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ID:33083022
大小:5.28 MB
页数:64页
时间:2019-02-20
《具有线环膦腈结构的新型无卤阻燃环氧功能高分子的合成、表征与性能分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
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4、Velcyclolinearphosphazene—based印oxyresinwasdesignedf.orhalogen—f}eenameretardancyandsynthesizedthroughaf.our—stepsyntheticroute.Thechemicalstructuresofa11thecyclicphosphazen印recursorsandthe行nalobjectiVeproductwereconfimledby1Hand31PNMRspectroscopy,elementalanal
5、ysis,andFouriertransfominfraredspectroscopy.ThecuringbehaViorsofthisepoxyresinwithmethyltetrahydrophthalicanhydride,4,4’一diaminodiphenylmethane,andnoV01akashardenerswereinVestigatedbydifferentialscanningcalorimet巧(DSC),andtheirheatresistanceandthermalstabilitie
6、swerealsoeValuatedbyDSCandthemlograVimetricanalysis.ThesethemosetsachieVedahighthemalresistanceduetotheirhighglasstransitiontemperaturesmorethan15OoC,andalsogainedgoodthennalstabilitieswithhighcharyields.Thenammabilitych撇cteristicsofthecycl01inearphosphazene—ba
7、sedepoxythemlosetscuredwiththesethreehardenerswerestudiedonthebasisoftheresultsobtainedf}omIII北京化工大学硕士研究生学位论文thelimitingoxygenindex(LOI)andUL一94Verticalbumingexperimentsaswellastheanalysisoftheresidualcharsc011ected仔omtheUL一94test.ThehighLOIValuesandUL一94V二Ocla
8、ssificationofthese印oxythermosetsindicatethattheinco叩orationofphosphazeneringsintothebackbonechainimpartsI】。onnammab订itytotheepoxyresino、^五ngtotheuniquecombinationofphosphomsandnitrogenf0110wingbyasyne唱isticeffectonflameretardancy.The印oxyresinobtamdinthisstudyis
9、agreen如nctionalp01ymerandwillbecomeapotentialcandidatef.orfire—andheat—resistantapplicationsinelectronicandmicroelectronic矗eldswithmoresafetyandexcellentperfomance.KEYWoRDS:cyclolinear,Hexachlorocyclotriphosphazene,epoxyresin,curingdynamics,nameretardancy目录第一章绪
10、论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。11.1环氧树脂的概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一11.2无卤阻燃环氧树脂的研究⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一41.2_1无卤阻燃剂的分类⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯41.2.2.氮系阻燃环氧树脂⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯41.2.
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