Hexamethyl disiloxane plasma

Figure 9 shows the pH dependence of electro-osmosis in l mM NaCl for three plasma polymer surfaces having different functional characteristics. The respective surfaces of Fig. 9 are plasma polymerized acrylic acid, hexamethyl-disiloxane (HMDSO), and l, 2-diaminocyclohexane (DACH). It is evident from the figure that these surfaces have very different electrokinetic surface properties. This surface titration clearly distinguishes the acid-base properties of the respective surfaces. 

The adhesion-in-peel test was used to determine peel strength and adhesion characteristics of a cured-in-place silicone elastomeric joint sealant on aluminium substrates. The sealant used was Dow Corning Type 3145 RTV Adhesive Sealant. The results showed that the silicone sealant had poor adhesive bonding to the untreated aluminium. Plasma polymerisation of hexamethyl-disiloxane(HMDS) onto the aluminium was shown to move the locus of adhesive failure to between the plasma film and the silicone. Plasma polymerisation of HMDS... 

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