硅聚物-氧化石墨烯增强玻璃纤维/环氧树脂复合材料的制备与性能

许欢; 叶蓓; 陆晶晶; 管纪鹏; 党蕊琼; 沈小军

硅聚物-氧化石墨烯增强玻璃纤维/环氧树脂复合材料的制备与性能

许欢^{1, 2},
叶蓓¹,
陆晶晶¹,
管纪鹏¹,
党蕊琼¹,
沈小军^1, ,

1.
嘉兴大学　材料与纺织工程学院, 嘉兴 314000
2.
常州大学　材料科学与工程学院, 常州 213000

基金项目: 浙江省自然科学基金 (LY22E030013)

详细信息

通讯作者:
沈小军，博士，教授，硕士生导师，研究方向为聚合物基复合材料　E-mail: sxj908@163.com

中图分类号: TB332
计量
- 文章访问数: 65
- HTML全文浏览量: 33
- 被引次数: 0
出版历程
- 收稿日期: 2023-12-14
- 修回日期: 2024-01-21
- 录用日期: 2024-01-22
- 网络出版日期: 2024-03-02

Preparation and properties of Silicone polymer-Graphene oxide reinforced glass fiber/epoxy resin composites

1.
School of Materials and Textile Engineering, Jiaxing University, Jiaxing 314000, China
2.
School of Materials Science and Engineering, Changzhou University, Changzhou 213000, China

Funds: Natural Science Foundation of Zhejiang Province (No. LY22E030013)

摘要

摘要: 本研究将不同比例的硅聚物-氧化石墨烯(Silicon polymer-Graphene oxide，PSOL-GO)作为纳米填料来改性玻璃纤维/环氧树脂(Glass fiber/epoxy resin，GF/EP)复合材料，制备得到不同PSOL-GO含量的复合材料，利用观察形貌、测量接触角、红外分析、力学性能、动态力学分析(DMA)等测试方法分析了环氧复合材料的微观结构和增强机制。实验结果表明：PSOL-GO比例为1∶0.1时PSOL-GO@GF/EP复合材料力学性能最佳：改性后的GF/EP复合材料与纯GF/EP复合材料相比其层间剪切强度提升高了13.19%；其弯曲强度提升了33.12%；其拉伸强度提升了35.32%；其冲击强度提升了16.95%。添加比例为1∶0.1的PSOL-GO可使GF/EP复合材料的玻璃化转变温度(T_g)提高了7.1℃，使其耐热性有所提高。引入PSOL-GO纳米填料后的环氧树脂对玻璃纤维的润湿性更佳，同时可以填补纯的GF/EP复合材料自身空隙，增强复合材料的性能。
- 氧化石墨烯 /
- 环氧树脂 /
- 玻璃纤维 /
- 复合材料 /
- 填料 /
- 力学性能
Abstract: In this study, different proportions of Silicon polymer-Graphene oxide (PSOL-GO) were used as nano-fillers to modify Glass fiber/epoxy resin(GF/EP )composites, the composites with different PSOL-GO contents were prepared, The microstructure and strengthening mechanism of epoxy composites were analyzed by observing morphology, measuring contact Angle, infrared analysis, mechanical properties and dynamic mechanical analysis (DMA). The experimental results show that the mechanical properties of PSOL-GO@GF/EP composites are the best when the ratio of PSOL-GO is 1∶0.1: The interlayer shear strength of modified GF/EP composites is 13.19% higher than that of pure GF/EP composites; Its bending strength increased by 33.12%; Its tensile strength increased by 35.32%; Its impact strength increased by 16.95%. The glass transition temperature (T_g) of GF/EP composites was increased by 7.1℃ by adding PSOL-GO at 1∶0.1 ratio, and the heat resistance of GF/EP composites was improved. The epoxy resin with the introduction of PSOL-GO nano-filler has better wettability to glass fibers, and can fill the gap of pure GF/EP composite itself to enhance the performance of the composite materials.
- graphene oxide /
- epoxy resin /
- glass fibers /
- composite materials /
- fillers /
- mechanical properties

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图 1 硅聚物(PSOL)的制备机制

Figure 1. Preparation mechanism of Silicon polymer (PSOL)

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图 2 PSOL-氧化石墨烯(GO)@玻璃纤维/环氧树脂(GF/EP)复合材料的制备流程图

Figure 2. Flowchart of preparation of PSOL- Graphene oxide (GO)@ Glass fiber/epoxy resin，GF/EP (GF/EP) composites

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图 3 FE-SEM：(a) PSOL；(b)氧化石墨烯(GO)；(c)硅聚物-氧化石墨烯(PSOL-GO)

Figure 3. FE-SEM: (a) PSOL; (b) Graphene oxide (GO); (c) Silicon polymer-Graphene oxide(PSOL-GO)

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图 4 GO、PSOL及PSOL-GO的红外谱图

Figure 4. Infrared spectra of GO, PSOL and PSOL-GO

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图 5 不同比例的PSOL与GO对PSOL-GO@GF/EP复合材料层间剪切性能的影响

Figure 5. Effects of different ratios PSOL and GO on the interlaminar shear properties of PSOL-GO@GF/EP composites

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图 6 PSOL-GO@GF/EP复合材料增强机制

Figure 6. Strengthening mechanism of PSOL-GO@GF/EP composites

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图 7 PSOL-GO@GF/EP复合材料剥离表面的SEM图像：(a)纯的玻璃纤维/环氧树脂(GF/EP)复合材料；(b) Psol:GO=1∶0.1；(c) Psol:GO=1:0.3；(d) Psol:GO=4:0.1

Figure 7. SEM images of the peeling surface of PSOL-GO@GF/EP composites: (a) pure Glass fiber/epoxy resin(GF/EP)composites;(b) Psol:GO=1∶0.1; (c) Psol:GO=1:0.3; (d) Psol:GO=4:0.1

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图 8 PSOL-GO@EP对玻璃纤维润湿性的影：(a)纯环氧；(b) PSOL:GO=1∶0.1

Figure 8. Influence of PSOL-GO@EP on wettability of glass fiber: (a) pure epoxy; (b) PSOL:GO=1∶0.1

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图 9 不同比例的PSOL与GO对PSOL-GO@GF/EP复合材料弯曲性能的影响

Figure 9. Influence of different ratios of PSOL and GO on the bending properties of PSOL-GO@GF/EP composites

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图 10 不同比例的PSOL与GO对PSOL-GO@GF/EP复合材料拉伸性能的影响

Figure 10. Influence of different ratios PSOL to GO on the tensile properties of PSOL-GO@GF/EP composites

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图 11 不同比例的PSOL与GO比例对PSOL/GO/GF/EP复合材料冲击性能的影响

Figure 11. Influence of different ratios PSOL and GO on impact performance of PSOL/GO/GF/EP composites

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图 12 PSOL-GO@GF/EP复合材料动态力学性能的影响：(a)和(c)储能模量；(b)和(d)损耗因子

Figure 12. Influence of dynamic mechanical properties of PSOL-GO@GF/EP composites: (a) and (c) energy storage modulus; (b) and(d) loss factors

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