Surface Properties of Femtosecond Laser Ablated PMMA

被引：98
|
作者：
De Marco, Carmela [1 ]
Eaton, Shane M. [2 ]
Suriano, Raffaella [1 ]
Turri, Stefano [1 ]
Levi, Marinella [1 ]
Ramponi, Roberta [2 ,3 ]
Cerullo, Giulio [2 ,3 ]
Osellame, Roberto [2 ]
机构：
[1] Politecn Milan, Dipartimento Chim Mat & Ingn Chim Giulio Natta, I-20133 Milan, Italy
[2] CNR, IFN, I-20133 Milan, Italy
[3] Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy
来源：
ACS APPLIED MATERIALS & INTERFACES | 2010年 / 2卷 / 08期
关键词：
femtosecond laser; ablation; wettability; polymer; PMMA; surface; POLY(METHYL METHACRYLATE); POLYMETHYLMETHACRYLATE; PULSES; XPS; IRRADIATION;
D O I：
10.1021/am100393e
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effects of femtosecond laser ablation on the physical and chemical properties at the surface of polymethylmethacrylate (PMMA) were studied. Femtosecond laser microfabrication caused the initially wetting behavior of PMMA to become nonwetting, mainly because of the laser induced surface porosity at the submicroscale. Static and dynamic contact angle measurements along with morphological characterization revealed that after the laser irradiation, the system lies in an intermediate regime between those theorized by Wenzel and Cassie-Baxter. Spectroscopic analysis did not evidence any significant variation in the chemical properties of the processed polymeric surfaces.
引用
收藏
页码：2377 / 2384
页数：8
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