- P-ISSN 1225-0163
- E-ISSN 2288-8985
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
Article Detail
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Solid State NMR Study of PAZO-6 and Related Materials
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1995, v.8 no.4, pp.493-498
Han,
O. H., Jin,
J., Kim,
J., Yoon,
Y., &
Huh,
S.
(1995). Solid State NMR Study of PAZO-6 and Related Materials. , 8(4), 493-498.
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Abstract
PAZO-6 is a new combined type liquid crystalline polymers (LCP) which has two types of mesogens combined non linearly. Ordering of branch mesogen azo group, in PAZO-6 is an important parameter to observe as well as the substitution effect on the backbone. The related small molecules sllch as monomers as well as the polymer itself are studied by solid state NMR techniques. Preliminary <TEX>$^{13}C$</TEX> CP/MAS (cross polarization/ magic angle spinning) spectral results suggest that the azo groups in the monomers are not aligned with themselves. Azo groups in the monomers seem to be poorly ordered between well ordered p-phenylene terephthalate moeities. Similar disordering tendency of the azo group in PAZO-6 is deduced from the overall aromatic carbon peak positions which are not much different from those of the monomer.
- keywords
- Liquid crystalline polymer (LCP), Solid state NMR, Ordering of mesogens in a new combined type LCP
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