Polyimide surface modification by pulsed ultraviolet laser irradiation with low fluence

被引：35

作者：

Lu, QH ^{[1
]}

Li, M

Yin, J

Zhu, ZK

Wang, ZG

机构：

[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Technol, Shanghai 200240, Peoples R China

[2] Shanghai Jiao Tong Univ, Instrumental Anal Ctr, Shanghai 200240, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2001年 / 82卷 / 11期

关键词：

surface modification; polyimide; irradiation; Nd : YAG laser;

D O I：

10.1002/app.2126

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Surface modification on a polyimide film by pulsed ultraviolet (UV) laser irradiation with a fluence below its ablation threshold was studied by X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), and UV-vis spectroscopy. It was observed that a photochemical reaction occurred and hydrophilic groups, such as -OH and -COOH, formed on the polyimide surface after irradiation. In addition, a ripple microstructure formed on the surface when the angle of incidence of the laser beam was 20-50 degrees. The contact angle of the polyimide surface with water decreased and the adsorption ability of the surface to a water-soluble dye clearly increased after laser irradiation. (C) 2001 John Wiley & Sons, Inc.

引用

页码：2739 / 2743

页数：5

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