Phthalimide계 신규 Azo dye의 Polyurethane계 섬유 염색 특성
Dyeing Properties of Polyurethane Fiber by Novel Phthalimidyl Azo Disperse Dye
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초록
Some phthalimidyl azo dyes containing N,N-diethyl or N,N-di(β-methoxycarbonylethyl) group have been attempted to apply onto two kinds of polyurethane based materials and rationalize their dyeability and fastness comparing with those of some commercial disperse dyes. Phthalimidyl azo dye showed 66~98% of exhaustion yield at 120℃ by a conventional exhaust dyeing method. The dyeings were found to have a higher wash fastness with both fabrics in comparison with those of commercial dyes which indicates lower thermomigration and efficient alkali clearable properties of phthalimidyl ring and/or diester group during post-dyeing process.
Abstract
Some phthalimidyl azo dyes containing N,N-diethyl or N,N-di(β-methoxycarbonylethyl) group have been attempted to apply onto two kinds of polyurethane based materials and rationalize their dyeability and fastness comparing with those of some commercial disperse dyes. Phthalimidyl azo dye showed 66~98% of exhaustion yield at 120℃ by a conventional exhaust dyeing method. The dyeings were found to have a higher wash fastness with both fabrics in comparison with those of commercial dyes which indicates lower thermomigration and efficient alkali clearable properties of phthalimidyl ring and/or diester group during post-dyeing process.
참고문헌 (10)
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