Synthesis and properties of poly(amide-imide)s with different microstructures based on trimellitimide and 4,4 '-diphenyl ether

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Poly(amide-imide)s(PAIs) with different microstructures were prepared based on trimellitimide and 4,4'-diphenylether with varying the reaction conditions. The microstructures of PAIs were examined by 500 MHz H-1-NMR spectroscopy. The head-to tail (HT-) PAI showed a sharp peak in WAXD curve, a large shift at around 1670 cm(-1) for -C=O stretching in FT-LR spectra, and poor solubility in organic solvents, high density, Tg, tensile strength and modulus compared to head-to-head (HH-) PAI and copolymers of HT and HH. These results might be due to the higher packing tendency of the HT PAI than HH PAI or copolymers.
Publisher
SPRINGER VERLAG
Issue Date
1999
Language
English
Article Type
Article
Citation

POLYMER BULLETIN, v.42, no.6, pp.661 - 668

ISSN
0170-0839
DOI
10.1007/s002890050516
URI
http://hdl.handle.net/10203/2298
Appears in Collection
CBE-Journal Papers(저널논문)
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