[1]题璞,林志,王梓宁,等. 覆膜纸制备电热功能复合纤维板的性能研究[J].西北林学院学报,2021,36(1):233-240.[doi:10.3969/j.issn.1001-7461.2021.01.34]
　TI Pu,LIN Zhi,WANG Zi-ning,et al. Properties of Electric Heating Fiberboard Prepared with Coated Paper[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2021,36(1):233-240.[doi:10.3969/j.issn.1001-7461.2021.01.34]
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 覆膜纸制备电热功能复合纤维板的性能研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第36卷
期数:
2021年第1期
页码:
233-240
栏目:
出版日期:
2021-01-31

文章信息/Info

Title:
 Properties of Electric Heating Fiberboard Prepared with Coated Paper
文章编号:
1001-7461(2021)01-0233-08
作者:
 题璞; 林志; 王梓宁; 袁全平*
 （广西大学 资源环境与材料学院，广西 南宁 530004）
Author(s):
 TI Pu; LIN Zhi; WANG Zi-ning; YUAN Quan-ping*
（School of Resources,Environment and Materials,Guangxi University,Nanning 530004,Guangxi,China）
关键词:
 ; 酚醛树脂覆膜纸; 电热功能复合纤维板; 电热性能; 绝缘性能; 物理力学性能
Keywords:
 ; phenolic resin coated paper;  electric heating fiberboard;  electrothermal performance;  electric insulation properties;  physical and mechanical properties
分类号:
TB332
DOI:
10.3969/j.issn.1001-7461.2021.01.34
文献标志码:
A
摘要:
 采用碳纤维纸经安装电极作为电热层，以半固化酚醛树脂覆膜纸作为胶合材料和绝缘材料制备电热功能复合纤维板，研究其电热性能，测试分析微观形貌、物理力学性能及电绝缘性能。结果表明，加载500 W·m-2功率密度连续通电60 min后表面能达到26.4℃温升，辐射面不均匀度为4℃；功率密度与其温升呈线性相关；连续通电24 h过程中电阻下降率呈现先增大后稳定的趋势，通电24 h后下降率为4.2%；500 W·m-2功率密度通断电150次后电阻下降率仅为0.95%，具有良好的电热稳定性；工作温度下泄漏电流和热态绝缘电阻均符合相关标准要求；酚醛树脂渗透碳纤维纸形成了良好的胶接结构，内结合强度达到1.85 MPa。
Abstract:
 Taking the carbon fiber paper installed with electrodes as the electric heating layer,and the semi-cured phenolic-formaldehyde resin coated paper as the adhesive material and insulation material,the electrothermal performance，microscopic morphology，physical and mechanical properties,and electrical insulation properties were analyzed.The results showed that the electric heating fiberboard could reach a surface temperature rise of 26.4℃ when the power density was 500 W·m-2 after 60 min and the radiant temperature uniformity on surface was 4℃.The applied power density was linearly related to the temperature rise.In the process of continuous electrification for 24 h,the drop rate of resistance increased first and then stabilized at 4.2%.The drop rate of resistance after power-on and power-off for 150 times under 500 W·m-2 power density was only 0.95%，indicating good electrothermal stability.Leakage current at the operating temperature and hot insulation resistance could meet the related standard requirement.Phenolic resin permeated in carbon fiber paper to form a good bonding structure,by which the internal bonding strength of the electric heating fiberboard achieved 1.85 MPa.

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备注/Memo

备注/Memo:
 收稿日期：2020-06-21修回日期：2020-07-06
基金项目：广西创新驱动发展专项资金（桂科AA17204087-18）。
作者简介：题璞。研究方向:生物质复合材料。E-mail:tipu939225322@163.com
*通信作者：袁全平，博士，讲师。研究方向:生物质复合材料。E-mail:quanpingy@163.com
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