改性聚合物及其改性沥青及沥青混合料性能研究
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摘要
针对传统沥青混合料外掺剂高、低温性能难以同时兼顾的矛盾,采取共混接枝改性的方法,制备了改性聚合物,实现了其性能可控。利用傅氏转换红外线光谱(FTIR)对改性聚合物进行了分析表征,并讨论了不同试验参数(如改性聚合物的量、拌和温度、拌和时间和混合料级配类型)对改性沥青及沥青混合料性能的影响。结果显示,所用改性聚合物能够改善沥青混合的高、低温性能,同时提高沥青混合料的高温抗车辙和低温抗裂能力,有效提高沥青混合料的路用性能。
In view of the contradiction between the high and low temperature performance of traditional asphalt mixture admixtures, this paper prepared the modified polymer by blending grafting modification and realized its performance was controllable. Using the Fourier Transform Infrared Spectrum, it also analyzed and characterized the modified polymer and discussed the effects of different test parameters(such as the amount of modified polymer, mixing temperature, mixing time and mixture gradation type) on the performance of modified asphalt and asphalt mixture.
In view of the contradiction between the high and low temperature performance of traditional asphalt mixture admixtures, this paper prepared the modified polymer by blending grafting modification and realized its performance was controllable. Using the Fourier Transform Infrared Spectrum, it also analyzed and characterized the modified polymer and discussed the effects of different test parameters(such as the amount of modified polymer, mixing temperature, mixing time and mixture gradation type) on the performance of modified asphalt and asphalt mixture.
引文
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[18]Ping Li,Xiuli Wang,Huishan Li et al.Influence factors and anti-rutting agent of high-temperature stability of asphalt m ixture[J].International Conference on Traffic&Transportation Studies,2010,1293-1302.
[19]Hui Bing,Zhang Chao,Analysis of high temperature ability influence factors of antirutting agent modified asphalt mixture[J].International Conference on Transportation Engineering,2011,1904-1909.
[20]Ping Li,Hui S.Li,Han Q.Liuet al.The application of anti-rutting agent on improving the high-temperature stability of asphalt pavement[J].International Conference of Chinese Transportation Professionals,2009,2562-2568.
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[22]Li Q.Yang,Fa R.Zhang,Takashi Endo et al.Microstructure of maleic anhydride grafted polyethylene by high-resolution solution-state NMR and FTIR spectroscopy[J].Macromolecules,2003,36(13):4709-4718.
[2]Zhao Y.He,Zhao F.Lu,Hong X.Chen.Study on the method to calculate rutting of asphalt pavement based on the dynamic load coupled between the road and vehicle,Perform[J].Performance Modeling and Evaluation of Pavement Systems and Materials,2009,55-61.
[3]Juraidah Ahmad,Rahman M.Y.Abdul,Mohd R.Hainin.Rutting evaluation of dense graded hot mix asphalt mixture[J].International Journal of Engineering and Technology,2011,11(5):48-52.
[4]伍石生,徐希娟.添加PR.PLASTS抗车辙剂的沥青混合料性能研究[J].公路,2005(1):156-159.
[5]肖庆一,芮少权,王航,等.添加PR PLASTS抗车辙剂沥青混合料试验研究[J].武汉理工大学学报,2006,28(7):36-39.
[6]权登州,殷伟,吴颖.掺Duroflex抗车辙剂沥青混合料性能研究[J].河北交通科技,2008,5(2):35-37.
[7]彭余华.PR PLAST.S外加剂应用研究[J].公路交通科技应用技术版,2008(12):73-77.
[8]Yuan Y.Sui,Zhong D.Chen.Application and performance of polyethylene modifying additive in asphalt[J].International Conference on Transportation Engineering,2011,1915-1919.
[9]Hua X.Chen,Qin W.Xu,Experimental study of fibers in stabilizing and reinforcing asphalt binder[J].Fuel 2010,89(7):1616-1622.,,
[10]Bradley J.Putman,Serji N.Amirkhanian.Utilization of waste fibers in stone matrix AC mixtures[J].Resources,Conservation and Recycling,2004,42(3):265-274.
[11]Judith C.Wang,Xiang W.Zeng.Influence of temperature and pressure on the dynamic properties of rubber-modified asphalt concrete[J].Journal of Materials in Civil Engineering,2006,18(1):125-131.
[12]Xiang Shu,Bao S.Huang,Recycling of waste tire rubber in asphalt and Portland cement concrete:an overview[J].Construction and Building Materials,2014,67(Part B):217-224.
[13]Samuel B.Cooper III,Louay N.Mohammad,Mostafa A.Elseifi,Laboratory performance characteristics of sulfurmodified warm-mix asphalt[J].Journal of Materials in Civil Engineering,2011,23(9):1338-1345.
[14]Chang Q.Fang,Cai X.Wu,Jing B.Hu et al.Pavement properties of asphalt modified with packaging-waste polyethylene[J].Journal of Vinyl&Additive Technology,2014,20(1):31-35.
[15]Hannele Zubeck,Lutfi Raad,Stephan Saboundjian et al.Performance of polymer-modified asphalt-aggregate mixtures in Alaska[J].Journal of Cold Regions Engineering,2002,16(4):170-190.
[16]Ji Q.Zhu,Bjo咬rn Birgisson,Niki Kringos,Polymer modification of bitumen:advances and challenges[J].European Polymer Journal,2014,54:18-38.
[17]Sinan Hinisliog姚lu,Emine Ag姚ar,Use of waste high density polyethylene as bitumen modifier in asphalt concrete mix[J].Materials Letters,2004,58(3-4):267-271.
[18]Ping Li,Xiuli Wang,Huishan Li et al.Influence factors and anti-rutting agent of high-temperature stability of asphalt m ixture[J].International Conference on Traffic&Transportation Studies,2010,1293-1302.
[19]Hui Bing,Zhang Chao,Analysis of high temperature ability influence factors of antirutting agent modified asphalt mixture[J].International Conference on Transportation Engineering,2011,1904-1909.
[20]Ping Li,Hui S.Li,Han Q.Liuet al.The application of anti-rutting agent on improving the high-temperature stability of asphalt pavement[J].International Conference of Chinese Transportation Professionals,2009,2562-2568.
[21]Mohammad J.Khattak,Gilbert Y.Baladi,Engineering properties of polymer modified asphalt mixtures[J].Transportation Research Record Journal of the Transportation Research Board,1998,1638(1):12-22.
[22]Li Q.Yang,Fa R.Zhang,Takashi Endo et al.Microstructure of maleic anhydride grafted polyethylene by high-resolution solution-state NMR and FTIR spectroscopy[J].Macromolecules,2003,36(13):4709-4718.
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