X-ray diffraction study of solvent-induced crystallization in polyester filaments

Kulshreshtha, A. K.; Khan, Asif; Madan, G. L.

doi:10.1016/0032-3861(78)90011-3

Cited by 22 publications

(16 citation statements)

References 12 publications

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“…Organic solvent can induce crystallization in PET polymer at low temperature by plasticizing effect. The extent of plasticization depends on the amount of solvent that has penetrated inside the polymer [2,4]. Some papers have reported that amorphous PET can be crystallized by immersion in selected organic solvents (i.e.…”

Section: Introductionmentioning

confidence: 99%

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Crystallization of poly(ethylene terephthalate) filaments by infusion of ethanol upon cold drawing

Khanum

Takarada

Aravind

et al. 2015

Polymer

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Section: Introductionmentioning

confidence: 99%

“…A large number of experimental techniques have been investigated for solvent-induced crystallization [1e3]. Solvents can penetrate into the polymer matrix and swell the polymer [2]. Organic solvent can induce crystallization in PET polymer at low temperature by plasticizing effect.…”

Section: Introductionmentioning

confidence: 99%

Crystallization of poly(ethylene terephthalate) filaments by infusion of ethanol upon cold drawing

Khanum

Takarada

Aravind

et al. 2015

Polymer

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“…Further, the studies of polymer–solvent systems have received much attention for environmental protection and industrial processes 7. Investigations have been carried out on the interactions of organic solvents with PET to understand the morphological and structural changes taking place because of solvent treatment 8, 9. The majority of work on PET–solvent interaction has been on the solvent‐induced crystallization (SINC).…”

Section: Introductionmentioning

confidence: 99%

“…The majority of work on PET–solvent interaction has been on the solvent‐induced crystallization (SINC). SINC is attributed to the disruption of secondary interchain bonds, which increases the segmental mobility of polymer chains and permits internal structural rearrangement to the desired configuration 9. It results in the formation of new crystallites in glassy polymers10 and perfection and growth of existing crystallites in semicrystalline polymers 11.…”

Section: Introductionmentioning

confidence: 99%

Solvent‐induced modifications in polyester yarns. II. Structural and thermal behavior

Chidambaram¹,

Venkatraj²,

Manisankar

2003

J of Applied Polymer Sci

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ABSTRACT:The structural and thermal behaviors of polyester yarns treated with trichloroacetic acid-chloroform (TCAC) mixture were investigated by differential scanning calorimetric analysis (DSC), wide-angle X-ray scattering (WAXS), infrared spectroscopy (IR), and scanning electron microscopy (SEM). The effects of TCAC treatment on original fine filament (FFP) and microdenier (MDP) polyester yarns and on heat-set polyester yarns were studied. It was found that the glass transition temperature of TCAC-treated polyester yarns decreases with an increase in treatment concentration due to the plasticization effect, which is remarkable even at lower treatment concentration. The TCAC treatment on polyester yarns resulted in the formation of new crystallites in the extended noncrystalline domains of PET as well as growth and perfection of these new crystallites and the preexisting crystals. Further, the DSC thermograms revealed that TCAC treatment with 3% concentration could be able to overcome the structural changes in PET produced by heat setting at 180°C. The substantial changes in noncrystalline and crystalline domains observed were related to the mechanical properties of yarns. From the WAXS studies, an increase in crystal size and lateral order of TCAC-treated polyester yarns was noted. The most distinct changes brought about by TCAC treatment include overall orientation determined by the trans-gauche ratio from IR measurements. The removal of oligomers and smoothening out of the fiber surface by TCAC treatment were observed from SEM studies.

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“…X-ray diffraction pattern of most polymers contains sharp as well as broad and diffuse peak. The sharp peak corresponds to crystalline regions; the diffuse and the broad ones refer to amorphous region [31][32][33][34].…”

Section: Xrd Studies Of 80 : 20 Pcfmentioning

confidence: 99%

A New Approach to Dyeing of 80 : 20 Polyester/Cotton Blended Fabric Using Disperse and Reactive Dyes

Muralidharan

Laya

2011

ISRN Materials Science

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Polyester/Cotton blended fabrics are normally dyed by two-bath or one-bath two-step dyeing method. This paper deals with a new approach involving azeotropic ternary mixture of organic solvents pretreatment to dye polyester/cotton blends using disperse and reactive dyes in one-bath method. The effect of solvent pretreatments on dyeability, fastness, and few physicochemical properties has been investigated involving SEM, FTIR, DSC, and XRD studies, and results are presented.

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X-ray diffraction study of solvent-induced crystallization in polyester filaments

Cited by 22 publications

References 12 publications

Crystallization of poly(ethylene terephthalate) filaments by infusion of ethanol upon cold drawing

Crystallization of poly(ethylene terephthalate) filaments by infusion of ethanol upon cold drawing

Solvent‐induced modifications in polyester yarns. II. Structural and thermal behavior

A New Approach to Dyeing of 80 : 20 Polyester/Cotton Blended Fabric Using Disperse and Reactive Dyes

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