Patent ID: 11912927
Assignee: BROOKHAVEN SCIENCE ASSOCIATES, LLC
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  Y | IPC C

Claim 9:
10. A well cement composite comprising:
a mixture of calcium aluminate cement (CAC) and fly ash cenospheres (CS) in a weight ratio of from 30:70 to 80:20 CAC to CS;
sodium metasilicate (SMS) in an amount of from 1 to 10% of the total weight of the mixture of CAC and CS;
a siloxane with at least one hydrophobic functional group in an amount of from 0.5 to 6.0% of the total weight of the mixture of CAC and CS; and
water in a weight ratio of from 0.5:1.0 to 1.2:1.0 of water to CAC and CS.