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ETIR and Raman Spectroscopic Studies of Crystallization and Polymorphism of Syndiotactic Polystyrene  

Kohji Tashiro (경희대학교 영상정보 소재기술 연구센터)
Publication Information
Polymer(Korea) / v.27, no.6, 2003 , pp. 603-608 More about this Journal
Abstract
Syndiotactic polystyrene (s-PS) presents a very complex polymorphic behavior depending on the sample preparation history and exhibits a solid-solid phase transition. Each different polymorphic structures of the s-PS sample were prepared by annealing the samples from room temperature to 220 $^{\circ}C$. The structural changes induced by annealing were investigated using FTIR and FT-Raman spectroscopy. Although the crystallization kinetics of s-PS are difficult to investigate with DSC due to its fast crystallization rate, it was possible to determine crystallinity changes in the s-PS sample using infrared characteristic peaks with Beer-Lambert's law.
Keywords
syndiotactic polystyrene; infrared; Raman; structure; crystallization;
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