Abstract
Results of a study on polyethylene, polyvinyl chloride, latex and polypropylene films by photocolorimetry are described. The polymeric films were subjected to destructive environmental factors as ozone, ultra-violet irradiation and γ-radiation. It is shown that these factors can lead to a reduction or an increase of transparency. This fact is due to the mechanisms of crosslinking, crystallization and destruction of macromolecules. Correlation between the photocolorimetry data and distributions of relaxation times of a nuclear magnetic resonance of protons in different sites of the polymeric network received earlier is established.
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