聚丁二酸丁二醇(PBS)合成工艺的研究-(1)

1、__(PBS)2008375(PBS)(7l0021)PBS3PBS4h75510418781TQ32343A10019456(2008)05001l03TheSyntheticTechnologyofPoly(butylenesuccinate)ZHANGChang-huiZHAOXiaZHANGMin(ShaanxiUniversityofScienceTechnologyXiShaanxi710021China)AbstractInordertoinvestigatethesynthesisofPoly(butylenesuccinate)(PBS)screeningofcatalystforpolymerizationreactionwasusedfirstlyandthenbiodegradablematerialPoly(butylenessuccinate)wassynthesizedthroughmeltpolycondensationsolutionpolycondensationandsolutionpolycondensationcombinedwithmelt。

2、polycondensationTheeffectofthreesynthesistechnologiesPBSwascomparedTheresultshowedthatbyusingsolutionpolycondensationcombinedwithmeltpolycondensationandusingbiscatalystcouldreducethereactiontimeto4hoursandthepoly(butylenesuccinate)(PBS)withanumberaveragemolecularweigIlt(Mn)of755104andthedistributionWaSabout18781KeywordsPBSbiscatalystsolutionpolycondensationcombinedwithmeltpolycondensationPCLPHBPHAPBS13PBSPBS]3PBS3111(AS)(BD)(P'IS)[Ti(iOPr)][Sn(Oct)](MgHPO)[BF(CH)O][Zn(OAe)](732)1212101tool011too。

3、l250mL1401h2301kPa2302008033l(50673056)(K03099)(1962)2008375T--(PBS)TPBSPBS5023023hPBSIPBS212201tool011moL50mL250mL1401h230oC230PBS5023023hPBS3PBs412301mol01lmol50mL250mL1401h2301kPa230PBSPBS5023023hPBS5PBS6131HNMRBrukerAVAVCF300MHzCDCIFTIRBrukerEQUINX55KBrWaters515-24142gL08mLmin40221PBSPBSHO-(-CH240H+HOOC--CH23-2cooHHocH2400C-CH23-2COOH+H20jcH400C-CH22coo+H201402002201mol011mol50mL250mL1402h2h200oC2h2002h1PTS140Ti(iOPr)200231403PBSlPBS212(MM)PBS5PBS61140230oCH32140lh20mL140140__(PBS)2008375140。

4、19021401h230PBS5PBS6241(a)(b)PBS-6PBS-41(a)1717cm1148cm30003600cm1PBSlPBS2PBS5PB561(b)30003600cm1(-)PBS6(b)PBS41PBS2PBS6=409(t4HCH20CO)=26(t4HOCOCH2)6=159(m4HC}12CH2Cll2C}12)l11PBS(c)(a)jII1MlI65432lO62PBS62523023hPBS5PBS6PBSIPBS2PBS3PBS4PBS5PBs61GPCPBSGPCPBS6PBS3PBS4PBSlPBS2PBS5PBS6PBS20312h57lO'PBS1PBS34h755104PBSPBS[I]GeorgeZPapageorgiouDinitriNBikiarisCrystallizationandmeltingbehavier0fthreebiodegradably(alkyleneSUCcilIates)Acomparativestudy(J]Polyme2005461208112092(43)132008375[1][J]200214(。

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