Some Aspects of the Drying and Heating of Textiles VII—The Stability of Thermal Modifications of Fibres in Subsequent Treatments

Preston, J.; Gundavda, S. P.

doi:10.1111/j.1478-4408.1952.tb02746.x

Cited by 5 publications

(1 citation statement)

References 2 publications

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“…The setting temperature varies with the fibre and end usage of the fabric. Heat setting machines available in the finishing industry may also be classified depending on the type of reagent used to stabilize polyester (De Boos et al, 1986;Marvin, 1954;Mecklenburgh, 1950;Preston et al, 1951). During heat setting, the tensions are highly variable, from being very high when the sample is constrained from shrinking to being very low when it is free to relax (Gupta, 1995).…”

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confidence: 99%

Thermal behaviour of heat treated polyester knitted fabrics

Perera

Lanarolle

2020

RJTA

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Purpose Thermoplastic polymer fabrics are normally heat set to make them dimensionally stable. These fabrics in garment panel form may again be exposed to heat during the processes such as bonding, sublimation printing and cause to change their dimensions. The purpose of this paper is to investigate the response of polyester yarns in knitted fabrics to heat setting and post-heat treatments. Design/methodology/approach In this study, the thermal shrinkage behaviour of heat set polyester knitted fabrics when subjected to post-heat treatment processes are analyzed using differential scanning calorimetry (DSC) and analysis of fabric shrinkage. DSC is a thermo-analytical technique that measures the difference in the amount of heat needed to increase the temperature of the sample and the reference. A heat flux versus temperature curve is one of the results of a DSC experiment. The polymer structure and morphology of polyester heat-treated and post-heat–treated fabrics were determined by examining the DSC thermograms. Findings Heat setting and post-heat setting causes the effective temperature of polyester to change. Effective temperature occurred around 160°C for fabrics heat set at low temperatures and increases as the heat setting temperature increases. Post-heat treatments cause to elevate the effective temperature. Shrinkage of fabrics below the effective temperature is not statistically significant while the shrinkage at higher temperatures is significant. Effective temperature is the main determinant of thermal shrinkage behaviour of polyester. Originality/value The study reveals the significance of the effective temperature of polyester on heat treatments and post-heat treatments. The study revealed that heat-setting temperature is a primary determinant of the thermal stability of polyester fabric that are subjected to heat treatments.

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Section: Background Studymentioning

confidence: 99%

Thermal behaviour of heat treated polyester knitted fabrics

Perera

Lanarolle

2020

RJTA

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X‐ray diffraction and infrared spectra studies on the fine structure of rayon improved by high temperature steaming

Okajima

Inoue

1964

J. Polym. Sci. A Gen. Pap.

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SynopsisFive samples of rayon containing two high tenacity rayons and three textile rayons of viscose and Bemberg types were heat-treated with high temperature water or steam (ll0-21OoC.) for a few minutes or seconds, and the change in the fine structure was investigated by means of x-ray diffraction and small-angle scattering. An additional study by infared spectra was carried out on cellulose films similarly heat-treated. The crystallinity increased with increasing temperature and extension of the treating time within the range of less than 10%. Crystallites thicken laterally and grow into those of a higher order.The change is more striking in the high tenacity rayon than in the textile rayons. The remarkable reduction in the degree of swelling is considered to be due partially to such development of crystallinity. No clear conclusion could be drawn as to the contribution of junction points in the amorphous region.Newly formed crystallites are of cellulose IV.

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Die Quellfestausrüstung von Zellulosefasertextilien (als „Mit“-Effekt anderer Ausrüstungseffekte)

Ulrich

1968

Handbuch Der Chemischen Untersuchung Der Textilfaserstoffe

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Some Aspects of the Drying and Heating of Textiles VII—The Stability of Thermal Modifications of Fibres in Subsequent Treatments

Cited by 5 publications

References 2 publications

Thermal behaviour of heat treated polyester knitted fabrics

Thermal behaviour of heat treated polyester knitted fabrics

X‐ray diffraction and infrared spectra studies on the fine structure of rayon improved by high temperature steaming

Die Quellfestausrüstung von Zellulosefasertextilien (als „Mit“-Effekt anderer Ausrüstungseffekte)

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