CHARACTERIZATION AND THERMAL STABILITY OF PMR POLYIMIDES USING 7-OXA-BICYCLO[2,2,l]HEPT-5-ENE-2,3-DICARBOXYLIC ANHYDRIDE AS END CAPS |
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| Authors: | Chen-liang Gonga Yan-feng Li Hai-xia Yang Xiao-long Wanga Shu-jiang Zhanga Shi-yong Yang a State Key Laboratory of Applied Organic Chemistry College of Chemistry Chemical Engineering Lanzhou University Lanzhou China b The Laboratory of Advanced Polymer Materials |
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| Institution: | Chen-liang Gong~a,Yan-feng Li~(a**),Hai-xia Yang~(a,b),Xiao-long Wang~a,Shu-jiang Zhang~a and Shi-yong Yang~(a,b) a State Key Laboratory of Applied Organic Chemistry,College of Chemistry and Chemical Engineering,Lanzhou University,Lanzhou 730000,China,b The Laboratory of Advanced Polymer Materials,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100190 |
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| Abstract: | An anhydride monomer containing ether oxide bridge,7-oxa-bicyclo2,2,1]hept-5-ene-2,3-dicarboxylic anhydride (ONA),was successfully synthesized by Diels-Alder reaction of furan and maleic anhydride.The ONA was also studied as an end-cap for the polymerization of monomer reactant(PMR) type polyimides.Three molecular weight levels of the ONA end-capped PMR resins were evaluated.The effects of process conditions of these novel PMR resins on thermal and mechanical properties were investigated.It was demonstrate... |
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| Keywords: | Polyimide End-cap PMR matrix resin Thermal stability |
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