微胶囊红磷的制备及其阻燃环氧树脂的性能研究.pdf

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1、86第4O卷，第8期工程塑料应用Vo1．40，No82叭2年8月ENG1NEERINGPLASTICSAPPLICATIONAug．2012doi：lO．3969~．issn．1001-3539．2012．08．020微胶囊红磷的制备及其阻燃环氧树脂的性能研究洪晓东，孙超，黄金辉，张鸿瑶，梁兵(1．辽宁工程技术大学材料学院，辽宁阜新123000；2．沈阳化工大学材料学院，沈阳110142)摘要：以预先合成的密胺甲醛树脂预聚物为壳，通过原位聚合法制备了微胶囊红磷，采用扫描电镜观察到微胶囊红磷颗粒表面包覆一层网状的壳材料。研究了红磷和微胶囊红

2、磷阻燃环氧树脂(EP)的耐热性能、阻燃性能及力学性能。结果表明，微胶囊红磷阻燃EP的耐热性和质量保持率明显提高，添加质量分数10％的微胶囊红磷的阻燃EP的阻燃性能达到UL94V一0级，其阻燃性能优于红磷阻燃EP。微胶囊红磷阻燃EP的拉伸强度为30_3MPa，冲击强度为11．4kJ／m，分别比相同用量红磷阻燃EP提高了6．0％和21．3％，其冲击强度比纯EP提高了17．5％，表明微胶囊红磷与基体树脂间的相容性大大改善，可显著提高材料的韧性。关键词：微胶囊红磷；环氧树脂；阻燃性能；耐热性能中图分类号：TQ314．24文献标识码：A文章编号：1

3、001．3539(2012)08．0086．04PreparationofMicroencapsulatedRedPhosphorusandPropertiesofFlame—RetardedEpoxyResinHongXiaodong，SunChao，HuangJinhui，ZhangHongyao，LiangBing(1．CollegeofMaterialsScienceandEngineering，LiaoningTechnicalUniversity，Fuxin123000，China；2．CollegeofMaterialsSc

4、ienceandEngineering，ShenyangUniversityofChemicalTechnology，Shenyang110142，China)Abstract：MicroencapsuIatedredphosphorus(MRP)waspreparedbyin-situpolymerizationwithusingmelamine—formaldehydeprepolymersynthesizedbeforehandastheshellmaterials，thephenomenonofthatthesurfacesofM

5、RPparticleswerecoveredwithreticularresinshellmaterialswasobservedbySEM．Theheatresistance，flameretardancyandmechanicalpropertiesofredphosphorusandMRPflame—retardedepoxyresinwerestudiedindetail，theresultsshowedthattheheatresistanceandcharyieldoftheMRPflame—retardedepoxywere

6、improvedobviously，theflameretardencyoftheepoxywiththemassfractionofMRPbeing10％couldreachthelevelofUL94V一0．whichwasbetterthanthatoftheredphosphorusflame—retardedepoxy．thetensilestrengthoftheMRPflame—retardedepoxywas30．3MPa，impactstrengthwas11．4kJ／m，whichimprovedby6．0％and21

7、_3％comparedtothatofredphosphorusflame-retardedepoxywithsameformula，andtheimpactstrengthwashigherthanthatofthepureepoxyfor17．5％，whichshowedthatthecompatibilitybetweenMRPandresinwasimprovedmarkedly，andenhancedthetoughnessofthematerials．Keywords：microencapsulatedredphosphoru

8、s；epoxyresin；flameretardancy；heatresistance环氧树脂(EP)在包装材料、胶粘剂、涂料、航脂的硬度和耐热性等优于脲醛树脂，更适用于对阻空及电子等领域得到