液相色谱-质谱联用技术分析环氧大豆油改性PF结构.pdf

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1、第42卷，第7期工程塑料应用Voll42．No．77l2014年7月ENGINEER1NGPLASTICSAPPLICATIONdoi：lO．3969／j．issn．1001-3539．2014．07．017液相色谱一质谱联用技术分析环氧大豆油改性PF结构赵彦芝，周菊英李浩，于畅[1．广西民族大学化学化工学院，南宁530006；，2．广西林产化学与工程重点实验室，南宁3．建滔积层板(韶关)有限公司，广东韶关512500】摘要：在酸性或碱性催化条件下，先将环氧大豆油与苯酚及双酚A反应，合成环氧大豆油改性酚类产物。然后将该产物与甲醛水溶液反应制备了酸催化或碱催化环氧大豆油

2、改性酚醛树脂(PF)。利用液相色谱一质谱联用技术对合成的环氧大豆油改性酚类产物进行分析，发现在酸性催化条件下苯酚和双酚A均与环氧大豆油发生了反应，在碱性催化条件下双酚A更易与环氧大豆油发生反应。傅立叶变换红外光谱分析结果表明，两种催化条件下合成的环氧大豆油改性酚类产物均可与甲醛反应生成具有体型结构的环氧大豆油改性PF。相对于酸催化环氧大豆油改性PF．碱催化的耐热性更好，拉伸强度更高。关键词：液相色谱一质谱联用技术；酚醛树脂；环氧大豆油中图分类号：0631．1+1文献标识码：A文章编号：1001-3539(2014)07．071．06StructureAnalysiso

3、fEpoxidizedSoybeanOilModifiedPhenolFormaldehydeResinwithLiquidChromatographyassSpectrometryTechnologyZhaoYanzhi，ZhouJuying一，LiHao一，YuChang[1．SchoolofChemistryandEngineering，GuangxiUniversityforNationalities，Nanning530006，China；2．GuangxiLaboratoryofChemicalandEngineeringofForestProduct，N

4、anning530006，China；3．KingboardLaminates(Shaoguan)Limited，Shaoguan512500，China]Abstract：Undertheconditionsofacidcatalysisoralkalinecatalysis，theepoxidizedsoybeanoilmodifiedphenoliccompoundswassynthesizedbyusingepoxidizedsoybeanoiltoreactwithphenolandbisphenolA，thenacidcatalyticoralkaline

5、catalyticepoxidizedsoybeanoilmodifiedphenolformaldehyderesin(PF)waspreparedthroughthereactionofthecompoundsandformaldehydesolution．Thecompoundswereanalyzedbytheliquidphasechromatography-massspectrometrytechnology．Fromtheanalysisresults，itisgainedthatphenolandbisphenolAallreactwithepoxid

6、izedsoybeanoilundertheconditionsofacidcatalysisbutbisphenolAismoreeasytoreactwithepoxidizedsoybeanoilundertheconditionsofalkalinecatalysis．FTIRanalysisresultsshowthatthecompoundssynthesizedunderthetwocatalysisconditionsallcanreactwithformaldehydeforshapingepoxidizedsoybeanoilmodifiedPFw

7、iththebodyconformation．ComparingwithacidcatalyticepoxidizedsoybeanoilmodifiedPF．theheatresistanceofthealkalinecatalyticepoxidizedsoybeanoilmodifiedPFisbeRerandthetensilestrengthishigher．Keywords：liquidchromatography—massspectrometrytechnology；phenolformaldehyderesin；epoxidizeds