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GAS PERMEABILITY AND PERMSELECTIVITY OF HQDEA-MDA MODIFIED BY RIGID AROMATIC DIANHYDRIDE |
LI Yuesheng;DING Mengxian;ZHANG Jin;XU Jiping(Changchun Institute of Applied Chemistry;Chinese Academy of Sciences) |
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Cite this article:
LI Yuesheng;DING Mengxian;ZHANG Jin;XU Jiping(Changchun Institute of Applied Chemistry;Chinese Academy of Sciences). GAS PERMEABILITY AND PERMSELECTIVITY OF HQDEA-MDA MODIFIED BY RIGID AROMATIC DIANHYDRIDE. Chin J Mater Res, 1993, 7(6): 531-535.
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Abstract Gas permeabilities and permselectivities for gas pairs H_2/N_2 and O_2/N_2through a series of aromatic copolyetherimides,which were prepared from four differentdianhydrides(HQDEA,PMDA,BPDA,and BTDA)and 4.4'-methylenedianiline(MDA),have been investigated a
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Received: 25 December 1993
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