Effect of Carbon-Ion Implantation on the Surface Physical and Chemical Properties of Polylactic Acid, Hydroxyapatite and a Composite Based on Them

被引：1
|
作者：
Laput, O. A. [1 ]
Zuza, D. A. [1 ,2 ]
Vasenina, I. V. [1 ,3 ]
机构：
[1] Natl Res Tomsk State Univ, Tomsk 634055, Russia
[2] Russian Acad Sci, Siberian Branch, Inst High Current Elect, Tomsk 634055, Russia
[3] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
来源：
JOURNAL OF SURFACE INVESTIGATION | 2020年 / 14卷 / 03期
关键词：
polylactic acid; hydroxyapatite; composite materials; ion implantation; wettability; elemental composition;
D O I：
10.1134/S1027451020030088
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The results of investigation of the surface physical and chemical properties of polylactic acid, hydroxyapatite and a composite material based on them taken in the ratio of components 80/20, modified by carbon ions with exposure doses of 1 x 10(15)and 1 x 10(16)ion/cm(2)at an accelerating voltage of 20 kV are presented. The surface chemical composition of the samples is studied by Fourier transform infrared spectroscopy. The elemental composition of the surface is studied by X-ray photoelectron spectroscopy. According to the obtained results, the simultaneous processes of destruction and cross linking of polylactic acid and polymer macromolecules are established. To assess the wettability of the untreated and modified surface of materials, contact-angle measurements and surface energy calculations are performed. It is established that carbon-ion implantation leads to improvement in the hydrophobic properties of materials; this process is accompanied by a decrease in the free surface energy.
引用
收藏
页码：516 / 524
页数：9
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