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⵵/ȣ 2019 / ȣ: V.31,no.3,Sept
1() Ӱ ü л꿰 ռ PET Ư
2(Ÿ) Synthesis of Azo based Disperse Dyes for Dyeing Polyester Fiber in Supercritical Carbon Dioxide
() Ž¸, Ȱ, ̼, ̽, 1, â2, *
(Ÿ) Seung-Rim Shin, Kyoung-Lyong An, Sunhye Lee, Seung Eun Lee, Eunhee Ko1, Changil Kim2 and Kun Jun*
Ҽ() ѱȭп, 1ѱ翬, 2߾ũθڸ
Ҽ(Ÿ) Korea Research Institute of Chemical Technology, Korea High Tech Textile Research Institute, Archrom
/ 135 ~ 146 : 12
() Korean
ʷ Abstract A series of azo based disperse dyes were synthesized and applied to polyester( PET) fiber in supercritical carbon dioxide(ScCO2). Various aniline derivatives were used as diazo component and coupled with glycine ethylester or carbonic acid ethylester derivatives to give azo based disperse dyes. Depending on the various diazo substituents, absorption maxima varied from 415 to 529nm in acetone. Dyeing in ScCO2 was carried out at 120 and 250bar pressure for 2hrs with 0.5% o.w.f. of dye concentration. Dyed PET fiber had excellent brightness and good light, washing and perspiration(acid/alkali) fastness properties.
Ű Keywords azo based disperse dyes, supercritical carbon dioxide, polyester, dyeing, fastness
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