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Study on Interfacial Properties of Embedded Co-grafting Aramid Fiber Reinforced Carboxylic Polycarbonate Damping Composites
- Acta Polymerica Sinica Vol. 56, Issue 7, Pages: 1247-1256(2025)
- 作者机构：
1.三明学院机电工程学院 三明 365004
2.青岛理工大学机械与汽车工程学院 青岛 266520
3.山东大学材料科学与工程学院 济南 250061
- 作者简介：
Sen Liang, E-mail: liangsen@qut.edu.cn
- 基金信息：
DOI：10.11777/j.issn1000-3304.2025.24310
CLC：- CSTR：32057.14.GFZXB.2025.7381
Received：26 December 2024，
Accepted：11 March 2025，
Published Online：28 May 2025，
Published：20 July 2025
- 稿件说明：
移动端阅览
梁森, 葛洪升, 王风全, 吴龙, 赵国群. 嵌入式共接枝芳纶纤维增强羧基聚碳酸酯阻尼复合材料界面性能. 高分子学报, 2025, 56(7), 1247-1256
Liang, S.; Ge, H. S.; Wang, F. Q.; Wu, L.; Zhao, G. Q. Study on interfacial properties of embedded co-grafting aramid fiber reinforced carboxylic polycarbonate damping composites. Acta Polymerica Sinica, 2025, 56(7), 1247-1256
梁森, 葛洪升, 王风全, 吴龙, 赵国群. 嵌入式共接枝芳纶纤维增强羧基聚碳酸酯阻尼复合材料界面性能. 高分子学报, 2025, 56(7), 1247-1256 DOI： 10.11777/j.issn1000-3304.2025.24310. CSTR： 32057.14.GFZXB.2025.7381.
Liang, S.; Ge, H. S.; Wang, F. Q.; Wu, L.; Zhao, G. Q. Study on interfacial properties of embedded co-grafting aramid fiber reinforced carboxylic polycarbonate damping composites. Acta Polymerica Sinica, 2025, 56(7), 1247-1256 DOI： 10.11777/j.issn1000-3304.2025.24310. CSTR： 32057.14.GFZXB.2025.7381.
摘要
为改善芳纶纤维增强热塑性树脂基阻尼复合材料的界面结合能力，使用氯化钙(CaCl
2
)乙醇溶液处理芳纶纤维(PPTA)表面，采用二氯甲烷和盐酸溶液处理聚碳酸酯(PC)薄片表面，并将甲基乙烯基硅橡胶(VSI)溶解于二氯甲烷中制作阻尼胶浆，利用硅烷偶联剂(KH560)的桥接作用，对改性后的PPTA、PC及VSI进行化学共接枝，制备出嵌入式共接枝芳纶纤维增强羧基聚碳酸酯阻尼复合材料(embedded co-grafting aramid fiber reinforced carboxylic polycarbonate damping composites，ECAFRCPDC). 通过傅里叶变换红外光谱(FTIR)、扫描电子显微镜(SEM)、能量色散谱(EDS)、H抽出、层间剪切及自由振动衰减试验对复合材料性能进行表征，结果表明：KH560接枝后的试件H抽出力提升了137%，层间剪切应力提升了74%，材料的界面结合性能显著提升；且当阻尼层较薄时，随着阻尼层厚度增加，复合材料试件振动稳定性提高，阻尼效果更佳. 本研究为嵌入式共接枝纤维增强热塑性树脂阻尼复合材料广泛应用提供了指导.
Abstract
To improve the interfacial bonding ability of aramid fiber reinforced thermoplastic resin matrix damping composite materials
this study treated the surface of aramid fibers (PPTA) with CaCl
2
ethanol solution and treated the surface of polycarbonate (PC) sheets with dichloromethane and hydrochloric acid solution. Methylvinyl silicone rubber (VSI) was dissolved in dichloromethane to prepare a damping slurry. Using the bridging effect of a silane coupling agent (KH560)
chemical co-grafting was performed on the modified PPTA
PC
and VSI
resulting in the preparation of embedded co-grafted aramid fiber-reinforced carboxylic polycarbonate damping composites. The properties of the composite material were characterized by FT-IR
SEM
EDS
H extraction
interlayer shear
and free vibration attenuation tests. The results showed that after KH560 co-grafting
the H extraction force of the specimen increased by 137%
and the interlayer shear stress increased by 74%
demonstrating a significant improvement in the interfacial bonding performance of the materials. Furthermore
when the damping layer was relatively thin
as the thickness of the damping layer increased
the vibration stability of the composite specimens improved
resulting in better damping effects. The conclusions will provide a reference for the design and manufacture of the fiber reinforced thermoplastic resin matrix
damping composite material.
关键词
Keywords
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