Preparation and Characterization of Diols and Polyols Based on Aminolysis of Poly (ethylene terephthalate) Wastes with Alkanolamines

The plastic waste phenomenon, which is the result of increasing poly (ethylene terephthalate) production and the wide range pet consumption in different industries, caused one of the major environmental concerns. therefore,many different ways have been studied and applied for chemical recycling of pet. one of the most important ways to depolymerize poly (ethylene terephthalate) is the aminolysis procedure. in the present study, pet aminolysis reactions have been done in order to optimizethe usage of polyester wastes.the compound of polyol obtained from aminolysis reactions could be an alternative of polyols used in common synthesizes of polymeric materials in order to produce new industrial polyesters and polymers with noble features.the products then was characterized by the use of analyzing tests such as hydroxyl value determination and total nitrogen measurement based on astm standards and systematic analysis by ftir, 1h nmr, elemental analysis and differential scanning calorimetric (dsc).