Synthesis and characterization of caprolactone based polyurethane with degradable and antifouling performance

Abid Ali; Lina Song; Jiankun Hu; Jingxian Jiang; Qingqing Rao; Muhammad Shoaib; Shah Fahad; Yongjie Cai; Xiaoli Zhan; Fengqiu Chen; Qinghua Zhang

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Synthesis and characterization of caprolactone based polyurethane with degradable and antifouling performance

Resources and Environmental Technology | Updated：2026-01-06

- Synthesis and characterization of caprolactone based polyurethane with degradable and antifouling performance
- Chinese Journal of Chemical Engineering Vol. 34, Issue 6, Pages: 299-306(2021)
- Affiliations：
  
  1. College of Chemical and Biological Engineering, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering, Manufacture Technology, Zhejiang University,Hangzhou,China,310027
  2. Ningbo Research Institute, Zhejiang University,Ningbo,China,315100
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2021
- Accepted：
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Abid Ali, Lina Song, Jiankun Hu, Jingxian Jiang, Qingqing Rao, Muhammad Shoaib, Shah Fahad, Yongjie Cai, Xiaoli Zhan, Fengqiu Chen, Qinghua Zhang. Synthesis and characterization of caprolactone based polyurethane with degradable and antifouling performance[J]. Chinese Journal of Chemical Engineering, 2021, 34(6): 299-306.
DOI：

Abid Ali, Lina Song, Jiankun Hu, Jingxian Jiang, Qingqing Rao, Muhammad Shoaib, Shah Fahad, Yongjie Cai, Xiaoli Zhan, Fengqiu Chen, Qinghua Zhang. Synthesis and characterization of caprolactone based polyurethane with degradable and antifouling performance[J]. Chinese Journal of Chemical Engineering, 2021, 34(6): 299-306. DOI：

摘要

Abstract

In this work

a degradable polyurethane composed of caprolactone (CL) and L-Lactide (LLA) as soft segments

and 4

4’-methylenebis(cyclohexyl isocyanate) (H

MDI) and polytetramethylene ether glycol (PTMEG) as hard segments

was prepared. Hydrolytic degradation experiment revealed that the degradable polyurethane (PU) could be degraded in artificial seawater. It also showed that caprolactone-copolyurethane (CL-PU) copolymer with higher crystallinity degraded much slower in artificial seawater. However

the introduction of LLA resulted in an increase in the hydrophilicity and reduction in the crystallinity of degradable PU

as demonstrated by the contact angle analysis. The result of the scanning electron microscope showed that the surface of degradable PU renewed under static condition. Moreover

degradable PU was able to be used as a carrier

and it controlled the release rate of 4

5-dichloro-2- octyl-isothiazolone (DCOIT). The anti-diatom (Navicula incerta) test demonstrated that the (caprolactone-co-L-lactide)-co-polyurethane 4 (CL/LAx-PU4) with DCOIT contents prevented the adhesion of diatom Navicula incerta (88.37% reduction) due to their self-polishing an

d the release of antifoulants. Therefore

the degradable PU consisted of CL

LLA

and DCOIT could be a durable resin with good antifouling activity for the application in the marine anti-biofouling field.

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Related Institution

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