Molecular Surface Analysis and Depth-Profiling of Polyethylene Modified by an Atmospheric Ar-D2O Post-Discharge

被引：12

作者：

Cristaudo, Vanina ^{[1
]}

Collette, Stephanie ^{[2
]}

Tuccitto, Nunzio ^{[3
,4
]}

Poleunis, Claude ^{[1
]}

Melchiorre, Luigi Cesare ^{[1
]}

Licciardello, Antonino ^{[3
,4
]}

Reniers, Francois ^{[2
]}

Delcorte, Arnaud ^{[1
]}

机构：

[1] UCL, IMCN, Bio & Soft Matter BSMA, 1 Pl Louis Pasteur Box L4-01-10, B-1348 Louvain La Neuve, Belgium

[2] ULB, Chim Analyt & Chim Interfaces CHANI, CP 255,2 Blvd Triomphe, B-1050 Brussels, Belgium

[3] Univ Catania, Dept Chem Sci, 6 Viale A Doria, I-95125 Catania, Italy

[4] CSGI, 6 Viale A Doria, I-95125 Catania, Italy

来源：

PLASMA PROCESSES AND POLYMERS | 2016年 / 13卷 / 11期

关键词：

atmospheric plasma treatment; deuteration; oxidation; principal component analysis; ToF-SIMS molecular depth-profiling; PRINCIPAL COMPONENT ANALYSIS; ION MASS-SPECTROMETRY; PLASMA POLYMER-FILMS; TOF-SIMS; DISCHARGE; WATER; TIME; POLY(METHYLMETHACRYLATE); OXIDATION; SPECTRA;

D O I：

10.1002/ppap.201600061

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The injection of water vapor into ambient "open air" plasmas for the treatment of polymers represents a promising functionalization route for industrial and medical applications. The present study reports a scientist-independent methodology, based on the ToF-SIMS (time-of-flight secondary ion mass spectrometry) technique coupled with PCA/Wavelet-PCA (principal component analysis), to probe the (sub) surface chemical/structural modifications induced by an atmospheric Ar-D2O post-discharge on low density polyethylene (LDPE) films as a function of two external plasma parameters, namely sample-torch distance and treatment time. The SIMS characterization identifies two different families of samples (type I and II) as a function of time and distance. The highest reactivity of the D2O vapors with the LDPE films is achieved for times of few tens of seconds at a distance of 5 mm from the plasma source.

引用

页码：1106 / 1119

页数：14

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