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1、86第4O卷，第8期工程塑料應(yīng)用Vo1．40，No82叭2年8月ENG1NEERINGPLASTICSAPPLICATIONAug．2012doi：lO．3969~．issn．1001-3539．2012．08．020微膠囊紅磷的制備及其阻燃環(huán)氧樹(shù)脂的性能研究洪曉東，孫超，黃金輝，張鴻瑤，梁兵(1．遼寧工程技術(shù)大學(xué)材料學(xué)院，遼寧阜新123000；2．沈陽(yáng)化工大學(xué)材料學(xué)院，沈陽(yáng)110142)摘要：以預(yù)先合成的密胺甲醛樹(shù)脂預(yù)聚物為殼，通過(guò)原位聚合法制備了微膠囊紅磷，采用掃描電鏡觀察到微膠囊紅磷顆粒表面包覆一層網(wǎng)狀的殼材料。研究了紅磷和微膠囊紅
2、磷阻燃環(huán)氧樹(shù)脂(EP)的耐熱性能、阻燃性能及力學(xué)性能。結(jié)果表明，微膠囊紅磷阻燃EP的耐熱性和質(zhì)量保持率明顯提高，添加質(zhì)量分?jǐn)?shù)10％的微膠囊紅磷的阻燃EP的阻燃性能達(dá)到UL94V一0級(jí)，其阻燃性能優(yōu)于紅磷阻燃EP。微膠囊紅磷阻燃EP的拉伸強(qiáng)度為30_3MPa，沖擊強(qiáng)度為11．4kJ／m，分別比相同用量紅磷阻燃EP提高了6．0％和21．3％，其沖擊強(qiáng)度比純EP提高了17．5％，表明微膠囊紅磷與基體樹(shù)脂間的相容性大大改善，可顯著提高材料的韌性。關(guān)鍵詞：微膠囊紅磷；環(huán)氧樹(shù)脂；阻燃性能；耐熱性能中圖分類(lèi)號(hào)：TQ314．24文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1
3、001．3539(2012)08．0086．04PreparationofMicroencapsulatedRedPhosphorusandPropertiesofFlame—RetardedEpoxyResinHongXiaodong，SunChao，HuangJinhui，ZhangHongyao，LiangBing(1．CollegeofMaterialsScienceandEngineering，LiaoningTechnicalUniversity，F(xiàn)uxin123000，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環(huán)氧樹(shù)脂(EP)在包裝材料、膠粘劑、涂料、航脂的硬度和耐熱性等優(yōu)于脲醛樹(shù)脂，更適用于對(duì)阻空及電子等領(lǐng)域得到
