Preparation and antibacterial properties of polycaprolactone/quaternized chitosan blends

Anrong Zeng; Yangtao Wang; Dajun Li; Juedong Guo; Qiaowen Chen

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Preparation and antibacterial properties of polycaprolactone/quaternized chitosan blends

Materials and Product Engineering | Updated：2026-01-06

- Preparation and antibacterial properties of polycaprolactone/quaternized chitosan blends
- Preparation and antibacterial properties of polycaprolactone/quaternized chitosan blends
- 中国化学工程学报（英文版） 2021年32卷第4期页码：462-471
- Affiliations：
  
  College of Materials and Chemical Engineering, Liming Vocational University,Quanzhou,China,362000
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2021
- Accepted：
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Anrong Zeng, Yangtao Wang, Dajun Li, 等. Preparation and antibacterial properties of polycaprolactone/quaternized chitosan blends[J]. 中国化学工程学报（英文版）, 2021,32(4):462-471.

Anrong Zeng, Yangtao Wang, Dajun Li, Juedong Guo, Qiaowen Chen. Preparation and antibacterial properties of polycaprolactone/quaternized chitosan blends[J]. Chinese Journal of Chemical Engineering, 2021, 32(4): 462-471.
Anrong Zeng, Yangtao Wang, Dajun Li, 等. Preparation and antibacterial properties of polycaprolactone/quaternized chitosan blends[J]. 中国化学工程学报（英文版）, 2021,32(4):462-471. DOI：

Anrong Zeng, Yangtao Wang, Dajun Li, Juedong Guo, Qiaowen Chen. Preparation and antibacterial properties of polycaprolactone/quaternized chitosan blends[J]. Chinese Journal of Chemical Engineering, 2021, 32(4): 462-471. DOI：

摘要

Abstract

This article is a preliminary study on antibacterial blends of polycaprolactone

chitosan and quaternized chitosan by melt processing. Blends were characterized

mechanical test and antibacterial evaluation against

Escherichia coli

and

Staphylococcus aureus

were conducted. Results showed that the antibacterial potential of chitosan was limited in blends and polycaprolactone/chitosan did not show significant antibacterial effect compared with neat polycaprolactone (PCL). Inhibition rates of polycaprolactone/quaternized chitosan were 39.2%-99.9% against

Escherichia coli

while inhibition rate was 40.9%-99.9% against

Staphylococcus aureus

. When quaternized chitosan (QCTS) content was up to 20%

blends exhibited 99.9% inhibition rates against both two types of bacteria.

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