汽车座椅泡沫聚氨酯发泡成型缺陷试验研究

Vol.49No12ENGINEERING&TESTJune2009[]2008-11-20[](1961-),,,:1,2,3,3,4(1.,130025;2.,130033;3.,130025;41,130061):,:,-,,:;;:TQ32016:Bdoi:1013969/j.issn.167423407.2009.02.012TestingStudyontheDefectsofPolyurethaneFoamMoldingofAutomobileSeatZhangHua1,GuanDongbo2,LinLin3,MaHua3,ZhouLeixin4(11SchoolofmanagementJilinUniversity,Changchun130025,Jilin,China;2.ChangchunFawerJohnsonControlsAutomotivesystemsCo.,Ltd,Changchun130033,Jilin,China;31CollegeofMaterialsScienceandEngineering,JilinUniversity,Changchun130025,Jilin,China;41ChangchunFifthMiddleSchool,Changchun130061,Jilin,China)Abstract:Thelackofmouldingquantityandconcavefoamarethetwoimportantdefectsofinflu2encingthequalityofautomobileseatmadebytheflexiblepolyurethanefoam.Thereasonsofpro2ducingthedefectsareanalyzedandthemethodsofdefendingthemarediscussed.Theresultshowsthatthedefectsarerelativewiththedesignformulation,pressure2flowcontrolandrouteofmouldingandsoon.Accordingtothetheoreticalanalysis,optimizingformulationbydecreasingthedosageofwater,theindexofTDI,thecontentofSiliconesurfactant,theregularautomobileseatisproducedultimately.Keywords:automobileseat;polyurethanefoammolding;defectofmolding1,,,,:,CO2;,[1,2,3],,[4],,[5],,,042211(Poly1,Poly2,Poly3,Poly4),(TDI),(),36212,,,55-62,110-130Pa,30Pa7,(,,,,),4,,(1)(2)A113010100450145-01480123-012711311831510023010100420140-01430123-01271121183129633(g)(s)(g/s)TDI(Pa)7201189693171201A3(),,311(1),,,,(2),,,,,,,,,,,,,Singh[7]14No2.2009,:,CO2(DCO2)(D),,[8],,,,,,CO2,,,,2%312,(2),TDI130-140Pa,-,,,,,31344:,,,,,;,233,99%,,44/%2561226514/kg/m35045/kpa77188013/%4195124:-,,[1].[M].:,2002.[2]I.Javni,W.Zhang,V.Karajov,etal.EffectofNano2andMicro2SilicaFillersonPolyurethaneFoamProperities[J].JournalofCellularPlastics,2002,38(3):229-236.(60)24June2009,,,12,18s750mm,8,315mm(9),,,,6,,,,315mm,,[1].AMESim[M].:,2006.[2].[M].:,2000.[3].[M].:,2005.[4]TB/T233122004,[S].[5],,.[J].,1999.(42)[3],,.[J].,2004,7(18):1-4.[4]S.Y.Jang.D.J.Kim.Structureandpropertiesofpoly2urethane2silicananocomposites[J].JournalofAppliedPolymerScience,2001,82(2):276-282.[5]FishbackTL,etal.PolyolCompositionGoodFlowandWaterBlownRigidPolyurethaneFoamsMadeTherebyHavingGoodDimensionalSta2bility[P].US5686500(1997).[6]RalphColafati.WaterBlownFoam[P].US5010116,1991.[7]SinghS.N.,LynchJ.J.,etal.TechniquestoAs2sesstheVariousFactorsAffectingtheLongTermDi2mensionalStabil2ityofRigidPolyurethaneFoam[J].JournalofCellularPlas2tics,1996,6(32):553-578.[8]KellnerJ,EvansD,.[C].2000,102-108.06June2009