T1602-2-5 プラズマ処理によるCIIRとステンレス鋼の付着力低減メカニズムの解明([T1602-2]マイクロナノ理工学:nmからmmまでの表面制御とその応用(2))

概要

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Adhesion between rubber products and metal parts is often the main reason for machine trouble. In our previous work, it was demonstrated that the adhesion between chloride-isobutene-isoprene rubber(CIIR), a kind of medical rubber, and stainless-steel can be decreased drastically by using Ar plasma treatment. The main reason for the adhesion decrease was shown to be the increase of Young's modulus of the rubber surface, which lead to the decrease of the real contact area between the CIIR and steel. In this work, the effect of initial vulcanizing grades of CIIR and molecular structure of rubber on the effect of Ar plasma treatment was investigated. However, these factors did not have significant effect on the adhesion decrease with plasma treatment. Thus, it was considered that not vulcanizing with sulfur but direct linking between carbon atoms occurs with Ar plasma treatment; furthermore, such C-C bonds were considered to generate not at a specific point but at any points of the molecular chain for all the rubbers employed.
一般社団法人日本機械学会の論文
2010-09-04