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Polyesteramide resin from PET waste and fatty amide

Polyesteramide resin from PET waste and fatty amide Purpose – The purpose of this paper is synthesis of polyesteramide resin from jatropha oil and monomer from recycling of poly(ethylene terephthalate) (PET) to get the excellent benefit of individual structure. Along with the synthesis of polyesteramide resin, this research work will also help in recycling of PET waste and help for the conversion of monomer obtained from recycling of PET to value-added application. Design/methodology/approach – Polyesteramide resin was synthesized by conventional method, i.e. by converting jatropha oil to corresponding fatty amide, i.e. hydroxyl ethyl jatropha oil fatty acid amide (HEJA), and treating it with dicarboxylic acid, i.e. sebacic acid but bis(2-hydroxyethyl) terepthalamide (BHETA) is added, i.e. monomer of PET, and then resin synthesis is carried out. Synthesized resin is cured with isocyanate and used for coating application. Coating is characterized for physical, mechanical, thermal and anticorrosive properties. Findings – Coating shows excellent balance of flexibility and hardness due to structural difference in BHETA and HEJA. Aromatic structure of BHETA was helpful for increasing hardness and for retardation of degradation, and at the same time, aliphatic structure of HEJA was helpful for increasing flexibility of the coating. Amide linkage present in both help for better adhesion of coating to metal surface, which also helps to improve the mechanical properties and anticorrosive properties. Practical implications – This method is the practical solution for synthesis of polyesteramide resin and then coating from PET waste and jatropha oil. Hence the method developed is simple and it helps for recycling of PET waste and conversion of recycled product to value-added material. Originality/value – To the best of the authors’ knowledge, this is the first study which use jatropha oil (fatty amide of jatropha oil) and PET waste (monomer of PET waste) simultaneously for the synthesis of polyesteramide resin and then coating. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Pigment & Resin Technology Emerald Publishing

Polyesteramide resin from PET waste and fatty amide

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References (20)

Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0369-9420
DOI
10.1108/PRT-05-2013-0033
Publisher site
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Abstract

Purpose – The purpose of this paper is synthesis of polyesteramide resin from jatropha oil and monomer from recycling of poly(ethylene terephthalate) (PET) to get the excellent benefit of individual structure. Along with the synthesis of polyesteramide resin, this research work will also help in recycling of PET waste and help for the conversion of monomer obtained from recycling of PET to value-added application. Design/methodology/approach – Polyesteramide resin was synthesized by conventional method, i.e. by converting jatropha oil to corresponding fatty amide, i.e. hydroxyl ethyl jatropha oil fatty acid amide (HEJA), and treating it with dicarboxylic acid, i.e. sebacic acid but bis(2-hydroxyethyl) terepthalamide (BHETA) is added, i.e. monomer of PET, and then resin synthesis is carried out. Synthesized resin is cured with isocyanate and used for coating application. Coating is characterized for physical, mechanical, thermal and anticorrosive properties. Findings – Coating shows excellent balance of flexibility and hardness due to structural difference in BHETA and HEJA. Aromatic structure of BHETA was helpful for increasing hardness and for retardation of degradation, and at the same time, aliphatic structure of HEJA was helpful for increasing flexibility of the coating. Amide linkage present in both help for better adhesion of coating to metal surface, which also helps to improve the mechanical properties and anticorrosive properties. Practical implications – This method is the practical solution for synthesis of polyesteramide resin and then coating from PET waste and jatropha oil. Hence the method developed is simple and it helps for recycling of PET waste and conversion of recycled product to value-added material. Originality/value – To the best of the authors’ knowledge, this is the first study which use jatropha oil (fatty amide of jatropha oil) and PET waste (monomer of PET waste) simultaneously for the synthesis of polyesteramide resin and then coating.

Journal

Pigment & Resin Technology – Emerald Publishing

Published: Aug 26, 2014

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