芳砜纶耐高温过滤织物的性能研究
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摘要
为了研究不同组织结构对芳砜纶耐高温过滤织物性能的影响,制备了3种不同组织结构的复合织物,并对织物的拉伸、透气、透湿、隔热、阻燃、过滤性能进行测试分析。研究结果表明,3种复合织物的断裂强力、断裂伸长率的大小为:平纹>2/1斜纹>3/1斜纹;导热系数、燃烧损毁长度的大小为:平纹>2/1斜纹>3/1斜纹;过滤阻力系数的大小为:平纹<2/1斜纹<3/1斜纹。因此,3/1斜纹复合织物的隔热、阻燃和过滤性能较好。
In order to study the effects of different tissue structures on the properties of polysulfonamide-based high temperature-resistant filter fabrics,three kinds of composite fabrics with different microstructures are prepared,and the tensile,breathable,moisture permeable,heat insulation,flame retardant and filtration properties of the fabrics are tested and analyzed.Study results illustrate that the breaking strength and elongation at break of these three composite fabrics ranges from high to low as follows: plain weave>2/1 twill>3/1 twill; Thermal conductivity and length of burning damage:plain weave>2/1 twill > 3/1 twill; The filter resistance coefficient: plain weave < 2/1 twill < 3/1 twill. Therefore,the 3/1 twill composite fabric has better heat insulation,flame retardancy and filtration properties.
In order to study the effects of different tissue structures on the properties of polysulfonamide-based high temperature-resistant filter fabrics,three kinds of composite fabrics with different microstructures are prepared,and the tensile,breathable,moisture permeable,heat insulation,flame retardant and filtration properties of the fabrics are tested and analyzed.Study results illustrate that the breaking strength and elongation at break of these three composite fabrics ranges from high to low as follows: plain weave>2/1 twill>3/1 twill; Thermal conductivity and length of burning damage:plain weave>2/1 twill > 3/1 twill; The filter resistance coefficient: plain weave < 2/1 twill < 3/1 twill. Therefore,the 3/1 twill composite fabric has better heat insulation,flame retardancy and filtration properties.
引文
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[2]Jones A M,Harrison R M.Emission of ultrafine particles from the incineration of municipal solid waste:A review[J]. Atmospheric Environment,2016,140:519-528.
[3]Jaworek A,Krupa A,Czech T. Modern electrostatic devices and methods for exhaust gas cleaning:A brief review[J]. Journal of Electrostatics,2007,65(3):133-155.
[4]Brown R C,Thorpe A.Glass-fibre filters with bimodal fibre size distributions[J].Powder Technology,2001,118(1-2):3-9.
[5]Leibold H,Dirks F,Rüdinger V.Particulate emissions from a LLW incinerator and off-gas cleaning with a new type of ceramic candle filter[J].Waste Management,1989,9(2):87-94.
[6]Ryi S K,Park J S,Park S J,et al.Fabrication of nickel filter made by uniaxial pressing process for gas purification:Fabrication pressure effect[J]. Journal of Membrane Science,2007,299(1-2):174-180.
[7]Hosseini S A,Tafreshi H V.On the importance of fibers'cross-sectional shape for air filters operating in the slip flow regime[J].Powder Technology,2011,212(3):425-431.
[8]Bucher T M,Tafreshi H V,Tepper G C. Modeling performance of thin fibrous coatings with orthogonally layered nanofibers for improved aerosol filtration[J].Powder Technology,2013,249:43-53.
[9]Lupión M,Ortiz F J G,Navarrete B,et al.Assessment performance of high-temperature filtering elements[J].Fuel,2010,89(4):848-854.
[10]Ballesteros M F,Kresnow M J. Prevalence of residential smoke alarms and fire escape plans in the U. S.:Results from the second injury control and risk survey(ICARIS-2)[J]. Public Health Reports,2007,122(2):224-231.
[11]Li H,Zhu Y,Xu B,et al. Preparation and characterization of all para-position polysulfonamide fiber[J].Journal of Applied Polymer Science,2013,127(1):342-348.
[12]彭浩凯,郑帼,孙玉.空气等离子体处理芳砜纶纤维表面改性的研究[J].材料导报,2015,29(20):87-91.
[13]Li H,Zhu Y,Xu B,et al. Preparation and characterization of all para-position polysulfonamide fiber[J].Journal of Applied Polymer Science,2013,127(1):342-348.
[14]汪晓峰,张玉华.芳砜纶的性能及其应用[J].纺织导报,2005,(1):18-20.
[15]张永励,李岩,孙震.织物形式对苎麻纤维渗透率及其复合材料力学性能的影响[J].复合材料学报,2013,30(2):195-200.
[16]邱茂伟,王府梅.机织物透气性能的预测研究[J].纺织学报,2005,(4):73-75.
[17]姚穆.纺织材料学[M].北京:中国纺织出版社,2009.1.
[18]楼利琴,励宏,黄锐镇.不同混纺比芳纶、芳砜纶隔热层水刺非织造布性能分析[J].纺织学报,2013,34(6):46-50.
[19]Dedov A V.Evaluation of the air permeability of needle-punch materials[J].Fibre Chemistry,2006,38(3):218-220.
[20]于伟东.纺织材料学[M].北京:中国纺织出版社,2006:329-334.
[21]朱方龙.基于辐射衰减特征的隔热防护织物有效导热系数简化模型[J].纺织学报,2011,32(10):57-60.
[22]李红燕,张渭源.消防服用织物的阻燃性能及其TPP值[J].纺织学报,2008,29(5):84-88.
[23]王倩楠.高温气体过滤材料的制备及过滤性能的研究[D].上海:东华大学,2017.