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T. Laubender, J. Greene

Adding value to coatings by using unique organofunctional silicone hybrids

Polimery 2006, No 2, 138


Summary

The modification or replacement of polyurethane binders with unique amino and epoxy functional silicone hybrid coatings improves significantly the UV light and chemical resistance of industrial, shipbuilding and architectural coatings. In particular the upgrading of standard epoxy-amine coatings with new silicone hybrids improves the performance to that of urethane technologies. The replacement of Si-O-C bond with Si-C-C bond in silicone hybrids increases the weather resistance and the coatings ability to withstand exposure to harsh chemicals such as sulfuric acid, phosphoric acid, hydrochloric acid and ammonium hydroxide. In addition, the unique structure of organofunctional silicone hybrids increases the coatings resistance to graffiti, dirt pick-up and biological growth.


Key words: hybrid silicones with organic functional groups, crosslinking, weathering resistance, chemical resistance


e-mail: thomas.laubender@wacker.com


T. Laubender, J. Greene

Adding value to coatings by using unique organofunctional silicone hybrids