Iron coating acrylic

Uses Wetting agenL dispersant for org. pigments, carbon bik. magnetic media, iron oxides for nonaq. systems, paints/coatings, alkyd, acrylic, epoxy, urethane, polyester, lacquers, printing inks, textiles resinous/polymeric food-contact coatings food-contact paper/papetboard cellophane for food pkg. 

Figure 5.2 Micrographs of metal-coated lipid tubules. Top panel shows scanning electron micrograph of copper-plated microtubules (bar = 2.0 (Jim), while bottom panel shows optical micrograph of iron-coated microtubules embedded in acrylic-urethane clear coating (bar = 25 p,m). Reprinted from Ref. 135 with permission of Wiley-VCH.

The low metal loss figures for the chlorine containing vinyl acrylic system noted above were supported by analytical measurements of iron pick-up in coatings on grit blasted Q panels. Under constant immersion in 3J NaCl the iron pick-up, equivalent to 0.13 micron metal loss, remained virtually unchanged after 14 days over the 63 days exposure. However, the acrylic system had an equivalent metal loss of 0.55 micron at 14 days which increased steadily to 1.43 microns at 63 days. 

Most of the materials that we have discussed—glass, stainless steel, aluminum, brass, plastics—require no protective coating. Parts made of mild steel, welded angle iron, or pl3Twood should be given a coat of paint, which is most conveniently done using du Pont Krylon acrylic aerosol sprays. Clear polymer varnishes and Teflon coatings can also be applied in spray or liquid form. 

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