聚乙烯蒙脱土纳米复合材料的制备和表征

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1、疆数渡台聪工韭丈掌鞭士举靛论文聚乙烯，蒙脱士纳米复食材料熬制餐鞠表缓耩要聚合耱，蒙驻主纳聚复龠糖辩融予英挽髯躺缝黪飘零i怒了骚究喾粕豹广泛关注。零文熬麓聚己烯俸为萋榜，戚功瓣嫠孀髂融糖瑟法裁备了聚忍烯，蒙麓主链米凝会耱辩，掰逡爝聚乙烯势羽燕：赢密渡聚乙烯移交联浆己烯。鼯予裔密麇聚忍烯，采用_

2、；差下游种愚爨逶符：(1)对聚己烯蓠先疆行动麓纯改魏，使聚乙烯分警镳上羧棱上不鬻豹极链鏊翟，将浚缝嚣熬聚乙烯褥霹露飘蒙耪主蠢攘撩融复含，戚功瓣露l器7蒙纛烯，蒙黢圭霸米菱念耪精，并考察≯接校裂聚乙爆芰链上綦鬻熬苓瓣对簸终播瀑效聚

3、瓣影舔；(2)滚翅键缮鹣按接黪穆为穗攀；}l

4、，将聚己烯，搂技黪，骞瓿蘩麓圭三纛熔歉复窘，邀鼙戳穆爨聚匕爝，蒙黢主霸岽爱台毒

5、料，势霹逡建芩露戆羧技憋器瓷穗褰裁以及笈会黢净瓣最终疆晷效莱黪影豌熬辍努耩。露瓣予交联聚我燧，熊首先逶邀巍逮混台熬方袋将夺努予攀髂黟簪

6、发粼受载裂蠢辍蒙黢±瓣表嚣嚣凄鞫，瓣爨翱簿豹二次敬热蘩鼷±鬻交联聚乙燎塞接爝融复囊，成功鲍露《备了交联聚乙矮蒙越主绫岽复会誊害辩。傻建XRD窝TEM对露l鼹鹣笈会楗秘攥爱效暴鸯霾驭分辑，著对复会材料豹力学J黢能舷戥考察，憨懿来说，其力学镶鼹黛识不夫。艇是，TG

7、A秘DSC分凝结暴擞示；聚7-,蝾，蒙缓±纳寒餐会枣葶籽摆对予筑聚苏爝来瀵，热稳定褴畜较大摄度艇寒，霹慰，复食誊孝料的续照速度媳稍霄蠼趣。关键镯：聚五烯，蒙聪士，纳米复合材糕，熔融搔趱垒!墼!篓塾堡垒!!三些查兰堡考兰竺堡苎Thepreparationandcharacterizationofpolyethylene／montmorillonitenanocompositesAbstractMuchattentionhasbeenputonthepolymer／montmorillonitenanocomposite

8、sowingtoitexcellentproperties．Inthisthesis，polyethylenewaschoseanditsnanocompositeshadbeenpreparedsuccessfullyviameltintercalation．Twokindsofpolyethylenewerechose，whichincluded：high-densitypolyethyleneanderosslinkingpolyethylene．二Astothehigh·densitypolyethylene

9、，twostrategieswereperformed：(1)Afterbeingmodifiedbygraftingpolargroupsonitsbackbone，polyethyleneandorganicmontmofilloniteWeremeltmixeddirectly,whichcouldobtalnthepolyethylene／montmorillonitenanocomposites．TheeffectofgroupsgraftedOllthebackboneOiltheefficiencyof

10、intercalationwasinvestigatedinthispaper；(2)choosingthegraftersobtainedinthisexperimentasthecompatilizers，polyethylene／montmorillonitenanocompositeshadalsobeenpreparedbymeltmixingthepolyethylene，grafterandorganicmontmodllonite．Thedifferenceofgraftersandsequenceo

11、fmixingontheintercalationresulthadalsobeellanalyzed．Astothecrosslinkingpolyethylene，organicmontmorilloniteWasfurthermodifiedbyattachthemonomersonthesurfaceandinterlayerofmontmorilfoniteinthewayofmirSllgatahighspeed．Aftertheformerprocedure，thecmsslinkingpolyethy

12、lene／montmorillonitenanocompositeshadbeeneasilyobtainedbymeltmixingcrosslinkingpolyethyleneandthemodifiedmontmorillonitedirectly．XRDandTEMwereemployedtoinvestigatetheinterca