Transparent and organosoluble cardo polyimides with different trans/cis ratios of 1,4‐diaminocyclohexane via aromatic nucleophilic substitution polymerization
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DOI: 10.1002/pi.5556
Abstract: Two series of cardo polyimides with 1,4‐diaminocyclohexane of different trans / cis ratios were synthesized. They exhibited excellent solubility, high glass transition temperature and good transparency. read more here.
Keywords: cardo polyimides; different trans; trans cis; cis ratios ... See more keywords
Optically transparent and organosoluble poly(ether imide)s based on a bis(ether anhydride) with bulky 3,3′,5,5′-tetramethylbiphenyl moiety and various fluorinated bis(ether amine)s
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DOI: 10.1177/0954008316677154
Abstract: Novel optically transparent and organosoluble poly(ether imide)s (PEIs) were prepared from 4,4′-bis(3,4-dicarboxyphenoxy)-3,3′,5,5′-tetramethylbiphenyl dianhydride and various fluorinated bis(ether amine)s via chemical or thermal imidization. The effects of fluorinated groups and the imidization method on the properties… read more here.
Keywords: optically transparent; organosoluble poly; bis ether; bis ... See more keywords