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Protective Effect of Maleic Acid Derivatives on the Properties of Wool Fabric Dyed at 120°CDepartment of Fine Chemistry, Beijing Institute of Clothing Technology, Beijing 100029, People's Republic of China
Department of Fine Chemistry, Beijing Institute of Clothing Technology, Beijing 100029, People's Republic of China
Department of Fine Chemistry, Beijing Institute of Clothing Technology, Beijing 100029, People's Republic of China
Division of Wool Technology, Institute of Animal Production and Processing, Belmont, Victoria 3216, Australia
Department of Textile Technology, School of Materials Science and Engineering, Sydney 2052, Australia Eleven maleic acid derivatives are synthesized and authenticated, then used as wool protective agents for dyeing wool at 120°C with Isolan Red S-RL. The protective effects are evaluated in terms of tensile properties (initial modulus, tensile strength, extension at break, and work to rupture) for both conditioned and wet-state fabrics, chemical damage is assessed in terms of alkali solubility, and hygral expansion is also measured. N-naphthyl and trifluorophenyl maleamic acid and N-benzyl and N-trifluorophenyl maleimides pro vide beneficial effects in terms of increased tensile strength, reduced hygral expansion, and minimal yellowing. However, N-benzyl and N-trifluorophenyl maleimides produce higher alkali solubilities. These results are in contrast to those for Irgasol HTW NEW treated wool, which has relatively low alkali solubility yet higher hygral expansion and poorer tensile properties.
Textile Research Journal, Vol. 70, No. 6,
555-560 (2000) |
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