The a-relaxation of a linear poly(methylhydrogensi1oxane) has been investigated as a function of temperature and frequency using dielectric relaxation spectroscopy. Replacement of the hydrogen with a hexyl group increased the temperature and broadness of the a-process, and this is interpreted in ter
Substituent effect on the hydrolysis of side groups in poly(phenyl methacrylates)
✍ Scribed by Bortnowska-Bareła, B. ;Połowiński, S.
- Publisher
- John Wiley and Sons
- Year
- 1982
- Weight
- 157 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0360-6376
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✦ Synopsis
Abstract
The kinetics of the basic hydrolysis of several poly(phenyl methacrylates) with different substituents in the aromatic ring were investigated. Using Keller's equations to describe the effect of neighboring groups on the kinetics of side‐group reactions in polymers, we computed the corresponding rate constants which correlated well with Hammett's substituent constants.
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