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Stereoregularity and optical anisotropy of polypropylene

✍ Scribed by V.N Tsvetkov; O.V Kallistov; Ye.V Korneyeva; I.K Nekrasov

Book ID
118356934
Publisher
Elsevier Science
Year
1964
Weight
356 KB
Volume
5
Category
Article
ISSN
0032-3950

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πŸ“œ SIMILAR VOLUMES

Stereoregularity and optical anisotropy
Stereoregularity and optical anisotropy of polymers
✍ Tsvetkov, V. N. πŸ“‚ Article πŸ“… 1962 πŸ› John Wiley and Sons βš– 771 KB

## Abstract The flow birefringence and the photoelastic effect in films have been used to study the molecular optical anisotropy of stereoisomers of polystyrene (PS), poly(__p__‐methyl styrene) (PMS), poly(methyl methacrylate) (PMMA), and poly‐(__n__‐butyl methacrylate) (PBMA). Considerable differe

The use of infrared spectroscopy for det
The use of infrared spectroscopy for determination of polypropylene stereoregularity
✍ David R. Burfield; Patrick S. T. Loi πŸ“‚ Article πŸ“… 1988 πŸ› John Wiley and Sons 🌐 English βš– 743 KB

This study examines the application of infrared (IR) spectrometry to the determination of polypropylene (PP) stereoregularity. The use of the absorption bands at 998 cm-' and 841 cm-' as indices of isotacticity and bands at 1167 cm-' and 973 cm-' as internal references have been explored. Calibratio