Hydraulic cements comprising carbonate compound compositions
First Claim
1. A settable cement composition, comprising greater than 75% w/w crystalline carbonate comprising vaterite wherein said composition upon combination with water, setting, and hardening has a compressive strength in a range of 20-70 MPa wherein said composition comprises strontium in an amount ranging from 3 to 10,000 ppm and wherein said composition is a dry particulate composition.
2 Assignments
0 Petitions
Accused Products
Abstract
Hydraulic cement compositions that include a carbonate compound composition, e.g., a salt-water derived carbonate compound composition containing crystalline and/or amorphous carbonate compounds, are provided. Also provided are methods of making and using the hydraulic cements, as well as settable compositions, such as concretes and mortars, prepared therefrom. The cements and compositions produced therefrom find use in a variety of applications, including use in a variety of building materials and building applications.
194 Citations
16 Claims
- 1. A settable cement composition, comprising greater than 75% w/w crystalline carbonate comprising vaterite wherein said composition upon combination with water, setting, and hardening has a compressive strength in a range of 20-70 MPa wherein said composition comprises strontium in an amount ranging from 3 to 10,000 ppm and wherein said composition is a dry particulate composition.
Specification