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芳纶短切纤维-芳纶浆粕增强云母纸性能的研究 |
Improvement of Mica Paper Properties by Using Aramid Fibers |
收稿日期: |
DOI:10.11980/j.issn.0254-508X.2016.04.007 |
关键词: 芳纶纤维 云母纸 CPAM 丁苯胶乳 |
Key Words:aramid fiber mica CPAM SBR |
基金项目:陕西省教育厅产业化培育项目(15JF012);陕西省科技厅科技新星专项(2015KJXX-34);陕西省教育厅重点实验室项目(12JS018)。 |
作者 | 单位 | 王腊梅1 | 1.陕西科技大学轻工与能源学院,陕西省造纸技术及特种纸品开发重点实验室,陕西西安,710021 | 陆赵情1,* | 1.陕西科技大学轻工与能源学院,陕西省造纸技术及特种纸品开发重点实验室,陕西西安,710021 | 张美娟2 | 2.浙江仙鹤特种纸有限公司,浙江衢州,324022 | 丁 威2 | 2.浙江仙鹤特种纸有限公司,浙江衢州,324022 | 魏 宁1 | 1.陕西科技大学轻工与能源学院,陕西省造纸技术及特种纸品开发重点实验室,陕西西安,710021 | 郝 杨1 | 1.陕西科技大学轻工与能源学院,陕西省造纸技术及特种纸品开发重点实验室,陕西西安,710021 |
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摘要:为了提高云母纸性能,研究了在CPAM改性剂作用下添加芳纶短切纤维和芳纶浆粕对云母纸性能的影响。采用单因素实验确定了芳纶纤维用量及配比、CPAM改性条件以及丁苯胶乳用量对云母纸性能的影响。实验结果表明,芳纶短切纤维和芳纶浆粕在总用量7%、配比为2∶5时,可改善云母纸的机械性能和电气性能;使用CPAM对云母鳞片进行改性,当改性时间30 min、改性浓度12%、改性剂CPAM用量1%时,芳纶云母复合纸的抗张强度较纯云母纸提高了315.8%,介电强度提高45.6%;丁苯胶乳用量为5%时,芳纶云母复合纸的抗张强度较CPAM改性芳纶云母复合纸的增加了123.9%,对其电气性能没有影响。 |
Abstract:In order to improve the performance of mica paper, the effect of adding aramid fibers and modifing mica on the properties of the mica paper was studied. Using the method of controlling single-factor to determine the optimal process parameters such as the amount of aramid fiber and dosages of CPAM and SBR.The study results showed that when aramid fibers amount was 7% and the ratio of chopped aramid fibers and pulp fibers was 2%∶5%, the mechanical and electrical properties of the mica paper were improved; when mica flakes were modified with CPAM for 30min at the concentration of 12% and CPAM content of 1.0%, the tensile strength of the mica paper increased 315.8%. On the other hand, when styrene-butadiene latex amount was 5%, the tensile strength of the composite sheet increased 123.9% compared with that of the papers using modifed mica. Meanwhile, there was no effect on electrical properties. |
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