功能化石墨烯改性双马来酰亚胺复合材料的微观表征及性能

doi:10.11949/j.issn.0438-1157.20180497

化工学报 ›› 2018, Vol. 69 ›› Issue (10): 4456-4463.DOI: 10.11949/j.issn.0438-1157.20180497

• 材料化学工程与纳米技术 • 上一篇下一篇

功能化石墨烯改性双马来酰亚胺复合材料的微观表征及性能

陈宇飞^1,2, 武耘仲², 郭红缘², 汪波涛², 耿成宝², 滕成君³

1. 哈尔滨理工大学工程电介质及应用技术教育部重点实验室, 黑龙江哈尔滨 150080;
2. 哈尔滨理工大学材料科学与工程学院, 黑龙江哈尔滨 150040;
3. 哈尔滨市香坊区疾病控制中心, 黑龙江哈尔滨 150030

收稿日期:2018-05-10 修回日期:2018-07-16 出版日期:2018-10-05 发布日期:2018-10-05
通讯作者: 陈宇飞
基金资助:
哈尔滨市科技局创新人才专项（2015RAXXJ029）。

Characteristic and properties of bismaleimide modified by functionalized graphene composites

CHEN Yufei^1,2, WU Yunzhong², GUO Hongyuan², WANG Botao², GENG Chengbao², TENG Chengjun³

1. Harbin University of Science and Technology, Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin 150080, Heilongjiang, China;
2. School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin 150040, Heilongjiang, China;
3. Harbin Xiangfang District Center for Disease Control and Prevention, Harbin 150030, Heilongjiang, China

Received:2018-05-10 Revised:2018-07-16 Online:2018-10-05 Published:2018-10-05
Supported by:
supported by the Harbin Innovation Talent Project (2015RAXXJ029).

摘要/Abstract

摘要：

采用改进Hummers法制备氧化石墨烯（GO），分别采用水合肼、壳聚糖、KOH还原得到了还原氧化石墨烯（rGO）并对三种还原方法做了对比，选择最佳方案；再通过离子液体（NH₂IL）对rGO功能化得到改性还原氧化石墨烯（NH₂IL-rGO）。以二烯丙基双酚A （BBA）和双酚A双烯丙基醚（BBE）为活性稀释剂，4，4'-二氨基二苯甲烷型双马来酰亚胺（MBMI）为反应单体，制备了MBMI-BBA-BBE （MBAE）树脂基体；同时以NH₂IL-rGO为增强体采用原位聚合法制备NH₂IL-rGO/MBAE复合材料。表征了石墨烯和复合材料的微观形貌并分析了石墨烯对复合材料性能的影响。结果表明：NH₂IL-rGO在树脂基体中以两相形式存在，结构完整，并赋予复合材料优异的性能。当NH₂IL-rGO含量为2%（质量）时，复合材料冲击强度和弯曲强度最大，分别为15.33 kJ/m²和142 MPa，热分解温度为435.73℃、当测试频率为100 Hz～10 kHz时介电常数发生突变达到84。

关键词: 复合材料, 双马来酰亚胺, 石墨烯, 氧化, 力学性能, 介电常数

Abstract:

Graphene oxide(GO) was obtained by improved Hummers method. Hydrated hydrazine, chitosan, potassium hydroxide was used to prepare different reduced graphene oxide (rGO), respectively, to choose the best reductant. The rGO was restored and modified by ionic liquid (NH₂IL) to obtain functionalized graphene (NH₂IL-rGO), the matrix (MBAE) was prepared from 4,4'-diaminodiphenyl methane bismaleimide in which diallyl bisphenol A (BBA) and bisphenol A bisallyl ether (BBE) were used as reactive diluents, NH₂IL-rGO/MBAE composites were prepared from NH₂IL-rGO and MBAE via in situ polymerization. The effect of graphene on the properties of composites was studied. The results showed that the micro-morphology of composite existed two-phase structure completely between the matrix and NH₂IL-rGO, Graphene gave the material excellent properties. The impact strength and bending strength of composites reached the maximum, 15.33 kJ/m² and 142 MPa, respectively, when the content of NH₂IL-rGO was 2%(mass). The thermal decomposition temperature of the composites was 435.73℃, the dielectric constant of the composites abruptly reached 84 when testing frequency range was 100 Hz-10 kHz.

Key words: composites, bismaleimide, graphene, oxidation, mechanical properties, dielectric constant

中图分类号:

TB332

陈宇飞, 武耘仲, 郭红缘, 汪波涛, 耿成宝, 滕成君. 功能化石墨烯改性双马来酰亚胺复合材料的微观表征及性能[J]. 化工学报, 2018, 69(10): 4456-4463.

CHEN Yufei, WU Yunzhong, GUO Hongyuan, WANG Botao, GENG Chengbao, TENG Chengjun. Characteristic and properties of bismaleimide modified by functionalized graphene composites[J]. CIESC Journal, 2018, 69(10): 4456-4463.

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功能化石墨烯改性双马来酰亚胺复合材料的微观表征及性能

Characteristic and properties of bismaleimide modified by functionalized graphene composites

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