回收型碳纤维/聚丙烯纤维毡的制备及其模压成型复合材料性能研究

doi:10.19936/j.cnki.2096-8000.20241028.015

复合材料科学与工程 ›› 2024, Vol. 0 ›› Issue (10): 110-119.DOI: 10.19936/j.cnki.2096-8000.20241028.015

回收型碳纤维/聚丙烯纤维毡的制备及其模压成型复合材料性能研究

李楠, 刘若华, 杨阳, 高婧蕾, 阳玉球^*

东华大学纺织学院, 上海 201600

收稿日期:2023-07-17 出版日期:2024-10-28 发布日期:2024-12-10
通讯作者: 阳玉球(1976—),女,博士,教授,博士生导师,研究方向为纺织复合材料,amy_yuqiu_yang@dhu.edu.cn。
作者简介:李楠(1998—),男,硕士研究生,研究方向为回收型碳纤维增强热塑性树脂基复合材料。

Preparation of recycled carbon fiber/polypropylene fiber felt and study on the properties of molded composite

LI Nan, LIU Ruohua, YANG Yang, GAO Jinglei, YANG Yuqiu^*

College of Textile, Donghua University, Shanghai 201600, China

Received:2023-07-17 Online:2024-10-28 Published:2024-12-10

摘要/Abstract

摘要： 以回收碳纤维(Recycle Carbon Fiber, RCF)和聚丙烯(Polypropylene, PP)纤维为原料,通过非织造工艺制备为RCF/PP纤维毡,再通过热压成型将其制备为RCF/PP复合材料,探究非织造工艺参数以及模压成型参数,并对材料性能进行了研究。结果表明:针刺工艺采用15 pin/cm²的针刺密度和10 mm的针刺深度;热黏合工艺采用130~180 N/cm²的压力和160~180 ℃的温度。针刺固结的复合材料在190 ℃、6 MPa的条件下热压成型;热黏合固结的复合材料在177~180 ℃、7 MPa的条件下热压成型。针刺毡CD方向的拉伸性能相较于PD方向性能提高77.8%,热黏合毡CD方向的拉伸性能相较于PD方向性能提高59.3%,RCF/PP复合材料具有一定程度的各向异性。

关键词: 回收型碳纤维, 碳纤维毡, 模压成型, 复合材料

Abstract: Using recycled carbon fiber (RCF) and polypropylene (PP) as raw materials, RCF/PP felt is prepared through non-woven process, and then prepared into RCF/PP composite materials through hot pressing molding to investigate the non-woven process parameters and mold pressing parameters as well as the material performance. The results demonstrate that: The needling process adopts a needling density of 15 pin/cm² and a needling depth of 10 mm; the hot bonding process uses a pressure of 130~180 N/cm² and a temperature of 160~180 ℃. The composite material consolidated by acupuncture is hot pressed and formed at 190 ℃ and 6 MPa; the composite material that is thermally bonded and consolidated is formed by hot pressing at 177~180 ℃ and 7 MPa. The tensile properties of the CD direction of needle-punched felt are 77.8% higher than those of the PD direction, while thermal bonded felt are 59.3% higher than those of the PD direction. RCF/PP composite materials exhibit a certain degree of anisotropy.

Key words: recycled carbon fiber, carbon fiber felt, molding, composite

中图分类号:

TB332

李楠, 刘若华, 杨阳, 高婧蕾, 阳玉球. 回收型碳纤维/聚丙烯纤维毡的制备及其模压成型复合材料性能研究[J]. 复合材料科学与工程, 2024, 0(10): 110-119.

LI Nan, LIU Ruohua, YANG Yang, GAO Jinglei, YANG Yuqiu. Preparation of recycled carbon fiber/polypropylene fiber felt and study on the properties of molded composite[J]. COMPOSITES SCIENCE AND ENGINEERING, 2024, 0(10): 110-119.

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回收型碳纤维/聚丙烯纤维毡的制备及其模压成型复合材料性能研究

Preparation of recycled carbon fiber/polypropylene fiber felt and study on the properties of molded composite

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