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The analysis of literary data on the obtaining of cyclic carbonates based on the vegetable oils has been carried out. The influence on carbonation reaction the type of vegetable oil, the chemical composition and catalyst concentration, state of carbon dioxide, pressure and temperature have thus been considered. The carbonation process of epoxidized oils that are valuable renewable vegetable raw materials...
A number of phenolic antioxidants have been evaluated, alone and in combination with phosphites, for their ability to reduce HCl evolution from PVC formulations plasticised with a new class of plasticiser based on formals of dioxane alcohols. The results show that the effectiveness of phenols is more or less independent of the chemical structure but determined by their evaporation rates. The best...
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