Effect of food additives on the microstructure, mechanical and water transport properties of polyurethane films
The objective of this work is to study the effects of common food preservatives (BHT, α-
tocopherol, EDTA-Na and potassium sorbate) on the morphological, mechanical and water
transport properties of polyurethane (PU) as films or coatings. The influence of these
additives on the polymer structure and the polymer-additive interaction was evaluated by
using SAXS, FTIR and DSC. The addition of additives results either in the formation of
aggregates or modification of the polymer microstructure, depending on the molecular size …
tocopherol, EDTA-Na and potassium sorbate) on the morphological, mechanical and water
transport properties of polyurethane (PU) as films or coatings. The influence of these
additives on the polymer structure and the polymer-additive interaction was evaluated by
using SAXS, FTIR and DSC. The addition of additives results either in the formation of
aggregates or modification of the polymer microstructure, depending on the molecular size …
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