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What technologies are available to formulate coatings for green concrete?

Dilip Shah
Group Leader Civil Engineering Applications Epoxy Additives

Market trends continue to push for a faster return to service for recently poured, or "green," concrete. To date, few options have been available, and traditional formulations have up to a 95% concrete failure in standard bond strength testing.

Recent development efforts have shown that flooring systems incorporating Air Products' waterborne Anquamine® 701 curing agent exhibit excellent adhesion to green concrete just 24 hours after the concrete was poured (as compared to the 28-day wait to use traditional coating systems).

Anquamine 701 curing agent-based formulations have great mechanical properties and hardness development, as well as excellent handling properties and a good balance of working life and drying speed over a range of application temperatures. The unique property of breathability is possible over both well-cured and green concrete because Anquamine 701 curing agent enables the flooring system to be semipermeable, thereby allowing moisture to evaporate out of the concrete. The curing agent is effective in both primer and topcoat systems for self-leveling concrete floors and provides rapid drying times 2 to 5 times faster than conventional waterborne technology.
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