Structure effect on mechanical and thermal properties in aromatic copolyamides with phenyl substituents
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DOI: 10.1007/s10965-019-1900-8
Abstract: Six aromatic copolyamides contanining phenyl groups were synthesized and characterized. The concentrations of the para-linked phenyl groups and meta-linked phenyl groups were varied systematically on the copolymers general structure to obtain a set of random… read more here.
Keywords: linked phenyl; phenyl groups; effect; structure effect ... See more keywords
Quick analysis of composition of semi-aromatic copolyamide via 13C NMR study
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DOI: 10.1080/1023666x.2018.1514708
Abstract: Abstract Standard high resolution 13C NMR spectra of PA10T, PA6T, PA106, and PA66 were obtained by a nonacidic solvent mixture of HFIP and CDCl3. Several chemical shifts were found extremely sensitive to the polyamide type.… read more here.
Keywords: 13c nmr; copolyamide; analysis; composition ... See more keywords