Block copolyetheroesters modified with pentaerythritol
A new method of chemical modification of copolyetheroester elastomers with pentaerythritol has been presented. It consists in branching the oligoester rigid segment. The effect of the modifier content on the elastic properties of polymer has been determined. It has been found that the elastic properties of copolyetheroesters modified with pentaerythritol are better than those of their linear analogs.
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