Al<sub>2</sub>O<sub>3</sub>与两种热塑性树脂协同改性双马来酰亚胺基复合材料微观结构与性能

陈宇飞; 代国庆; 田麒源; 董磊; 崔巍巍; 滕成君

doi:10.13801/j.cnki.fhclxb.20190925.001

Al₂O₃与两种热塑性树脂协同改性双马来酰亚胺基复合材料微观结构与性能

doi: 10.13801/j.cnki.fhclxb.20190925.001

陈宇飞^{1, 2, ,},
代国庆¹,
田麒源¹,
董磊¹,
崔巍巍¹,
滕成君³

1.
哈尔滨理工大学　材料科学与工程学院，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，哈尔滨 150080
3.
哈尔滨市香坊区疾病预防控制中心，哈尔滨 150030

基金项目: 国家自然科学基金(51177030)；哈尔滨创新人才专项(2015RAXXJ029)

详细信息

通讯作者:
陈宇飞，博士，教授，研究方向为介电复合材料、高性能航空材料结构与性能　E-mail：chenyufei@hrbust.edu.cn

中图分类号: TB332
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- 被引次数: 0
出版历程
- 收稿日期: 2019-07-01
- 录用日期: 2019-09-24
- 网络出版日期: 2019-09-26
- 刊出日期: 2020-06-15

Microstructures and properties of bismaleimide matrix composites modified by Al₂O₃ and two kinds of thermal plastic resin

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

摘要

摘要: 以3,3’-二烯丙基双酚A(BBA)、双酚A双烯丙基醚(BBE)为活性稀释剂、4,4’-二氨基二苯甲烷双马来酰亚胺(MBMI)为反应单体合成聚合物基体(MBAE)，以两种热塑性树脂(聚醚砜(PES)和磺化聚醚醚酮(SPEEK))为增韧剂、以溶胶-凝胶法(Sol-Gel)制备的纳米Al₂O₃为改性剂，制备了Al₂O₃-PES-SPEEK/MBAE复合材料，并采用FTIR、SEM、冲击强度、弯曲强度、弯曲模量和热失重测试的方法研究复合材料的微观形貌、力学性能和耐热性。结果表明：SPEEK中存在磺酸基团，微观结构更松散，磺化度约为41.3%；Al₂O₃为纳米级短纤维状晶体，表面含有活性羟基。Al₂O₃-PES-SPEEK/MBAE复合材料的微观形貌表明：适量的PES、SPEEK和Al₂O₃在基体树脂中分散均匀，断面形貌呈鱼鳞状，断裂纹不规则且发散，断裂方式为韧性断裂。力学性能测试结果显示，当PES、SPEEK及Al₂O₃质量分数分别为3 wt%、2 wt%和3 wt%时，Al₂O₃-PES-SPEEK/MBAE复合材料的弯曲强度、弯曲模量和冲击强度为172.9 MPa、4.7 GPa和21.4 kJ/m²，分别比基体树脂提高了73.1%、74.1%和125.3%，并且Al₂O₃-PES-SPEEK/MBAE复合材料的热分解温度为453.5℃，比基体树脂提高了15.4℃，Al₂O₃-PES-SPEEK/MBAE复合材料的力学性能和耐热性有较大提高。
- 聚醚砜 /
- 磺化聚醚醚酮 /
- Al₂O₃ /
- 双马来酰亚胺 /
- 力学性能 /
- 耐热性
Abstract: The Al₂O₃-PES-SPEEK/MBAE composites were prepared by using 3,3'-diallyl bisphenol A(BBA) and bisphenol A diallyl ether(BBE) as the reactive diluent, which reacted with 4,4'- diamino diphenyl methane bismaleimide (MBMI) to synthesize MBAE matrix resin, two thermal plastic resins (polyether sulfone(PES) and sulfonated poly(ether ether ketone) (SPEEK)) as the reinforcements, and nano Al₂O₃ prepared by Sol-Gel method as the modifier. The microstructure, mechanical properties and heat resistance of the composites were investigated by FTIR, SEM, impact strength, flexural strength, flexural modulus and thermogravimetric testing. The results reveal that there are sulfonic acid groups in SPEEK, the microstructure is more loose, and the degree of sulfonation is about 41.3%. Al₂O₃ is a nano-sized short-fibrous crystal with hydroxyl groups on its surface. The micromorphology of Al₂O₃-PES-SPEEK/MBAE composites shows that the proper amount of PES, SPEEK and Al₂O₃ are uniformly dispersed in the matrix resin, which improves the fracture surface morphology of the composite, the shape of the section is fish scale, the fracture cracks are irregular and divergent, and the composites are ductile fracture. The mechanical properties indicate that the flexural strength, flexural modulus and impact strength of the Al₂O₃-PES-SPEEK/MBAE composite are the best 172.9 MPa, 4.7 GPa and 21.4 kJ/m², which is 73.1%, 74.1% and 125.3% higher than the matrix resin, respectively. When the mass fractions of PES, SPEEK and Al₂O₃ are 3 wt%, 2 wt% and 3 wt%, the thermal decomposition temperature of the Al₂O₃-PES-SPEEK/MBAE composite is 453.5℃, which is 15.4℃ higher than that of the matrix resin, and the mechanical properties and heat-resistance properties of the Al₂O₃-PES-SPEEK/MBAE composite are significantly improved.
- polyether sulfone /
- sulfonated poly(ether ether ketone) /
- Al₂O₃ /
- bismaleimide /
- mechanical properties /
- heat-resistance properties

HTML全文

图 1 PEEK和SPEEK的FTIR图谱

Figure 1. FTIR spectra of PEEK and SPEEK

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图 2 PEEK和SPEEK的SEM图像及EDS能谱结果

Figure 2. SEM images and EDS energy spectrum results of PEEK and SPEEK

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图 3 PES的SEM图像及EDS能谱结果

Figure 3. SEM image and EDS energy spectrum result of PES

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图 4 SPEEK、PES、Al₂O₃和Al₂O₃-PES-SPEEK/MBAE复合材料的FTIR图谱

Figure 4. FTIR spectra of SPEEK, PES, Al₂O₃ and Al₂O₃-PES-SPEEK/MBAE compsites

下载: 全尺寸图片幻灯片

图 5 Al₂O₃的TEM图像

Figure 5. TEM images of Al₂O₃

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图 6 MBAE、PES/MBAE、SPEEK/MBAE、PES-SPEEK/MBAE和Al₂O₃-PES-SPEEK/MBAE复合材料的SEM图像

Figure 6. SEM images of MBAE, PES/MBAE, SPEEK/MBAE, PES-SPEEK/MBAE, Al₂O₃-PES-SPEEK/MBAE compsites

下载: 全尺寸图片幻灯片

图 7 Al₂O₃-PES-SPEEK/MBAE复合材料的冲击强度(a)、弯曲强度和弯曲模量(b)

Figure 7. Impact strength (a), bending strength and bending modulus (b) of Al₂O₃-PES-SPEEK/MBAE composites

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图 8 Al₂O₃-PES-SPEEK/MBAE复合材料的热失重曲线

Figure 8. Thermal loss curves of Al₂O₃-PES-SPEEK/MBAE composites

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表 1 Al₂O₃-聚醚砜（PES）-磺化聚醚醚酮（SPEEK）/4,4'-二氨基二苯甲烷双马来酰亚胺-二烯丙基双酚A-双酚A双烯丙基醚（MBAE）复合材料的样品组分含量

Table 1. Sample component content of Al₂O₃-polyether sulfone(PES)-sulfonated poly(ether ether ketone) (SPEEK)/4,4'-diaminodiphenyl methane bismaleimide-diallyl bisphenol A-bisphenol A bisallyl ethe(MBAE) composite

Number Component Mass fraction/wt%
PES SPEEK Al₂O₃

A MBAE 0 0 0
B0-B5 Al₂O₃-PES-SPEEK/MBAE 3 2 0−5

下载: 导出CSV

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