1、二丙基次膦酸鋁／三聚氰胺及其鹽／納米氫氧化鎂對(duì)尼龍6的阻燃作用研究學(xué)位論文完成日期：指導(dǎo)教師簽字：答辯委員會(huì)成員簽字：2014年4月10號(hào)青島科技大學(xué)研究生學(xué)位論文SYNERGISTICFLAMERETARDANCYOFALUMINIUMDIPROPYLPHOSPHINATE／M匣LAMINEANDITSSALTS烈ANOMETERMAGNESIUMHYDROXIDEINPOLYAMID6ABSTRACTAlkylphosphinate

2、sareanewkindofgreenflameretardantCommercializedalkylphosphinateismainlyaluminiumdiethylphosphinate，butitsproductionisverydifficultformainmaterial—ethylenewithverylowboilingpointof1037℃，SOthatitsliquefaction，storage，trans

3、portionareinconvenientHowever，propylenewithahigherboilingpointof474℃isconvenienttoliquefactionstorage、transportion，SOthataluminiumdipropylphosphinate(ADPP)isrelativelyeasyforsynthesisandindustrialproductionHowevertherese

4、archonADPPiSveryseidomThereforethestudyonitiSverymeaningfulforthedevelopmentofalkylphosphinateflameretardantsTheflameretardancyofADPPanditscombinationsinpolyamide6(PA61wasstudiedinthisworkTheresultsshowedthatADPPhadgoodf

5、lameretardancyinPA6WhentheloadingofADPPwasl5研％basedonthetotalweightofthecompositetheLOIoftheflameretarded(FR)PA6was307％，andtheverticalbumingmeetV0accordingtotheUL94standard，andthepeakheatreleaserate(PHRR)averageheatrelea

6、serate(MHI汛)averagemasslOSSrate(MMLR)‘wassignificantlydecreasedjbuttotalheat一一releaseandaverageeffectiveheatofcombustion(MEHC)increasedslightly：TherewasobvioussynergisticflameretardancybetweenADPPandMEAstheweightratiosof

7、ADPPtoMeWas75：25andtheloadingofthecombinationwas10Ⅲ％theLOIWas309％andtheV0couldbeachievedComparedwithFRPA6onlywithADPPcompletecombustiontimewasincreasedsignificantlywhichsuggestedslowercombustionPHRRwasdecreasedsignifican

8、tly；AstheweightratiosofADPPtoMCAwas85：15andtheloadingofthecombinationwas15wt％，theLOIcouldbeupto313％andV0couldbeachievedComparedwiththeFRPA6withonlyADPPtheHRR，THR，MLR，PHRR，MHRR，PEHCandMEHCofthemhadnosignificantdifference，

9、butcombustionslower，whichconfirmedthattherewasnotobvioussynergisticflameretardancybetweenADPPandMC：AinPA6TherewasnosynergisticflameretardancybetweenADPPandMPPinPA6ThematerialscontainingadditiveADPP／lvIPPof15、礬％(theweight