Synthesis and properties of polyurethane acrylate oligomer based on polycaprolactone diol

The polycaprolactone diol (PCL diol) was prepared by ring-opening polymerization method, with hydroquinone bis(2-hydroxyethyl) ether as the reactive initiator and ε-caprolactone as the monomer. The polyurethane acrylate (PUA) was prepared with the self-made PCL diol. Then, PUA was used to prepare th...

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Main Authors: Xiong Tao, Zhang Yi-Fu
Format: Article
Language:English
Published: De Gruyter 2022-01-01
Series:e-Polymers
Subjects:
Online Access:https://doi.org/10.1515/epoly-2022-0009
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author Xiong Tao
Zhang Yi-Fu
author_facet Xiong Tao
Zhang Yi-Fu
author_sort Xiong Tao
collection DOAJ
description The polycaprolactone diol (PCL diol) was prepared by ring-opening polymerization method, with hydroquinone bis(2-hydroxyethyl) ether as the reactive initiator and ε-caprolactone as the monomer. The polyurethane acrylate (PUA) was prepared with the self-made PCL diol. Then, PUA was used to prepare the ultraviolet curable coatings. The structure and molecular weight of PCL diol was characterized by Fourier transform infrared spectroscopy, gel-permeation chromatography, and hydroxyl value titration. The performance of the cured coating film was characterized by thermogravimetric analysis and scanning electron microscope. The flexibility and hardness of the cured coating film were tested. The results showed that the narrow molecular weight PCL diol was successfully synthesized. The UV curing coating film had the optimal performance with a hardness of 3H, flexibility of 1.5 mm, abrasion resistance of 0.028 g−1, and adhesion of grade 1, all coating films showed good thermal properties.
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spelling doaj.art-7a14a06dab0a46d5b90bb8d92f06c8062022-12-22T03:33:36ZengDe Gruytere-Polymers1618-72292022-01-0122114715510.1515/epoly-2022-0009Synthesis and properties of polyurethane acrylate oligomer based on polycaprolactone diolXiong Tao0Zhang Yi-Fu1School of Resources, Environment and Materials, Guangxi University, Nanning 530004, ChinaSchool of Resources, Environment and Materials, Guangxi University, Nanning 530004, ChinaThe polycaprolactone diol (PCL diol) was prepared by ring-opening polymerization method, with hydroquinone bis(2-hydroxyethyl) ether as the reactive initiator and ε-caprolactone as the monomer. The polyurethane acrylate (PUA) was prepared with the self-made PCL diol. Then, PUA was used to prepare the ultraviolet curable coatings. The structure and molecular weight of PCL diol was characterized by Fourier transform infrared spectroscopy, gel-permeation chromatography, and hydroxyl value titration. The performance of the cured coating film was characterized by thermogravimetric analysis and scanning electron microscope. The flexibility and hardness of the cured coating film were tested. The results showed that the narrow molecular weight PCL diol was successfully synthesized. The UV curing coating film had the optimal performance with a hardness of 3H, flexibility of 1.5 mm, abrasion resistance of 0.028 g−1, and adhesion of grade 1, all coating films showed good thermal properties.https://doi.org/10.1515/epoly-2022-0009hydroquinone bis(2-hydroxyethyl) etherpolycaprolactone dioluv curing coating
spellingShingle Xiong Tao
Zhang Yi-Fu
Synthesis and properties of polyurethane acrylate oligomer based on polycaprolactone diol
e-Polymers
hydroquinone bis(2-hydroxyethyl) ether
polycaprolactone diol
uv curing coating
title Synthesis and properties of polyurethane acrylate oligomer based on polycaprolactone diol
title_full Synthesis and properties of polyurethane acrylate oligomer based on polycaprolactone diol
title_fullStr Synthesis and properties of polyurethane acrylate oligomer based on polycaprolactone diol
title_full_unstemmed Synthesis and properties of polyurethane acrylate oligomer based on polycaprolactone diol
title_short Synthesis and properties of polyurethane acrylate oligomer based on polycaprolactone diol
title_sort synthesis and properties of polyurethane acrylate oligomer based on polycaprolactone diol
topic hydroquinone bis(2-hydroxyethyl) ether
polycaprolactone diol
uv curing coating
url https://doi.org/10.1515/epoly-2022-0009
work_keys_str_mv AT xiongtao synthesisandpropertiesofpolyurethaneacrylateoligomerbasedonpolycaprolactonediol
AT zhangyifu synthesisandpropertiesofpolyurethaneacrylateoligomerbasedonpolycaprolactonediol