:西部校区化工实验楼A段304室
    • 电子邮箱:zongls@dlut.edu.cn

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

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    论文类型:期刊论文

    发表时间:2017-05-01

    发表刊物:CHINESE CHEMICAL LETTERS

    收录刊物:SCIE、CSCD

    卷号:28

    期号:5

    页面范围:1069-1073

    ISSN号:1001-8417

    关键字:Ionic liquid; Phthalonitrile resin; Phthalazinone; Thermal stability; Curing agent

    摘要:Combined with the advantages of low melting point, high thermal stability and strong acidity, a multiple-SO3H 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-po' and apparent activation energy Ea' (based on Kissinger equation) were reduced significantly over MIL (207.9 degrees C and 101.5 kJ/mol) compared to the common curing agent ZnCl2 (268.5 degrees C and 201.5 kJ/mol). Moreover, under identical curing conditions, the resulting thermosetting resin over former (T-d5%= 526.1 degrees C) showed better thermal stability than that over latter (T-d5%= 512.1 degrees C). These results indicated that MIL should be a good candidate as a curing agent for phthalonitrile resins. (C) 2016 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.