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2016 / ȣ: V.28,no.2,Jun |
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Anthraquinone ϴ ű Phthaloperinone ռ
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Synthesis and Properties of New Phthaloperinone Dyes containing
Anthraquinone Moiety |
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, Ǽ1, 1, 輺1 |
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Kun Jun, Seon Yeong Gwon1, Yu Jin Kim1 and Sung Hoon Kim1* |
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ѱȭп ȭа, 1ϴб ý۰а |
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Korea Research Institute of Chemical Technology, 1Kyungpook National University |
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57 ~ 62 : 6 |
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Korean |
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Abstract We have synthesized five novel phthaloperinone dyes via a condensation reaction
to be applied as yellow colorants for liquid crystal display(LCD) color filters. The
reaction between 1,8-naphthalic anhydride(1a), 4-chloro-1,8-naphthalic anhydride(1b),
4-bromo-1,8-naphthalic anhydride(1c), 3-nitro-1,8-naphthalic anhydride(1d), 4-nitro-
1,8-naphthalic anhydride(1e) and 1,2-diaminoanthraquinone(2) proceeded readily giving
a product in 72-88% yields. The synthesized dyes were characterized by UV-Vis, mass
spectrometry and elemental analysis. The spectral properties and thermal stability of the
dyes were examined. The dyes absorb at around 400-450nm. All five dyes showed satisfactory
thermal stability: the dyes retain 99-100% of its original weight at 300, 98-
100% at 350, 92-98% at 400, and 84-92% at 450. We have quantitatively
evaluated the reaction mechanism and reactivity of dye molecules by means of Pariser-
Parr-Pople Molecular Orbital Method(PPP-MO). |
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Keywords phthaloperinone, dyes, 1,8-naphthalic anhydride, 1,2-diaminoanthraquinone,
TGA analysis, LCD color filter, Pariser-Parr-Pople Molecular Orbital Method(PPP-MO) |
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http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2016_v28n2_57&ordernum= |
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