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The dyeability and properties of some structurally modified poly(ethylene terephthalate) filaments

✍ Scribed by S. C. O. Ugbolue; O. E. Ekpenyon

Publisher: John Wiley and Sons
Year: 1988
Tongue: English
Weight: 565 KB
Volume: 36
Category: Article
ISSN: 0021-8995
DOI: 10.1002/app.1988.070360710

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✦ Synopsis

The effect of solvent treatment on the dyeability and mechanical properties of drawn poly(ethylene terephthalate) (PET) filaments has been studied. It is observed that strongly interacting solvents such as N, N-dimethyl formamide (DMF) improved the dyeability of PET which has been treated with these solvents at 74°C for 15 min before dyeing with disperse dyes at 100°C. Pretreatment i n N, N-dimethyl formamide and acetonitrile also resulted in a lowering of tensile strength and initial modulus, whereas subsequent dyeing caused further reduction in extensibility but initial modulus results are less consistent.

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