ENVIRONMENTAL ANTI-CORROSIVE ADDITIVES BASED ON POLY(ALKYLTHIOPHENE ACETATES) EASILY DISPERSIBLE IN PRIMING PAINTS FOR METAL SURFACES
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United States of America Patent
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Issued Date -
Jul 26, 2012
app pub date -
Dec 14, 2010
filing date -
Dec 14, 2010
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Abstract
The present invention relates to poly[2,2′-(3-alkyl-acetate)thiophene] polythiophenes of linear C1-C12 alkyls of formula (I) which are easily dispersible in alkyd and epoxy type paints, and the addition of 1% of the electroconductive polymer allows the use thereof as anti-corrosive additives and as anti-corrosion microparticles of regulatable properties. The addition of 1% of electroconductive poly[2,2′-(3-methylacetate)thiophene] (PTE) polymer in the alkyd and epoxy priming paint substantially improves the adherence, blistering and resistance to corrosion properties of steel, especially in marine and industrial environments, even with performances better than other polyaniline-based conductive polymers.
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