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Infrared spectroscopy study on crystalline and conformational changes in solution-cast syndiotactic polystyrene

โœ Scribed by Ya Sen Sun; Chi Wang; E. M. Woo


Book ID
106438324
Publisher
Springer
Year
2001
Tongue
English
Weight
546 KB
Volume
8
Category
Article
ISSN
1022-9760

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Fourier transform infrared (FTIR) spectra of syndiotactic polystyrene (s-PS) semicrystalline samples have been examined by using the spectral subtraction approach. For the crystalline forms including trans-planar chains (trigonal a and orthorhombic b) a number of conformational and structural order

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## Abstract Several syndiotactic polystyrene (sPS) samples have been synthesized by using different catalytic systems. Their stereochemistry has been determined by ^13^C NMR spectra in both the aliphatic CH~2~ and aromatic C~1~ resonance regions. The observed peaks have been unambiguously assigned