	US 12,012,365 B2
	Mitigation of corrosion in carbonated concrete based on low-calcium silicate cement
Jitendra Jain, Edison, NJ (US); Anuj Seth, East Brunswick, NJ (US); Vahit Atakan, Princeton, NJ (US); Ahmet Cuneyt Tas, Piscataway, NJ (US); and Sadanada Sahu, Tallahassee, FL (US)
Assigned to SOLIDIA TECHNOLOGIES, LTD., San Antonio, TX (US)
Filed by Solidia Technologies, Inc., Piscataway, NJ (US)
Filed on Feb. 22, 2019, as Appl. No. 16/283,460.
Claims priority of provisional application 62/634,035, filed on Feb. 22, 2018.
Prior Publication US 2019/0256415 A1, Aug. 22, 2019
Int. Cl. C04B 14/04 (2006.01); C04B 7/02 (2006.01); C04B 14/30 (2006.01); C04B 14/34 (2006.01); C04B 28/02 (2006.01); C04B 28/08 (2006.01); C04B 40/00 (2006.01); C04B 40/02 (2006.01); C04B 28/18 (2006.01); C04B 103/00 (2006.01); C04B 103/61 (2006.01); C04B 103/65 (2006.01); C04B 111/00 (2006.01); C04B 111/26 (2006.01)

CPC C04B 7/02 (2013.01) [C04B 14/043 (2013.01); C04B 14/304 (2013.01); C04B 14/34 (2013.01); C04B 28/021 (2013.01); C04B 28/082 (2013.01); C04B 40/006 (2013.01); C04B 40/0231 (2013.01); C04B 28/188 (2013.01); C04B 2103/0014 (2013.01); C04B 2103/61 (2013.01); C04B 2103/65 (2013.01); C04B 2111/00517 (2013.01); C04B 2111/26 (2013.01); C04B 2201/52 (2013.01); Y02P 40/18 (2015.11); Y02W 30/91 (2015.05)]

16 Claims

1. A carbonated composite material, comprising

a bonding matrix comprising a plurality of bonding elements; and

a plurality of pores comprising a pore solution having a pH greater than about 9.5,

wherein each bonding element comprises

a core, wherein the core comprises of a carbonatable material,

a first silica-rich layer that at least partially covers some peripheral portion of the core, and

a second calcium and/or magnesium carbonate-rich layer that at least partially covers some peripheral portion of the first silica-rich layer; and

wherein the carbonated composite material has a compressive strength of 3,500 psi or greater.