초임계 유체 염색용 아조계 분산염료 합성 및 PET 섬유에 대한 염색 특성 연구
Synthesis of Azo based Disperse Dyes for Dyeing Polyester Fiber in Supercritical Carbon Dioxide
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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.
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.
참고문헌 (16)
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