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KMID : 1059519960400030209
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Journal of the Korean Chemical Society
1996 Volume.40 No. 3 p.209 ~ p.215
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Synthesis and Electrochromism of Fluorane Dyes for Direct Thermal Printing and Pressure-Sensitive Printing
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Kim Sung-Hoon
Bae Jin-Seok
Hwang Seok-Hwan
Song Han-Chul
Gwon Tae-Sun
Doh Myung-Ki
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Abstract
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Fluorane dyes has been widely used for pressure and heat sensitive recording system as color forming materials. A new method of synthesizing fluorane dye by the Bamberger reaction has been developed. Electorchromic properties of fluorane dyes was discussed. The fading reaction kinetics follow a first-order relationship and resolved in two kinetics of first-order reaction with rate constant k1 and k2
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