聚氨酯生产的模塑方法

,,(,450061)::;;;;Abstract:Thispaperintroducesthemould2plasticsmethodofmakingthevehiclepolyurethaneseatcushionandtheeffectoftheseatcushionfoamdensityontheusingperformance.Keywords:Vehicle;Seatcushion;Mould2plastic;Foamdencity;Holedensity:TQ320166:B:100623331(2003)03200292022001,,,,,111170,TDI(),,,,,1()1Desmophen3900100(35)22113Dabco33LV01121,422(2,2,2)401155()1106TDI80ö20417TDI100,,,,,DowChemical()XF23010,,,1,221(kgöm3)48225%(kPa)41551165%(kPa)716819kgö01032m25(kPa)651796(%)250300775%(%)8108(%)3511260,TDIöPAPI(ö),MDI(),TDI(),,,,,,MDI(),,34253BUSTECHNOLOGYANDRESEARCHVol125No132003©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3()1NiaxPolyolxj248100221431104NiaxA2101092(22)5siliconeL25307014601157TDI80ö2011041(kgöm3)2833225%(kPa)101665%(kPa)2514kgö01032m25(kPa)806(%)160775%(%)48(%)6325,65TDI()TDI()TDIöPAPI(ö)MDI()333333333333333333333333;3;36TDI()TDI()TDIöPAPI(ö)MDI()(mgkohög)56283429342834(C)3045556053585056(C)150200608060806080(min)1520463634(kgöm3)25453055355545603,,,,,,,,,,4,(),,,,,,,,,,DowCorning()Xz25249,,,:20022012173025©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.