Abstract
The features of the production process of polymeric foams based on polyvinyl chloride and reactive isocyanates in the presence of carboxylic acid anhydrides as crosslinking agents are investigated. The infl uence of the nature of isocyanates and their concentration on the formation of imide fragments in the polymer matrix, on the physical-mechanical and temperature-deformation properties of foams is shown. The glass transition temperatures of the obtained materials are determined.
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