Surface Modification of Polylactic Acid Films by Atmospheric Pressure Plasma Treatment

被引：3

作者：

Kudryavtseva, V. L. ^{[1
]}

Zhuravlev, M. V. ^{[1
]}

Tverdokhlebov, S. I. ^{[1
]}

机构：

[1] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia

来源：

PHYSICS OF CANCER: INTERDISCIPLINARY PROBLEMS AND CLINICAL APPLICATIONS (PC IPCA) | 2017年 / 1882卷

基金：

俄罗斯科学基金会;

关键词：

D O I：

10.1063/1.5001616

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

A new approach for the modification of polylactic acid (PLA) materials using atmospheric pressure plasma (APP) is described. PLA films plasma exposure time was 20, 60, 120 s. The surface morphology and wettability of the obtained PLA films were investigated by atomic force microscopy (AFM) and the sitting drop method. The atmospheric pressure plasma increased the roughness and surface energy of PLA film. The wettability of PLA has been improved with the application of an atmospheric plasma surface treatment. It was shown that it is possible to obtain PLA films with various surface relief and tunable wettability. Additionally, we demonstrated that the use of cold atmospheric pressure plasma for surface activation allows for the immobilization of bioactive compounds like hyaluronic acid (HA) on the surface of obtained films. It was shown that composite PLA-HA films have an increased long-term hydrophilicity of the films surface.

引用

页数：4

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