目录摘要.........................................................1Abstract.....................................................2内容提要.....................................................4第一章聚苯醚-聚氟硅氧烷光交联阻尼材料的设计选题及构思.......5第二章背景资料和考察调研....................................6第三章聚苯醚-聚氟硅氧烷光交联阻尼材料设计目标及可行性分析...73.1设计聚苯醚-聚氟硅氧烷光交联阻尼材料的目标...............73.2可行性分析..............................................7第四章设计实践讨论..........................................94.1方案设计................................................94.1.1原料选择............................................94.1.2APPO的合成.........................................104.1.3光交联薄膜的制备...................................114.2结构表征与性能测试.....................................114.3结果与讨论.............................................124.3.1APPO的结构表征.....................................124.3.2光交联薄膜的动态力学分析............................144.3.3光交联薄膜的表面形貌分析...........................164.3.4光交联薄膜的热失重分析.............................174.3.5光交联薄膜的阻燃性能...............................19第五章总结.................................................21参考文献....................................................22致谢........................................................25摘要采用快速节能的方法,研制耐高温、宽温域的阻尼材料依然是一个有重大意义的挑战。本文首次采用“硫醇-烯”光点击反应,制备了基于烯丙基聚苯醚(APPO)和乙烯基氟硅橡胶(FSR)的光交联阻尼薄膜(FAPPO)。采用傅里叶变换红外光谱(FTIR)分析、核磁共振分析(NMR)、热重分析法(TGA)、动态力学分析法(DMA)、冷场发射扫描电镜(SEM)和微型量热仪(MCC)等方法对新型光交联薄膜进行了结构测试与性能表征,并系统地分析了体系的组成对材料的结构和阻尼性能、热稳定性以及相结构的影响及其机理。结果表明,三种FAPPO薄膜都具有耐高温、宽温域的性能特点,其中10FAPPO具有最佳的阻尼性能,其有效阻尼温域达到78(141~219℃),损耗因子为0.78。关键词:阻尼材料,耐高温,宽温域,光交联,聚苯醚。作者:陈佳楠指导老师:梁国正(教授)AbstractThedevelopmentofdampingmaterialswithhightemperatureresistanceandwideeffectivedampingtemperaturerange(ΔT)byusingfastandenergy-savingmethodsisstillasignificantchallenge.Thisarticleuses"thiol-ene"lightclickreactiontosynthesizetheallylpolyphenyleneether(APPO),reactwithvinylfluoridesiliconerubber(FSR),trimethylolpropanetris(3-mercaptopropionate)(TMPTMP)undertheeffectofultravioletlighttoprepareanewtypeoflightcrosslinkingfilm(FAPPO).UsingFouriertransforminfraredspectroscopy(FTIR),nuclearmagneticresonance(NMR),thermogravimetricanalysis(TGA),dynamicmechanicalanalysis(DMA),coldfieldemissionscanningelectronmicroscopy(SEM)andmicrocalorimeter(MCC)totestthestructureandtheperformanceofthenewtypeoflight-crosslinkingfilms,andtheinfluenceofthecompositiononthedampingproperties,thermalstability,andphasestructureofthefilmsweresystematicallyanalyzed,aswellastheirmechanisms.ResultsshowthatthethreeFAPPOfilmshavetheperformanceofhightemperatureresistanceandwideΔT.Amongthem,the10FAPPOhasthebestdampingperformance,itsΔTandtanδis78(141℃~219)and0.78respectively.℃Keywords:Dampingmaterials,hightemperatureresistance,widetemperaturerange,photo-crosslinking,polyphenyleneoxideAuthor:JiananChenSupervisor:GuozhengLiang(Prof.)内容提要现代社会中,噪声和不良振动已...