1991
DOI: 10.1002/pen.760311707
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Crystallization behavior of polyphenylenesulfide

Abstract: The crystallization behavior of poly(pheny1ene sulfide) (PPS) has been examined by differential scanning calorimetry as a function of melt temperature, residence time in the melt, and the presence of a liquid crystal polymer. The results suggest that the thermal history of the sample plays an important role in determining the crystallization kinetics. Short residence times at low melt temperatures and high melt temperatures alone resulted in a low value for the Avrami exponent n. The former effect was ascribed… Show more

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Cited by 50 publications
(26 citation statements)
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“…Multiple melting peaks are commonly observed in PPS. 23,24,25 In the case that amorphous PPS samples were annealed at a temperature and time sufficient to eliminate the cold crystallization in the DSC scan, a small endotherm is often observed at a temperature somewhat above the annealing temperature (often about 15°C above the annealing temperature). 26,27 This endotherm is thought to be associated with melting of small crystals formed during the annealing process, probably associated with secondary crystallization effects.…”
Section: Neat Polymermentioning
confidence: 99%
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“…Multiple melting peaks are commonly observed in PPS. 23,24,25 In the case that amorphous PPS samples were annealed at a temperature and time sufficient to eliminate the cold crystallization in the DSC scan, a small endotherm is often observed at a temperature somewhat above the annealing temperature (often about 15°C above the annealing temperature). 26,27 This endotherm is thought to be associated with melting of small crystals formed during the annealing process, probably associated with secondary crystallization effects.…”
Section: Neat Polymermentioning
confidence: 99%
“…Many investigators [23][24][25]35,36,[39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55][56] studied the crystallization kinetics of PPS and its composites. Most of these studies were reviewed previously, 3,6 so the approach taken here will be an overview of the most important observations.…”
Section: Crystallization Morphology and Kineticsmentioning
confidence: 99%
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“…5 Composite materials have also been prepared using carbon and glass fibers as reinforcement, 6 and blend systems using liquid crystalline polymers were also introduced to enhance its mechanical properties. 7,8 Also, CO 2 has been used as a plasticizer to decrease the melting point of PPS during melt processing. 9 ABS resin is a copolymer of styrene, acrylonitrile, and polybutadiene and is a multiphase polymeric resin with butadiene rubber distributed as relevantsized particles in the SAN matrix.…”
Section: Introductionmentioning
confidence: 99%