Facile synthesis and characterization of a wholly aromatic poly(1,5-diaminoanthraquinone) by an oxidative polymerization，2005年新型纤维与聚合物材料国际学术会议（10.19-10.21，上海）-中国聚合物网,论文下载 -亚博体育

Facile synthesis and characterization of a wholly aromatic poly(1,5-diaminoanthraquinone) by an oxidative polymerization

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poly(1 5-diaminoanthraquinone) chemically oxidative polymerization wholly aromatic
polymers

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383K

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分子表征

来源：

2005年新型纤维与聚合物材料国际学术会议（10.19-10.21，上海）

简介：

Awhollyaromaticpoly(1,5-diaminoanthraquinone)(PDAAQ)wassynthesizedbyachemicallyoxidativepolymerizationof1,5-diaminoanthraquinone(DAAQ)usingCrO3,K2Cr2O7,KCrO4,and,KMnO4asoxidantsundervariouspolymerizationconditionsforthefirsttime.Fineanduniformpolymerparticlesofseveralmicrometers,determinedbylaserparticle-sizeanalyzer,wereobtainedsimply.Thepolymerizationyield,electroconductivity,solubility,thermaltransition,andthermostabilityofthepolymersweresystematicallystudiedbychangingtheoxidizingagent,polymerizationtemperature,monomer/oxidantratio,andacidconcentration.FT-IRandNMRspectraofpolymersrevealthattheDAAQispolymerizedmainlyat1,4and5,8positionsbyahead-to-tailbondingmanner.Thewide-angleX-raydiffractionsuggeststhatthepolymersareamorphousstructure.ThemacromolecularstructureoftheresultingpolymerswaswhollycharacterizedbyIR,UV-vis,solid-statehigh-resolution13CNMR.Theresultsshowthattypicalpolymeryieldsandelectroconductivitiesarebetween21.4-79.5%byweight,and2.7110-9-5.5410-6S/cmbeforedoped,respectively.Allpolymersshowanextremelyhighchemicalresistanceinmanysolvents,buttheyaremoresolubleinpolarsolventssuchasH2SO4,NMP,DMSO；andtheirsolubilityinsolventsdependssignificantlyonthepolymerizationconditions.DSCandTGAanalysesindicatethatthepolymersexhibitahighthermalstability.

作者：

Hu Li Mei-Rong Huang Xin-Gui Li

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2007-08-14 16:23:20

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