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⵵/ȣ 1990 / ȣ: V.2,no.4,Dec
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2(Ÿ) The Carrier Mechanism in the Disperse Dyeing of Poly(ethylene terephthalate)
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ʷ The diffusion coefficient of C.I. Disperse Red 4 in the dyeing of carrier-pretreated poly (ethylene terephthalate) film was Investigated by Sekido\\\'s film-rolled method. From the result it was shown that the diffusion coefficient increases exponentially with the content-ration of carrier in the film, and, for the films containing same concentration of carrier, the carrier effect was enhanced with the molar volume of the carriers. The greater carrier effect was accompanied by the decrease in diffusion activation energy and entropy, which shows that the carrier with larger molar volume plasticizes PET film to more extent.
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