试析粘接金属与陶瓷的耐高温胶粘剂研究

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1、分类号UDC密级——编号鱼致!l!《丝一一学位论文糙接全盾当陶瓷鲍耐高暹膣糙盎』硒宝StudyontheHeatResistantAdhesivesforBonding,MetalstoCeramics指导老师姓名：嫠典越熬援直邑盘堂丕撞越堂皇兰猩堂瞳申请学位级别：王堂亟±专业名称：他堂王翟论文提交日期：2Q竖生§且旦论文答辩日期：2Q堑生曼旦旦学位授予单位和日期：直昌太堂2QQ§生且旦答辩委员会主席：评阅人：2006年月南昌大学硕士学位论文摘要本文旨在研制一种用于工程上粘接金属(铁)和陶瓷(A120

2、3)的非结构耐高温胶粘剂。本文以多官能团的邻甲酚甲醛环氧树脂为基胶，分别从可塑性树脂、无机填料两个方面对其实现增韧改性，采用机械共混方法制备了邻甲酚甲醛环氧树脂．线性酚醛树脂体系、聚酰胺酸改性邻甲酚甲醛环氧树脂一线性酚醛树脂体系胶粘剂，用热分析DSC、TG以及红外手段，并结合胶粘剂力学性能，确定了两类体系的最佳制备工艺。在两类胶系的基础上，研制-j．--种典型性配方，并考察了二种配方对金属(铁)和陶瓷(A1203)平面搭接耐高温粘接强度的性能。经耐热老化实验发现。研制的配方具有较好的耐高温性，对工程用

3、粘接金属与陶瓷的耐高温胶粘剂研究制各有一定的参考价值。关键词：耐高温胶粘齐J邻甲酚甲醛环氧树胆缱蛙酚醛树脂聚酰亚胺南昌大学硕士学位论文AbstractThispaperaimedatdevelopingabeat—resistedadhesivewtfichbondsceramic(A1203)tometal(steel1inengineeringfields．AdhesionformetalandceramicisadifficultproNeminhightemperaturefieldsbeca

4、useoftheirthermalexpansioncoefficients。Inorganicadhesiveisheat-resistedbutthemechanicalperformanceofthelapjointofceramicandmetalispoor．Inorganicadhesives，o-cresolnovolacepoxyresin(ECl唧showsprominentresistancetotheheatandbetteradhesivestrengthbecauseofmo

5、reepoxyfunctionalgroups．Novolacresinshowsbetterplasticinhi醢tempera船recircumstanceandpolyimideif'i)showsbetterresistancetotheheat．Inthispaper,ECNandnovoiacresinsystemwasresearched谤thewaysofTG，DSCandFTIR．Inordertoimprovethetoughnessandresistance协thebeatfu

6、rther,theECNandnovolacresinsystemwasmodifiedbyBanO—Si02andpolyamideacidfPAA)ofPMDAandODA．Andtheexperimentalresultsshowedthattheshearstrengthandthermaldestructiontemperatureofthecuredcompoundmodifiedbyllano—Si02andPAAwerebothimproved．PAAofintrinsicviscos

7、itywithO。43dYgwassuccessfully．synthesizedinTHFandCH30ilmixturesolution．BasedOllECN／novolaesystemandECN／novolaesystemmodifiedbyPAA，twooptimumformulationschoosedtoprepareheat-resistedadhesiveswithfillersoffineSi02powderwereusedto轴ndmetal(steel)andceramic(

8、A1203)．Afterheataging，theadhesivesbothshowedbetterproperties．Theadhesivespreparedwithtwooptimumformulationscallbechoosedtobethebeat·resistedadhesivesforbondingceramic(A1203)tometal(steel)ins0111eengineeringfields．Keywords：heatres