茶多酚-聚乳酸/聚碳酸丁二醇酯抗菌复合纤维膜的制备及性能

顾晓华; 李燕; 刘思雯; 杨长龙; 程伟东; 王玉慧

doi:10.13801/j.cnki.fhclxb.20190929.002

茶多酚-聚乳酸/聚碳酸丁二醇酯抗菌复合纤维膜的制备及性能

doi: 10.13801/j.cnki.fhclxb.20190929.002

顾晓华^1, ,,
李燕^1,,
刘思雯^2,,
杨长龙^1,,
程伟东^1,,
王玉慧^1,

1.
齐齐哈尔大学　材料科学与工程学院，齐齐哈尔 101006
2.
上海鹤城高分子科技有限公司，上海 100190

基金项目: 黑龙江省教育厅项目(135109214)；2018年齐齐哈尔大学研究生创新研究(YJSCX2018-039X)；黑龙江大学学生创新创业培训项目(201810232136)

详细信息

通讯作者:
顾晓华，博士，教授，硕士生导师，研究方向为功能材料　E-mail：gxh218@163.com

中图分类号: TQ342
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- 被引次数: 0
出版历程
- 收稿日期: 2019-06-26
- 录用日期: 2019-09-11
- 网络出版日期: 2019-09-29
- 刊出日期: 2020-06-15

Preparation and properties of tea polyphenol-polylactic acid/polybutylene carbonate antibacterial composite fiber membrane

GU Xiaohua^{1
, ,},
LI Yan^1
,,
LIU Siwen^2
,,
YANG Changlong^1
,,
CHENG Weidong^1
,,
WANG Yuhui^1
,

1.
Material Science and Engineering School, Qiqihar University, Qiqihar 101006, China
2.
Shanghai Hecheng Polymer Technology Co. Ltd., Shanghai 100190, China

摘要

摘要: 通过静电纺丝法制备了茶多酚(TP)-聚乳酸(PLA)/聚碳酸丁二醇酯(PBC)复合纤维膜。并采用SEM、FTIR、TG、接触角和抑菌测试进行了表征。研究表明，TP与PLA/PBC复合纤维薄膜共混良好，并且通过接触角测试10 s后接触角从105.42°下降到69.41°，TP的加入使TP-PLA/PBC复合纤维膜的热分解稳定性提高。随着TP含量的增加，纤维直径分布逐渐均匀并且趋于减小。TP-PLA/PBC复合纤维膜的抗菌活性远高于PLA/PBC复合纤维膜，对大肠杆菌(E.coli)的抗菌活性也略高于金黄色葡萄球菌(S.aureus)。当TP的添加量(与PLA/PBC的质量比)为20%时，得到了亲水性、热稳定性和抗菌性能优异的TP-PLA/PBC复合纤维膜。
- 聚乳酸 /
- 聚碳酸丁二醇酯 /
- 茶多酚 /
- 静电纺丝 /
- 复合纤维膜
Abstract: Tea polyphenol (TP)-polylactic acid (PLA)/polybutylene carbonate (PBC) composite fiber membranes were successfully prepared by electrospinning. The embranes were characterized by SEM, FTIR, TG, contact angle and bacteriostatic test. The results show that the TP and PLA/PBC composite fiber films are well blended, and the contact angle of TP-PLA/PBC decreases from 105.42° to 69.41° after 10 s of wet test. The addition of TP improves the thermal decomposition stability of TP-PLA/PBC composite fiber membranes. With the increase of TP content, the fiber diameter distribution gradually becomes uniform and tends to decrease. The antimicrobial activity of TP-PLA/PBC composite fiber membranes is much higher than that of pure PLA/PBC composite fiber membranes, and the antimicrobial activity against E.coli is also slightly higher than S.aureus. When the mass ratio of TP to PLA/PBC is 20%, the TP-PLA/PBC composite fiber membrane excellent in hydrophilicity, thermal stability and antibacterial property is obtained.
- polylactic acid /
- polybutylene carbonate /
- tea polyphenols /
- electrospinning /
- composite fiber membrane

HTML全文

图 1 TP与PLA/PBC不同质量比的TP-PLA/PBC复合纤维膜的SEM图像和平均直径分布

Figure 1. SEM images and average diameter distribution of TP-PLA/PBC composite fiber membranes with different mass ratios of TP to PLA/PBC

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图 2 TP与PLA/PBC不同质量比的TP-PLA/PBC复合纤维膜的热重曲线

Figure 2. TG curves of TP-PLA/PBC composite fiber membranes with different mass ratios of TP to PLA/PBC

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图 3 TP与PLA/PBC不同质量比的TP-PLA/PBC复合纤维膜的FTIR光谱

Figure 3. FTIR spectra of TP-PLA/PBC composite fiber membranes with different mass ratios of TP to PLA/PBC

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图 4 TP与PLA/PBC不同质量比的TP-PLA/PBC复合纤维膜的接触角

Figure 4. Contact angles of TP-PLA/PBC composite fiber membranes with different mass ratios of TP to PLA/PBC

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图 5 TP与PLA/PBC不同质量比的TP-PLA/PBC复合纤维膜的抑菌圈实验效果

Figure 5. Experimental effect of inhibition zone of TP-PLA/PBC composite fiber membranes with different mass ratios of TP to PLA/PBC

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图 6 TP与PLA/PBC不同质量比的TP-PLA/PBC复合纤维膜的抑菌宽度

Figure 6. Antibacterial widths of TP-PLA/PBC composite fiber membranes with different mass ratios of TP to PLA/PBC

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图 7 TP与PLA/PBC不同质量比的TP-PLA/PBC复合纤维膜的抑菌率

Figure 7. Antibacterial rates of TP-PLA/PBC composite fiber membranes with different mass ratios of TP to PLA/PBC

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表 1 不同茶多酚(TP)含量的TP-聚乳酸(PLA)/聚碳酸丁二醇酯(PBC)复合纤维膜材料

Table 1. Tea polyphenols-polylactic acid/polybutylene carbonate(TP-PLA/PBC) composite fiber membrane with different TP content

Sample Mass ratio of TP to PLA/PBC/%

PLA/PBC 0
10%TP-PLA/PBC 10
20%TP-PLA/PBC 20

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