US 11,655,187 B2
Curable formulations for structural and non-structural applications
Mark R. Lukkarila, Belle Plaine, MN (US); Kevin A. MacDonald, Savage, MN (US); Sam F. Marshall, Hidden Hills, CA (US); and Matthew D. Spencer, New York, NY (US)
Assigned to Partanna Global, Inc., Rancho Santa Fe, CA (US)
Filed by MSB Global, Inc., Greenwich, CT (US)
Filed on Feb. 19, 2021, as Appl. No. 17/180,580.
Application 17/180,580 is a continuation of application No. 17/006,426, filed on Aug. 28, 2020, granted, now 11,008,252.
Application 17/006,426 is a continuation of application No. 16/831,748, filed on Mar. 26, 2020, granted, now 10,759,697, issued on Sep. 1, 2020.
Claims priority of provisional application 62/938,307, filed on Nov. 20, 2019.
Claims priority of provisional application 62/859,741, filed on Jun. 11, 2019.
Prior Publication US 2021/0347692 A1, Nov. 11, 2021
Int. Cl. C04B 9/04 (2006.01); C04B 18/06 (2006.01); C04B 9/02 (2006.01); C04B 103/10 (2006.01); C04B 111/26 (2006.01)
CPC C04B 9/04 (2013.01) [C04B 9/02 (2013.01); C04B 18/067 (2013.01); C04B 2103/10 (2013.01); C04B 2111/26 (2013.01)] 20 Claims
 
1. A curable mixture configured to set in the presence of water, the mixture comprising:
magnesium oxide; and
at least one first accelerant, wherein the at least one first accelerant comprises magnesium chloride in the form of MgCl2.6H2O or magnesium nitrate in the form of Mg(NO3)2.6H2O;
at least one second accelerant, the at least one second accelerant is different than the at least one first accelerant, wherein a proportion by weight of the at least one second accelerant is equal to or less than 2% of a proportion of magnesium oxide by weight of the mixture;
wherein a proportion by weight of MgCl2.6H2O or Mg(NO3)2.6H2O is 80% to 120% of the proportion of magnesium oxide by weight of the mixture;
wherein the mixture does not include Portland cement or gypsum;
wherein the 7-day strength of the mixture once combined with water and permitted to cure is at least 6000 psi; and
wherein the 1-day strength of the mixture once combined with water and permitted to cure is at least 4000 psi.