Characteristic and properties of bismaleimide modified by functionalized graphene composites

CHEN Yufei; WU Yunzhong; GUO Hongyuan; WANG Botao; GENG Chengbao; TENG Chengjun

doi:10.11949/j.issn.0438-1157.20180497

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Characteristic and properties of bismaleimide modified by functionalized graphene composites

更新时间：2025-12-10

- Characteristic and properties of bismaleimide modified by functionalized graphene composites
- CIESC Journal Issue 10, Pages: 4456-4463(2018)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20180497
  CLC： B332
- Online First：05 October 2018，
  
  Published：05 October 2018
- 稿件说明：
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CHEN Yufei, WU Yunzhong, GUO Hongyuan, et al. Characteristic and properties of bismaleimide modified by functionalized graphene composites[J]. CIESC Journal, 2018, (10): 4456-4463.
DOI：

CHEN Yufei, WU Yunzhong, GUO Hongyuan, et al. Characteristic and properties of bismaleimide modified by functionalized graphene composites[J]. CIESC Journal, 2018, (10): 4456-4463. DOI： 10.11949/j.issn.0438-1157.20180497.

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。

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.

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