Physico-chemical characterization of the effect of excimer laser irradiation on PMMA thin films

被引：18

作者：

Beauvois, S ^{[1
]}

Renaut, D ^{[1
]}

Lazzaroni, R ^{[1
]}

Laude, LD ^{[1
]}

Bredas, JL ^{[1
]}

机构：

[1] UNIV MONS, CTR RECH ELECT & PHOTON MOL, SERV CHIM MAT NOUVEAUX, B-7000 MONS, BELGIUM

来源：

APPLIED SURFACE SCIENCE | 1997年 / 109卷

关键词：

D O I：

10.1016/S0169-4332(96)00748-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We study the cross-linking process taking place in poly(methylmethacrylate) upon irradiation at 248 nm with an excimer laser. The physical and chemical properties of the irradiated polymer are traced with FTIR spectroscopy, UV-visible spectrophotometry, and differential scanning calorimetry. In particular, the evolution of the glass transition temperature is examined as a function of the total energy deposited on the polymer surface. It appears that there occurs a competition between a cross-linking reaction and a photodegradation reaction.

引用

页码：218 / 221

页数：4

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