Structure–Property Evolution of Poly(ethylene terephthalate) Fibers in Industrialized Process under Complex Coupling of Stress and Temperature Field

Ma, J.P.; Yu, Liang; Chen, Shichang; Chen, Wenxing; Wang, Yongjun; Guang, Shanshan; Zhang, Xianming; Lü, Wangyang; Wang, Ying; Bao, Jianna

doi:10.1021/acs.macromol.8b01561

Cited by 43 publications

(29 citation statements)

References 40 publications

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“…As the temperature approaches the melting point of the polyester fiber (260 °C) [ 22 ], the ability of the polymer molecules rearrangement is high, and this phenomenon facilitates the elongation of yarn under a meager applied load. The polyester fiber’s internal structure modification under thermal treatment has been investigated in past studies [ 10 , 13 , 23 , 24 ], but these analyses have not included how the rearrangement of the internal structure affects the percentage elongation of polyester yarn. The thermal aging of yarn at 220 °C was performed only for the 110 tex and 660 tex sample types.…”

Section: Resultsmentioning

confidence: 99%

Effect of Thermal Aging on the Mechanical Properties of High Tenacity Polyester Yarn

Lemmi

Barburski

Kabziński³

et al. 2021

Materials

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Textile materials produced from a high tenacity industrial polyester fiber are most widely used in the mechanical rubber goods industry to reinforce conveyor belts, tire cords, and hoses. Reinforcement of textile rubber undergoes a vulcanization process to adhere the textile materials with the rubber and to enhance the physio-mechanical properties of the product. The vulcanization process has an influence on the textile material being used as a reinforcement. In this work, the effects of aging temperature and time on the high tenacity polyester yarn’s mechanical and surface structural properties were investigated. An experiment was carried out on a pre-activated high tenacity polyester yarn of different linear densities, by aging the yarn specimens under various aging temperatures of 140, 160, 200, and 220 °C for six, twelve, and thirty-five minutes of aging time. The tensile properties and surface structural change in the yarns pre- and post-aging were studied. The investigation illustrates that aging time and temperature influence the surface structure of the fiber, tenacity, and elongation properties of the yarn. Compared to unaged yarn, an almost five times higher percentage of elongation was obtained for the samples aged at 220 °C for 6 min, while the lowest tenacity was obtained for the sample subjected to aging under 220 °C for 35 min.

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Section: Resultsmentioning

confidence: 99%

Effect of Thermal Aging on the Mechanical Properties of High Tenacity Polyester Yarn

Lemmi

Barburski

Kabziński³

et al. 2021

Materials

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“…It is extensively used in the industries of plastic films and fibres. The reason could be attributed to its high melting point and excellent mechanical properties (Ma et al 2019 ). A composite fibre produced from PET with dry aerogel particles is used in the textile and automotive industries.…”

Section: Introductionmentioning

confidence: 99%

Occurrence, toxicity and remediation of polyethylene terephthalate plastics. A review

et al. 2022

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Polyethylene terephthalate is a common plastic in many products such as viscose rayon for clothing, and packaging material in the food and beverage industries. Polyethylene terephthalate has beneficial properties such as light weight, high tensile strength, transparency and gas barrier. Nonetheless, there is actually increasing concern about plastic pollution and toxicity. Here we review the properties, occurrence, toxicity, remediation and analysis of polyethylene terephthalate as macroplastic, mesoplastic, microplastic and nanoplastic. Polyethylene terephthalate occurs in groundwater, drinking water, soils and sediments. Plastic uptake by humans induces diseases such as reducing migration and proliferation of human mesenchymal stem cells of bone marrow and endothelial progenitor cells. Polyethylene terephthalate can be degraded by physical, chemical and biological methods.

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“…There has been a lot of studies on the structures and properties of PET in recent years in aspects of aggregate structure evolution in melt spun fibers, 10–12 biaxially 13,14 and uniaxially oriented films, 15,16 thin films 17,18 and so on. The double melting phenomenon, which was observed by heating a PET film using the differential scanning calorimeter (DSC), has attracted much attention.…”

Section: Introductionmentioning

confidence: 99%

The investigation of the growth and perfection of the poly(ethylene terephthalate) crystalline region from amorphous state during annealing using a controlled temperature gradient

Wang

Bin

2021

Polymer Crystallization

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The growth and perfection of the crystalline region during the annealing of amorphous poly(ethylene terephthalate) (PET) was studied systematically using a homemade temperature gradient (T‐gradient) ranging from 50 to 250°C. Double melting peaks were observed from the differential scanning calorimetry (DSC) thermograms when PET film was annealed at the temperatures (Ta) above the PET crystallization temperature (Tc ≈ 120°C) with a constant primary melting peak at around 256°C and an increased secondary melting peak on the range of 120 and 250°C. The profound broadening of the wide angle X‐ray diffraction (WAXD) peaks in both transmission and reflection modes indicated that there were a lot of tiny crystals when PET films were annealed between 120 and 200°C, and the shift of the WAXD peaks revealed the presence of the paracrystals in the PET films. The growth and perfection of crystalline region of PET in condition of amorphous and annealed (Ta = 128°C) PET samples were investigated on the basis of Fourier transform infrared spectra and simultaneous WAXD‐DSC measurement. It was found that the conformational transition of the soft ethylene glycol moiety and rigid phenylene moiety in amorphous PET began at around 120 and 200°C, respectively. The microcrystal sizes in the PET film annealed at 128°C exhibited no change at the time that the secondary melting peak showed up, which meant the secondary melting peak might be attributed to the melting of the paracrystals inside or on the surface of the microcrystals.

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Structure–Property Evolution of Poly(ethylene terephthalate) Fibers in Industrialized Process under Complex Coupling of Stress and Temperature Field

Cited by 43 publications

References 40 publications

Effect of Thermal Aging on the Mechanical Properties of High Tenacity Polyester Yarn

Effect of Thermal Aging on the Mechanical Properties of High Tenacity Polyester Yarn

Occurrence, toxicity and remediation of polyethylene terephthalate plastics. A review

The investigation of the growth and perfection of the poly(ethylene terephthalate) crystalline region from amorphous state during annealing using a controlled temperature gradient

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