THE FREE RADICAL PROCESS FOR THE POLYMER SURFACE TREATED BY RADIO FREQUENCY PLASMA

Ma Yuguang; Yang Meiling; Shen Jiacong; Zheng Yingguang

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THE FREE RADICAL PROCESS FOR THE POLYMER SURFACE TREATED BY RADIO FREQUENCY PLASMA

更新时间：2023-04-23

- THE FREE RADICAL PROCESS FOR THE POLYMER SURFACE TREATED BY RADIO FREQUENCY PLASMA
- Journal of Radiation Research and Radiation Processing Vol. 10, Issue 3, Pages: 147-151(1992)
- 作者机构：
  
  1.吉林大学，长春
- 作者简介：
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Ma Yuguang, Yang Meiling, Shen Jiacong, et al. THE FREE RADICAL PROCESS FOR THE POLYMER SURFACE TREATED BY RADIO FREQUENCY PLASMA. [J]. Journal of Radiation Research and Radiation Processing 10(3):147-151(1992)
DOI：

Ma Yuguang, Yang Meiling, Shen Jiacong, et al. THE FREE RADICAL PROCESS FOR THE POLYMER SURFACE TREATED BY RADIO FREQUENCY PLASMA. [J]. Journal of Radiation Research and Radiation Processing 10(3):147-151(1992) DOI：

摘要

以电子自旋共振波谱仪（ESR）为主要手段，研究了聚乙烯等五种聚合物等离子体改性过程中表面自由基的生成及转化。等离子体辐照的聚合物首先在表面生成烷基自由基，当与空气接触时，烷基自由基转化成过氧化自由基，在聚合物表面引入极性基团是通过过氧化自由基的反应完成的。

Abstract

In this article, the formation and translation of the free radicals on the polymer surface treated by plasmas were studied and observed by ESR measurement. The results show that C-C bond split was main reaction in the process of the polymer irradiated by plasma, by which a stable alkyl free radical was formed. When alkyl free radical contacted with air, they translate into peroxide radical instantaneously. The peroxide radical was not as stable as radical in vacuum, they can react each other to form some polar-groups on polymer surface. The interaction between the peroxide free radical and polymer chain was correlative not only to the structure of polymer but also to the molecular motion of the polymer chain. The nature of plasma treating polymer surface was that the peroxide radicals were led onto polymer surface.

关键词

低温等离子体聚合物聚乙烯表面改性自由基过程

Keywords

Low temperature plasmaPolymerpolyethyleneSurface treatedFree radical proceed

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