MIL-101(Cr)/PI纤维纸基复合材料对高温烟气过滤性能研究
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摘要
采用溶剂热法合成了具有高比表面积和优异热稳定性的金属框架化合物MIL-101(Cr).再以聚酰亚胺(PI)纤维、对位芳纶沉析纤维为原料,引入预合成的MIL-101(Cr)晶体,通过现代湿法造纸技术制备出了MIL-101(Cr)/PI纤维纸基复合材料,并考察了MIL-101(Cr)添加量对复合材料高温烟气过滤性能的影响.研究结果表明,MIL-101(Cr)的添加能够显著提高纸基复合材料的过滤性能,其质量因子分别在室温和260℃时增长了152.69%和558.22%.
Mil-101(Cr),a metal framework compound with high specific surface area and excellent thermal stability,was synthesized by solvent thermal method.MIL-101(Cr)/PI fiber paper-based composites were made of polyimide fibers and para-aramid fibers as raw material and introducing presynthesized MIL-101(Cr)via modern wet-forming papermaking technique.The influence of content of MIL-101(Cr)on filtration performance of paper for hot gas was analyzed.The results showed that the filtration performance of paper-based composites with MIL-101(Cr)increased remarkably,the quality factor enhanced by 152.69% and 558.22% at room temperature and 260℃respectively.
Mil-101(Cr),a metal framework compound with high specific surface area and excellent thermal stability,was synthesized by solvent thermal method.MIL-101(Cr)/PI fiber paper-based composites were made of polyimide fibers and para-aramid fibers as raw material and introducing presynthesized MIL-101(Cr)via modern wet-forming papermaking technique.The influence of content of MIL-101(Cr)on filtration performance of paper for hot gas was analyzed.The results showed that the filtration performance of paper-based composites with MIL-101(Cr)increased remarkably,the quality factor enhanced by 152.69% and 558.22% at room temperature and 260℃respectively.
引文
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[22]苏治平.纤维素基空气过滤材料的制备及其性能研究[D].西安:陕西科技大学,2017.
[2]Tsiouri V.,K.E.Kakosimos,P.Kumar.Concentrations,sources and exposure risks associated with particulate matter in the middle east area a review[J].Air Quality Atmosphere&Health,2015,8(1):67-80.
[3]Zhao S,Chen L,Li Y,et al.Summertime spatial variations in atmospheric particulate matter and its chemical components in different functional areas of Xiamen,China[J].Atmosphere,2015,6(3):234-254.
[4]Heidenreich S.Hot gas filtration:A review[J].Fuel,2013,104(2):83-94.
[5]Zhang R,Jing J,Tao J,et al.Chemical characterization and source apportionment of PM2.5in Beijing:Seasonal perspective[J].Atmospheric Chemistry&Physics,2013,13(14):7 053-7 074.
[6]Wang C F,Jeng S L,Lin C C,et al.Preparation of airborne particulate standards on PTFE-membrane filter for laser ablation inductively coupled plasma mass spectrometry[J].Analytica Chimica Acta,1998,368(1):11-19.
[7]Wang Q,Khan F,Wei L,et al.Filtration properties of carbon woven fabric filters supplied with high voltage for removal of PM 1.0particles[J].Separation&Purification Technology,2017,177(3):40-48.
[8]赵文焕,原永涛,赵利,等.聚四氟乙烯覆膜滤料的发展及应用特点[J].建筑热能通风空调,2006,25(4):35-37,103.
[9]Xiong Z C,Yang R L,Zhu Y J,et al.Flexible hydroxyapatite ultralong nanowire-based paper for highly efficient and multifunctional air filtration[J].Journal of Materials Chemistry A,2017,33(5):17 482-17 491.
[10]Liu T F,Feng D,Chen Y P,et al.Topology-guided design and syntheses of highly stable mesoporous porphyrinic zirconium metal-organic frameworks with high surface area[J].Journal of the American Chemical Society,2015,137(1):413-419.
[11]Kumar P,Kim K H,Kwon E E,et al.Metal-organic frameworks for the control and management of air quality:Advances and future direction[J].Journal of Materials Chemistry A,2015,4(2):345-361.
[12]Chen Y,Zhang S,Cao S,et al.Roll-to-Roll production of metal-organic framework coatings for particulate matter removal[J].Advanced Materials,2017,29(15):1 606 221-1 606 226.
[13]Kimiyoshi N.Tensile properties of polyimide composites incorporating carbon nanotubes-grafted and polyimidecoated carbon fibers[J].Journal of Materials Engineering and Performance,2014,23(9):3 245-3 256.
[14]李兵涛,金平良,柯勤飞.一种耐高温水解的聚酰亚胺过滤材料的制备及其性能研究[J].产业用纺织品,2013,31(1):40-43.
[15]Zhang R,Chong L,Hsu P C,et al.Nanofiber air filters with high-temperature stability for efficient PM2.5removal from the pollution sources[J].Nano Letters,2016,16(6):3 642-3 649.
[16]Jiang S,Uch B,Agarwal S,et al.Ultralight,thermally insulating,compressible polyimide fiber assembled sponges[J].Acs Applied Materials&Interfaces,2017,37(9):32 308-32 315.
[17]陈勇,郭金涛,王重庆,等.金属有机骨架材料MIL-101的合成及CO吸附性能[J].南京工业大学学报(自然科学版),2012,34(5):7-11.
[18]Jia X,Zhao P,Ye X,et al.A novel metal-organic framework composite MIL-101(Cr)@GO as an efficient sorbent in dispersive micro-solid phase extraction coupling with UHPLC-MS/MS for the determination of sulfonamides in milk samples[J].Talanta,2016,169(2):227-238.
[19]Shafiei M,Alivand M S,Rashidi A,et al.Synthesis and adsorption performance of a modified micro-mesoporous MIL-101(Cr)for VOCs removal at ambient conditions[J].Chemical Engineering Journal,2018,341(4):164-174.
[20]Anbia M,Hoseini V.Development of MWCNT@MIL-101hybrid composite with enhanced adsorption capacity for carbon dioxide[J].Chemical Engineering Journal,2012,191(4):326-330.
[21]Pourebrahimi S,Kazemeini M,Vafajoo L.Embedding graphene nanoplates into MIL-101(Cr)pores:Synthesis,characterization,and CO2adsorption studies[J].Industrial&Engineering Chemistry Research,2017,56(14):3 895-3 904.
[22]苏治平.纤维素基空气过滤材料的制备及其性能研究[D].西安:陕西科技大学,2017.