U.S. 8,128,998 B2
Ecolab USA Inc. has been granted a patent for an autohardenable polyurethane floor coating comprised of approximately 0.001% - 0.01% weight ultrafine zinc oxide having an average particle diameter or average crystallite size of approximately 10- 200 nm to decrease the coating tack-free time and to provide a pot life time of at least 1 hour suitable for use as a job-site applied floor coating having a thickness of greater than 5 μm.
Ecolab patents polyurethane coating cure enhancement
Published July 24, 2012
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