Effect of diamond-like carbon thin film deposition on the resistance of polycarbonate to radiation-induced degradation

被引：17
|
作者：
Park, KJ [1 ]
Chin, EY
机构：
[1] Korea Atom Energy Res Inst, Taejon 350600, South Korea
[2] Ajou Univ, Dept Mat Engn, Suwon 442749, South Korea
来源：
POLYMER DEGRADATION AND STABILITY | 2000年 / 68卷 / 01期
关键词：
Compendex;
D O I：
10.1016/S0141-3910(99)00170-6
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The effects of high-energy gamma irradiation on the characteristics of polycarbonate specimens (Lexan plate) deposited with a thin film of diamond-like carbon (DLC) were investigated. A plasma enhanced CVD method was adopted in depositing a thin DLC film on the polycarbonate specimens. Both specimens, with DLC film and without it, were exposed to the gamma radiation emitted from a Co-60 source to the level of 10(6) rad for comparing their properties. The concentration of free radicals in the undeposited specimen rapidly decreased to 4.4% of the initial value, while that in the specimen deposited with DLC him remained at 60%. It is suggested that DLC inhibits the oxidation reaction between free radicals and oxygen in the surrounding air. This study shows experimental evidence that the resistance to radiation-induced oxidation of a polymer can be enhanced by depositing a thin layer of DLC. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：93 / 96
页数：4
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