Abstract
The adhesion-in-peel test was used to determine peel strength and adhesion characteristics of a cured-in-place silicone elastomeric joint sealant on aluminum substrates. The sealant used was a Dow Corning Type 3145 RTV Adhesive Sealant. The results showed that the silicone sealant had poor adhesive bonding to the untreated aluminum. Plasma polymerization of hexamethyldisiloxane (HMDS) onto the aluminum was seen to move the locus of adhesive failure to being between the plasma film and the silicone. Plasma polymerization of HMDS with oxygen carrier gas produced excellent adhesion and cohesive failure in the silicone was observed.
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Costantino, G., Zeik, D.B. & Clarson, S.J. Improvement of the adhesion of silicone to aluminum using plasma polymerization. J Inorg Organomet Polym 4, 425–430 (1994). https://doi.org/10.1007/BF00683706
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DOI: https://doi.org/10.1007/BF00683706