Morphology and crystal structure of cold-crystallized syndiotactic polystyrene

Y. S. Sun; E. M. Woo

doi:10.1016/S0032-3861(00)00574-7

Morphology and crystal structure of cold-crystallized syndiotactic polystyrene

Y. S. Sun, E. M. Woo

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

53 Citations (Scopus)

Abstract

Scanning electron microscopy, differential scanning calorimetry, IR spectroscopy, and X-ray diffraction analyses were used to characterize the unique morphology of cold-crystallized syndiotactic polystyrene (sPS). Cold-crystallization of sPS produced only α-type unit cell packed into crystalline domains of different morphologies. The morphology contains a granular-sphere texture when cold-crystallized at low temperatures while high-temperature cold-crystallization produced additional sheaf-like lamella radiating out from the central spheres. Details of this interesting morphological feature are expounded in the paper.

Original language	English
Pages (from-to)	2241-2245
Number of pages	5
Journal	polymer
Volume	42
Issue number	5
DOIs	https://doi.org/10.1016/S0032-3861(00)00574-7
Publication status	Published - 2001

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1016/S0032-3861(00)00574-7

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title = "Morphology and crystal structure of cold-crystallized syndiotactic polystyrene",

abstract = "Scanning electron microscopy, differential scanning calorimetry, IR spectroscopy, and X-ray diffraction analyses were used to characterize the unique morphology of cold-crystallized syndiotactic polystyrene (sPS). Cold-crystallization of sPS produced only α-type unit cell packed into crystalline domains of different morphologies. The morphology contains a granular-sphere texture when cold-crystallized at low temperatures while high-temperature cold-crystallization produced additional sheaf-like lamella radiating out from the central spheres. Details of this interesting morphological feature are expounded in the paper.",

author = "Sun, {Y. S.} and Woo, {E. M.}",

note = "Funding Information: The work was supported by research grants from Taiwan's National Science Council (#NSC89 2216 E006 014). The authors are grateful to Mr Masahiko Kuramoto of Idemitsu Petrochemicals Co. Ltd, Japan, who kindly supplied the research-grade sPS material. This paper has benefited a great deal from the expert comments made by the reviewers, whose suggestions have been incorporated and to whom the authors express their most sincere gratitude.",

year = "2001",

doi = "10.1016/S0032-3861(00)00574-7",

language = "English",

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journal = "polymer",

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T1 - Morphology and crystal structure of cold-crystallized syndiotactic polystyrene

AU - Sun, Y. S.

AU - Woo, E. M.

N1 - Funding Information: The work was supported by research grants from Taiwan's National Science Council (#NSC89 2216 E006 014). The authors are grateful to Mr Masahiko Kuramoto of Idemitsu Petrochemicals Co. Ltd, Japan, who kindly supplied the research-grade sPS material. This paper has benefited a great deal from the expert comments made by the reviewers, whose suggestions have been incorporated and to whom the authors express their most sincere gratitude.

PY - 2001

Y1 - 2001

N2 - Scanning electron microscopy, differential scanning calorimetry, IR spectroscopy, and X-ray diffraction analyses were used to characterize the unique morphology of cold-crystallized syndiotactic polystyrene (sPS). Cold-crystallization of sPS produced only α-type unit cell packed into crystalline domains of different morphologies. The morphology contains a granular-sphere texture when cold-crystallized at low temperatures while high-temperature cold-crystallization produced additional sheaf-like lamella radiating out from the central spheres. Details of this interesting morphological feature are expounded in the paper.

AB - Scanning electron microscopy, differential scanning calorimetry, IR spectroscopy, and X-ray diffraction analyses were used to characterize the unique morphology of cold-crystallized syndiotactic polystyrene (sPS). Cold-crystallization of sPS produced only α-type unit cell packed into crystalline domains of different morphologies. The morphology contains a granular-sphere texture when cold-crystallized at low temperatures while high-temperature cold-crystallization produced additional sheaf-like lamella radiating out from the central spheres. Details of this interesting morphological feature are expounded in the paper.

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Morphology and crystal structure of cold-crystallized syndiotactic polystyrene

Abstract

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