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时间:2020-03-27
《阻燃型TOTA–DOPO固化EP制备与性能研究.pdf》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。
1、104第l464卷,1第月l期工程塑料应用VOl44,NOlENGINEERINGPLASTICSAPPLICATIONJan2O16doi:10.3969/j.issn.1001—3539.2016.01.024阻燃型TOTA-DOPO固化EP制备与性能研究毛伟,李守海,杨雪娟。宋健,黄坤,李梅,夏建陵(1.中国林业科学研究院林产化学[业研究所;江苏省生物质能源与材料重点实验室;国家林业局林产化学工程重点开放性实验室生物质化学利用国家工程实验室,南京210042;2.中国林业科学研究院林业新技术研究所,北京100091)摘要:利用桐马酸酐为原料进行水解制得环氧固化
2、交联性更高的桐油三酸(TOTA),再以不同物质的量比的9,lo.二氢_9一氧一10一磷杂菲10一氧化物(DOPO)和TOTA通过Michael加成反应制得TOTA-DOPO,红外光谱和核磁共振分析结果表明目标产物已成功合成;再将制得的阻燃固化剂TOTA—DOPO与E5l环氧树脂(EP)固化后得到一系列刚性固化材料,并对其各项性能进行分析。研究结果表明,固化材料的拉伸强度随着DOPO加成反应量的增加逐渐降低,而其硬度、玻璃化转变温度、阻燃性能则随着DOPO加成反应量的增加逐渐增加;热重分析表明,制得的EP固化材料均具有良好的热稳定性,其热初始分解温度均在34WC以上。
3、关键词:桐油三酸;TOTA—DOPO;力学性能;热分析;阻燃性能中图分类号:TQ322.4+1文献标识码:A文章编号:1001.3539(2016)01.0104.06StudyonPreparationandPropertiesofFlameRetardantTOTA-DOPOCuredEpoxyResinMaowlei,LiShouhai,2YangXuejuan,SongJian,HuangKun’2LiMei,XiaJianling,(1.InstituteofChemicalIndustryofFo~stryProducts,CAF;KeyLabofBio
4、massEnergyandMaterial,JiangsuProvince;NationalEngineeringLabforBiomassChemicalUtilization;KeyandLabO1ForestChemicalEngineering,SFA,Ning210042,China;2.InstituteofForestNewTechnology,CAF,Beijiag100091,China)Abstract:Tungthreeacid(TOTA)possessinghigherepoxycuringcross—linkingperformancewa
5、sfirstlysynthesizedusingtongmethylmaleicanhydrideasrawmaterialviahydrolyzation,andthenTOTA—DOPOwassynthesizedbyaddingdifferentmolarratiosof9,10-dihydro一9一oxa一10-phosphaphenanthren一10一oxide(DOPO)toTOTAviaMichaeladditionreaction;FTIRandH—NMRanalysisresultsshowedthatthetargetproductsweres
6、uccessfullysynthesized:finallytheE51epoxywascuredbypreparedretardantepoxycuringagentTOTA—DOPOandaseriesofrigidcuringepoxymaterialswereobtained,andtheircomprehensivepropertieswerestudied.TheresultsshowedthatthetensilestrengthofcuringmaterialsgraduallydecreasedwiththeincreaseofDoPereacte
7、dcontent,andthehardness,glasstransitiontemperatureandflameretardantperformancegraduallyincreasedwiththeincreaseofDOPOreactant;thermogravimetricanalysisshowedthatallthepreparedcuredepoxymaterialsownedgoodthermalstability,theheatinginitialdecompositiontemperatureswereallabove340℃.Keywo
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