IHS Chemical Week

EnviroTech :: Environment

U.S. Firm Develops Self Assembling Phosphonates to Replace Chromium 6 Coatings

10:28 AM MDT | September 8, 2009 | Alex Scott

Aculon (San Diego, CA), a producer of specialty chemicals, says it has developed a proprietary formulation that generates a self assembled monolayer of phosphonates (SAMP). The formulation may be used in a range of primers and conversion coatings to increase the adhesion of coatings to surfaces. SAMP replaces the use of hexavalent chromium (Cr+6)-a toxic substance-in many applications, the company says.   Cr+6 is a known human carcinogen and can cause kidney and liver damage, nasal, skin and stomach irritations, and convulsions. Exposure to high levels...

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