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⵵/ȣ 2000 / ȣ: V.12,no.5,Oct
1() ſ(IV) - ĭ ü ׸ ־ -
2(Ÿ) Organic Solvent Dyeing (IV) - The Effect of Water on Dyeing of Polyester Fiber in Alkanes -
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ʷ The dyeability of C. I. Disperse Violet 1 on polyester fiber in alkance including a small amount of water was investigated. Up to 1% of water in alkanes the dye uptakes were increased rapidly. The dyeing transition temperature of the polyester fiber in alkanes with 1% of water was that is lower by than in alkanes only. This means that water plasticizes the polyester fiber, and that dyes begin to penetrate the polyester fiber at lower temperature. Addition of trichloromethane which is known as a strong plasticizer on polyester fiber, in alkanes, increased the dye uptakes of C. I. Disperse Violet 1 on polyester fiber at , but the dyeing transition temperature was lower by than in alkanes only.
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