硬泡用蔗糖型聚醚多元醇的合成研究-李兆星

(255028):,,,PO,,:;;;,,,[1],,,11.1,,();,0.280.90mm,;PO,,;,,1.25L,N235;KOH,1h;,(1102),,0.3MPa0.050.1MPa3h,1.3,:24h,:50mL,24h,,22.1,,,PO,,,8090,PO,PO90120,PO,,8090,,,DD260,104POLYURETHANEINDUSTRY20072212007.Vo1.22No.11DD260/809090100100110110120,,,/mPas6180582051404870()()(():DD260(45510)mgKOH/g,f4.45,550,60008000mPas(25)1,PO8090,;,,;,2.2PO,PO,,PO,PO,,;PO,PO,,PO,,,DD260PO1;PO211;221PO2POPO12,(25)/mPas60805520()()2,,PO,2.3PO,,,,,;,,,DD260,,33,,(25)/mPas568059206100()()():1.0.280.90mm70%;2.0.280.90mm70%80%;3.0.280.90mm85%90%3,2.4,141,PO,,,809012h,,PO,3(1)8090,PO(2)POPOPO;PO(3)PO(4)809012h,,PO1,.(2).:,1987.1822006-08-212007-01-10ResearchonSynthesisofaSucrose2ContainingPolyetherPolyolforPURLiZhaoxingLiFuliangSunXiaoai(ShandongDongdaChemicalCo.Ltd,Zibo255028)Abstract:Asucrose2containingpolyetherpolyolforRFPUwassynthesizedfromsucrose,glycerolandoxypro2pane.Theeffectsofreactiontemperature,feedingrateandqualityofrawmaterialsonsynthesisofthepolyetherpolyolwerediscussed.Methodsofincreasingreactionextentofthesucrosewereputforward.Theresultsshowedthatchoosingappropriateinitialpolymerizationtemperature,feedingrateofPO,reducingparticlediameterofsu2croseandincreasingfusingtimeofsucrosewouldreducetheremainingofsucroseinthepolyetherpolyolandthequalityofthesynthesizedsucrose2containingpolyetherpolyolwouldbeimproved.Keywords:sucrose;polyetherpolyol;synthesis;effectingfactor,1957,,2422