Additional criteria for distinguishing between the Volmcr-Heyrovsky and the Vohncr-Tafel reaction mechanisms for the hydrogen evolution reaction (HER) have heen derived from a theoretical treatment of polarization curves under conditions of continuous surface renewal From data published by Tomashov
Stereochemical criteria for the mechanisms of catalytic hydrogenation.
โ Scribed by Samuel Siegel; David W. Ohrt
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- French
- Weight
- 208 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0040-4039
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Chemical modification of polymers via catalysis is of great importance as it provides an efficient synthetic route for the production of novel polymers with desirable physical properties. It also allows the introduction of functional groups that are often inaccessible by conventional polymerization
Substituted alkyhnethylenecyclohexanes were hydrogenated over several transition metal catalysts. The ratios of the epimeric products were almost unity over freshly prepared Raney Ni but the axial Me counterparts were favoured over aged catalyst. The axial Me products were also preferred on Pt or Rh