Micro-morphology and properties of modified MMT/PES-MBAE composite

CHEN Yufei; GENG Chengbao; CHU Hongyue; WANG Botao; GUO Hongyuan; YUE Chunyan

doi:10.11949/j.issn.0438-1157.20180197

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Micro-morphology and properties of modified MMT/PES-MBAE composite

更新时间：2025-12-10

- Micro-morphology and properties of modified MMT/PES-MBAE composite
- CIESC Journal Issue S1, Pages: 148-154(2018)
- 作者机构：
  
  1. 哈尔滨理工大学材料科学与工程学院,黑龙江,哈尔滨,150040
  2. 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
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20180197
  CLC： Q326.9
- Online First：30 September 2018，
  
  Published：30 September 2018
- 稿件说明：
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CHEN Yufei, GENG Chengbao, CHU Hongyue, et al. Micro-morphology and properties of modified MMT/PES-MBAE composite[J]. CIESC Journal, 2018, (S1): 148-154.
DOI：

CHEN Yufei, GENG Chengbao, CHU Hongyue, et al. Micro-morphology and properties of modified MMT/PES-MBAE composite[J]. CIESC Journal, 2018, (S1): 148-154. DOI： 10.11949/j.issn.0438-1157.20180197.

摘要

采用十八烷基三甲基氯化铵（OTAC）作为改性剂、通过离子交换法制备了改性蒙脱土（OTAC-MMT）；以4，4'-二氨基二苯甲烷双马来酰亚胺（MBMI）、3，3'-二烯丙基双酚A（BBA）及双酚A双烯丙基醚（BBE）为原料制备了复合材料基体（MBAE）；利用原位聚合法将OTAC-MMT和聚醚砜（PES）掺杂基体中制备OTAC-MMT/PES-MBAE复合材料。XRD结果分析表明：OTAC-MMT层间距相对于Na-MMT有明显增大。SEM微观形貌显示：OTAC-MMT片层结构更加明显且分散均匀；复合材料的表面更加粗糙，改性蒙脱土分散均匀，PES与基体树脂呈两相结构，出现了向不同方向发展的银纹和微裂纹，呈韧性断裂。当OMMT质量分数为2%、PES为3%时，OTAC-MMT/PES-MBAE复合材料的冲击强度和弯曲强度分别为14.54 kJ·m-2和149.12 MPa，较MBAE树脂分别提高了55.5%和47.2%。介电性能测试表明：OTAC-MMT/PES-MBAE复合材料介电常数和损耗略有上升，但仍满足材料的使用要求。

Abstract

Cetyltrimethyl ammonium chloride(OTAC) as modifier

modified montmorillonite(OTAC-MMT) was prepared via cation exchange. 4

4'-diamino diphenyl methane bismaleimide(MBMI)

3'-diallyl bisphenol A(BBA) and bisphenol-A diallyl ether(BBE) were used to synthesize MBAE matrix

OTAC-MMT/PES-MBAE composites were prepared from MBAE

OTAC-MMT and PES by in-situ polymerization method

respectively. The XRD result revealed that the interlayer spacing of OTAC-MMT increase obviously

which compared with Na-MMT. The SEM micro-morphology displayed that the layer structure of OTAC-MMT was more apparent and dispersed uniformly

the surface of composites were more rough than that of MBAE

PES and MBAE matrix presented two-phase

crazing and microcrack which direct in different directions were appeared

exhibited ductile fracture. When the mass fraction of OTAC-MMT was 2%

PES content was 4%

the impact strength and the bending strength of OTAC-MMT/PES-MBAE were 14.54 kJ·m-2 and 143.12 MPa

enhance 55.5% and 47.2% than that of MBAE matrix

respectively. The dielectric constant and loss of the composite material showed a little increase while OTAC-MMT and PES exist

but OTAC-MMT could reduce the negative impacts of PES.

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