Journal ArticleDOI
Aromatic-aliphatic azomethine ether polymers and fibers
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In this article, trois series de polymeres thermotropes, filables par fusion contenant deux, trois ou quatre cycles aromatiques lies a lazomethine, par reaction du bis(formyl-4 phenoxy)-1,2 ethane, terephtalaldehyde ou biphenyldicarboxaldehyde avec des bis(amino-4 methyl-3 phenoxy)1,n alcane (n=1-10, 12, 14 et 16)Abstract:
Preparation de trois series de polymeres thermotropes, filables par fusion contenant deux, trois ou quatre cycles aromatiques lies a l'azomethine, par reaction du bis(formyl-4 phenoxy)-1,2 ethane, terephtalaldehyde ou biphenyldicarboxaldehyde avec des bis(amino-4 methyl-3 phenoxy)-1,n alcane (n=1-10, 12, 14 et 16)read more
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A high-performance aromatic polyimide fibre: 1. Structure, properties and mechanical-history dependence
TL;DR: A segmented rigid-rod polyimide has been synthesized from 3,3′,4,4′-biphenyltetracarboxylic dianhydride (BPDA) and 2,2′-bis(trifluoromethyl)-4, 4′-diaminobiphenyl (PFMB) as discussed by the authors.
Journal ArticleDOI
Adapting N-heterocyclic carbene/azide coupling chemistry for polymer synthesis: enabling access to aromatic polytriazenes.
Daniel J. Coady,Dimitri M. Khramov,Brent C. Norris,Andrew G. Tennyson,Christopher W. Bielawski +4 more
TL;DR: This adaptation of N-heterocyclic carbene (NHC)/azide coupling chemistry to polymer synthesis reveals the potential of NHCs as building blocks for accessing polymers having useful electronic properties.
Journal ArticleDOI
Novel poly-Schiff bases containing 4,4′-diamino-triphenylamine as hole transport material for organic electronic device
TL;DR: In this article, two functional conjugated poly-Schiff bases containing triphenylamine and dialdehydes were synthesized by condensation polymerization of 4,4′-biamine Triphenylamines and dial dehydes in solution, which having conjugation throughout the molecule chain are soluble in both polar and nonpolar solvents, and the optical, electrochemical properties were studied by the UV-visible spectrum, photoluminescence (PL) spectrum and cyclic voltammetry(CV) technology.
Journal ArticleDOI
Main Chain Polymers Containing Banana-Shaped Mesogens: Synthesis and Mesomorphic Properties
E-Joon Choi,Jae-Chul Ahn,Liang-Chy Chien,Chong-Kwang Lee,Wang-Cheol Zin,Dae-Cheol Kim,Sung-Tae Shin +6 more
TL;DR: In this article, twelve azomethine polymers containing a banana-shaped mesogen as a repeating unit have been synthesized by polycondensation, and their mesomorphic properties were studied.
Journal ArticleDOI
Liquid crystalline twin epoxy monomers based on azomethine mesogen: synthesis and curing with aromatic diamines
TL;DR: In this article, liquid crystalline (LC) epoxy monomers with twin mesogenic azomethines connected by different alkylene spacers (x=6, 7, 8, and 9) were synthesized to prepare LC thermosets.
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