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Polyimines from terephthalaidehyde and aliphatic diamines

4. Copolymers with odd numbers of methylene units in the flexible spacer

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Summary

A series of liquid crystalline copolyimines based on terephthalaldehyde, 1,7-diaminoheptane and 1,9-diaminononane is synthesized. Both melting and isotropization temperatures of the copolyimines are depressed compared to homopolymers P17 and P19. The copolyimines show wider liquid crystalline temperature ranges than the parent homopolyimines.

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Authors and Affiliations

  1. Department of Chemistry, Queen's University, K7L 3N6, Kingston, Ontario, Canada

    Haixin Yang & Almeria Natansohn

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  1. Haixin Yang
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  2. Almeria Natansohn
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Yang, H., Natansohn, A. Polyimines from terephthalaidehyde and aliphatic diamines. Polymer Bulletin 29, 159–164 (1992). https://doi.org/10.1007/BF00558051

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  • DOI: https://doi.org/10.1007/BF00558051

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