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Protection in an aggressive environment

All polymer materials continuously degrade under environmental action. Ion implantation can increase the resistance of polymers against degradation by aggressive environmental agents. The oxidation index of a polyethylene film in open air can be reduced six fold resulting in significant protection of its mechanical strength. Ion surface modification can also be useful for polymers used in the presence of chemically aggressive media due to additional crosslinking in the surface layer. In this case, the modification of a thin surface layer by ion implantation cannot prevent complete degradation of the polymer, but some negative effects following the degradation process can be prevented. For example, the ...

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