Sequence determination in MMA-EMA copolymers by 13C NMR
β Scribed by A. S. Brar; A. K. Saini
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 304 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0021-8995
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π SIMILAR VOLUMES
The methods for sequencing ethylene-propylene copolymers (EPMs) by 13 C-NMR were extended to account for third monomer effects. The equations for calculating the ethylene content and monomer sequence distribution in EPMs were corrected for the presence of the third monomers 1,4 hexadiene, 2-ethylide
## SYNOPSIS (Vinyl acetate)/(glycidyl methacrylate) (V/G) copolymers were prepared by free radical solution polymerization in benzene. Copolymer composition was determined by 'H-NMR spectroscopy. Comonomer reactivity ratios were calculated by Kelen-Tiidos (KT) and errorin-variables (EVM) methods. T