Effects of Comonomer Structure on the Polymorphic Behavior of Syndiotactic Polystyrene-Based Random Copolymers

The polymorphic behavior of syndiotactic polystyrene (sPS) is very complex. Four major crystalline forms, alpha , beta , gamma , and delta , are proposed. It has been known that the presence of a comonomer can influence the polymorphic behavior of a crystalline polymer. In an attempt to investigate...

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Bibliographic Details
Published inMacromolecules Vol. 31; no. 25; pp. 9081 - 9083
Main Authors Hong, Bo Ki, Kim, Keon Hyeong, Cho, Jae Cheol, Jo, Won Ho, Kim, Jungahn
Format Journal Article
LanguageEnglish
Published Washington, DC American Chemical Society 15.12.1998
Subjects
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
Structure, morphology and analysis
Random copolymer
Annealing
Pyridine(2-vinyl) copolymer
Isoprene copolymer
Experimental study
Syndiotactic polymer
Polymorphic transformation
Comparative study
Styrene copolymer
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Summary:The polymorphic behavior of syndiotactic polystyrene (sPS) is very complex. Four major crystalline forms, alpha , beta , gamma , and delta , are proposed. It has been known that the presence of a comonomer can influence the polymorphic behavior of a crystalline polymer. In an attempt to investigate the effect of the comonomer structure, such as flexibility and bulkiness of the comonomer unit, on the polymorphic behavior of sPS-based random copolymers, in this study, isoprene and 2-vinylnaphthalene are chosen as a representative flexible and rigid (bulky) comonomer, respectively.
Bibliography:ark:/67375/TPS-B3RHC0VB-K
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ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0024-9297
1520-5835
DOI:10.1021/ma980884v