Generalized method for determination of penultimate model reactivity ratios and analysis of data
β Scribed by Pramil C. Deb
- Book ID
- 108249657
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 126 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0032-3861
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π SIMILAR VOLUMES
A novel kinetic treatment is proposed for the copolymerization of two monomers M~ and M 2 where the reactivities of all terminal groups are susceptible to penultimate group effects. By applying the conditions [Mt]>>[M2] and [MI]<<[M2], as is possible using radiolabelled monomers, values of r I and r
## Abstract A newly developed method for the determination of the radical reactivity ratios is presented. Two main equations are used and the parameters can be calculated from the ordinate and the slope of the linearization plots. Both equations yield identical values when applied to synthetic data
## Abstract The terminal and penultimate model reactivity ratios in the freeβradical copolymerization of styrene and methyl methacrylate in bulk at 40Β°C were calculated by means of the simplex and scanning methods. Calculations showed that for the terminal model __r__~1~ and __r__~2~ vary in compar