Citation:
Shu-jun Liang, Jian-ping Deng, Wan-tai Yang. PREPARATION OF LOW MOLECULAR WEIGHT POLY(GLYCIDYL METHACRYLATE) BY PHOTOPOLYMERIZATION[J]. Chinese Journal of Polymer Science,
2006, 24(5): 489-496.
PREPARATIONOFLOWMOLECULARWEIGHTPOLY(GLYCIDYLMETHACRYLATE)BYPHOTOPOLYMERIZATION
摘要:
Lowmolecularweightpoly(glycidylmethacrylate)s(PGMAs)werepreparedbyphotopolymerizationinethylacetate,withbenzophenone(BP)asphotoinitiator,andtriethylamine(TEA)ashydrogendonor.TheexistenceofsemipinacoldormantendgroupsinPGMAwasconfirmedbyFT-IRand1H-NMR,andthecontentofthesemipinacoldormantgroupswasdeterminedquantitativelyby1H-NMRmeasurement.Theeffectsofvariousfactors,suchasreactiontime,BPconcentrationandmonomerconcentrationonthesynthesisofthepolymerswereinvestigatedsystematically.ThemolecularweightsofthepolymerswerealsoinvestigatedwithGPC.ItisshownthatincreasingBPconcentrationanddecreasingirradiationtimeandmonomerconcentrationledtoasignificantdecreaseofthemolecularweights.
English
PREPARATION OF LOW MOLECULAR WEIGHT POLY(GLYCIDYL METHACRYLATE) BY PHOTOPOLYMERIZATION
Abstract:
Lowmolecularweightpoly(glycidylmethacrylate)s(PGMAs)werepreparedbyphotopolymerizationinethylacetate,withbenzophenone(BP)asphotoinitiator,andtriethylamine(TEA)ashydrogendonor.TheexistenceofsemipinacoldormantendgroupsinPGMAwasconfirmedbyFT-IRand1H-NMR,andthecontentofthesemipinacoldormantgroupswasdeterminedquantitativelyby1H-NMRmeasurement.Theeffectsofvariousfactors,suchasreactiontime,BPconcentrationandmonomerconcentrationonthesynthesisofthepolymerswereinvestigatedsystematically.ThemolecularweightsofthepolymerswerealsoinvestigatedwithGPC.ItisshownthatincreasingBPconcentrationanddecreasingirradiationtimeandmonomerconcentrationledtoasignificantdecreaseofthemolecularweights.
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