基于主客体包合作用的自修复绝缘材料制备及性能
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摘要
制备了一种能自我修复的电缆绝缘护套材料.该材料基于主-客体分子间的相互作用,以β-环糊精(CD)-Al2O_3纳米粒子(NPs)为主体,2-羟基乙基-甲基丙烯酸酯和金刚烷(HEMA-Ad)为客体,通过主客体相互识别进行组装,然后将组装体与HEMA、丙烯酸丁酯(BA)和聚乙烯吡咯烷硐(PVP)进行自由基共聚,得到一种新型的PVP/p(HEMA-co-BA)自修复材料.通过红外光谱、二维红外光谱、核磁氢谱和碳谱、动态热机械分析仪、万能拉伸试验机及超景深三维显微镜等对材料进行表征.结果表明,该材料中存在主-客体相互作用和氢键2种超分子作用力; PVP/p(HEMA-co-BA)材料具有良好的热稳定性(耐热温度可达200℃);20℃时材料的储能模量随着交联剂含量的增大而增大(最高可达432 MPa);材料具有自修复效果(修复效率可达85. 2%)且能多次自修复,自修复效率随着交联剂含量的增加而降低.
In order to solve the damage and crack of the insulating material during the installation and operation of the power cable,we prepared a self-healing cable insulating material PVP/p(HEMA-co-BA).This self-healing material was synthesized by the radical polymerization using HEMA,BA,PVP and a host-guest assembly,which is assembled through the interaction between the host(CD-Al_2O_3 NPs) and guest molecule(HEMA-Ad). The material was characterized by infrared spectroscopy,2D infrared spectroscopy,1 H NMR spectroscopy,13 C NMR spectroscopy,dynamic thermomechanical analyzer,universal tensile tester,and 3D ultra-depth of focus microscopy. The results show that there are two kinds of supramolecular interactions(the host-guest interaction and the hydrogen bond) in the material. The self-healing material PVP/p(HEMA-co-BA) has good thermal stability(the heat-resisting temperature can reach 200 ℃) and good insulation property. It also has property of self-healing and can self-heal for many times. The storage modulus of the material increases(up to 432 MPa) with the increase of the cross-linking agent at 20 ℃. The self-healing efficiency decreases with the cross-linking agent increases.
In order to solve the damage and crack of the insulating material during the installation and operation of the power cable,we prepared a self-healing cable insulating material PVP/p(HEMA-co-BA).This self-healing material was synthesized by the radical polymerization using HEMA,BA,PVP and a host-guest assembly,which is assembled through the interaction between the host(CD-Al_2O_3 NPs) and guest molecule(HEMA-Ad). The material was characterized by infrared spectroscopy,2D infrared spectroscopy,1 H NMR spectroscopy,13 C NMR spectroscopy,dynamic thermomechanical analyzer,universal tensile tester,and 3D ultra-depth of focus microscopy. The results show that there are two kinds of supramolecular interactions(the host-guest interaction and the hydrogen bond) in the material. The self-healing material PVP/p(HEMA-co-BA) has good thermal stability(the heat-resisting temperature can reach 200 ℃) and good insulation property. It also has property of self-healing and can self-heal for many times. The storage modulus of the material increases(up to 432 MPa) with the increase of the cross-linking agent at 20 ℃. The self-healing efficiency decreases with the cross-linking agent increases.
引文
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[2]Zhang D. G.,Cable Fault Analysis and Test,China Electric Power Press,Beijing,2005(张栋国,北京:中国电力出版社,2005)
[3]Zhou Y.,Research on Factors Influencing Cable Insulation Performance and Its Countermeasures,Dalian University of Technology,Dalian,2015(周阳.影响电缆绝缘性能的因素研究及其对策,大连:大连理工大学,2015)
[4]Xiong B. F.,Tang C.,Wang Q.,Zhu S. P.,Li X.,Zhang S.,Journal of Southwest China Normal University(Natural Science),2016,41(8),138—144(熊必凤,唐超,王谦,祝诗平,李旭,张松.西南师范大学学报(自然科学版),2016,41(8),138—144)
[5]Mynar J. L.,Aida T.,Nature,2008,451(7181),895—896
[6]Chen T.,Chen R.,Zhong J.,Liu J.,Journal of Materials Chemistry A,2015,3(18),9510—9516
[7]Zhang H.,Wang P.,Yang J.,Composites Science&Technology,2014,94(4),23—29.
[8]Na X. M.,Gao F.,Zhang L. Y.,Su Z. G.,Ma G. H.,ACS Macro Letters,2016,1(6),697—700
[9]Rule J.,Brown E.,Sottos N.,White S.,Moore J.,Advanced Materials,2010,17(2),205—208
[10]Qiao L.,Xue Y.,Zhang Q.,Journal of Materials Science,2017,53(2),1—14
[11]Gergely R. C. R.,Cruz W. A. S.,Krull B. P.,Pruitt E. L.,Wang J.,Sottos N. R.,White S. R.,Advanced Functional Materials,2018,(28),1704197
[12]Postiglione G.,Alberini M.,Leigh S.,Levi M.,Turri S.,ACS Applied Materials&Interfaces,2017,9(16),14371—14378
[13]He Y.,Liao S.,Jia H.,Cao Y.,Wang Z.,Wang Y.,Advanced Materials,2015,27(31),4622—4627
[14]Ling J.,Rong M. Z.,Zhang M. Q.,Journal of Materials Chemistry,2011,21(45),18373—18380
[15]Wang S.,Zhang Z.,Chen B.,Shao J.,Guo Z.,Journal of Applied Polymer Science,2018,135(17),46143(1—8)
[16]Herbst F.,Binder W. H.,Self-Healing Polymers via Supramolecular,Wiley-VCH Verlag GmbH&Co. KGa A,Weinheim,2013,273—300
[17]Luan Y. G.,Zhang X. A.,Jiang S. L.,Chen J. H.,Lyu Y. F.,Chinese Journal of Polymer Science,2018,36(5),584—591
[18]Burattini S.,Colquhoun H. M.,Fox J. D.,Friedmann D.,Greenland B. W.,Harris P. J. F.,Hayes W.,Mackayc M. E.,Rowan S. J.,Chemical Communications,2009,6717—6719
[19]Mozhdehi D.,Ayala S.,Cromwell O. R.,Guan Z.,Journal of the American Chemical Society,2014,136(46),16128—16131
[20]Nakahata M.,Takashima Y.,Yamaguchi H.,Harada A.,Nature Communications,2011,2(1),511—517
[21]Zhang M.,Xu D.,Yan X.,Chen J.,Dong S.,Zheng B.,Huang F.,Angewandte Chemie,2012,124(28),7117—7121
[22]Wang Q.,Mynar J. L.,Yoshida M.,Yoshida M.,Lee E.,Lee M.,Okuro K.,Kinbara K.,Aida T.,Nature,2010,463(7279),339—343
[23]Zhang D. L.,Ju X.,Li L. H.,Kang Y.,Gong X. L.,Li B. J.,Zhang S.,Chemical Communications,2015,51(29),6377—6380
[24]Hoogenboom R.,Angewandte Chemie International Edition,2012,51(48),11942—11944
[25]Wietor J. L.,Sijbesma R. P.,Angewandte Chemie International Edition,2008,47(43),8161—8163
[26]Cordier P.,Tournilhac F.,SouliéZiakovic C.,Leibler L.,Nature,2008,451(7181),977—980
[27]Wang R. Y.,Design,Synthesis and Properties of Novel Functional Compounds Containing Squaraines,Fuzhou University,Fuzhou,2010(王如勇.新型含方酸菁单体功能化合物的设计、合成与性质研究,福州:福州大学,2010)
[28]Wu Y.,Zuo F.,Zheng Z.,Ding X.,Peng Y.,Nanoscale Research Letters,2009,4(7),738—747
[29]Luo C. Y.,Electrical Manufacturing,2006,(1),63—64(罗传勇.电气制造,2006,(1),63—64)
[30]General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China, Standardization Administration of the People's Republic of China GB/T 1692-2008,Vulcanized Rubber-Determination of Insulation Resistivity,Standards Press of China,Beijing(中华人民共和国国家质量监督检验检总局,中国国家标准化管理委员会GB/T 1692-2008,硫化橡胶绝缘电阻率的测定,北京:中国标准出版社)
[31]General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China, Standardization Administration of the People's Republic of China,GB/T 1408. 1-2006,Test Methods for the Electrical Strength of Insulating Materials,Part 1:Under Frequency Test,Standards Press of China,Beijing(中华人民共和国国家质量监督检验检疫总局,中国国家标准化管理委员会,GB/T 1408.1-2006,绝缘材料电气强度试验方法第1部分:工频下试验,北京:中国标准出版社)
[32]General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China, Standardization Administration of the People's Republic of China,GB/T 1408. 2-2006,Test Methods for the Electrical Strength of Insulating Materials,Part 2:Application of DC Voltage Test,Standards Press of China,Beijing(中华人民共和国国家质量监督检验检疫总局,中国国家标准化管理委员会,GB/T 1408.2-2006,绝缘材料电气强度试验方法第2部分:对应用直流电压试,北京:中国标准出版社)