Self-repairing concrete having polyurethane polymer micro-capsules and method for fabricating the same
US8362113B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Feb 28, 2012 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Feb 28, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/72
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A self-repairing concrete includes a predetermined amount of concrete, micro-capsules and water being mixed together for a fixed function of micro-cracks, wherein a mass ratio of the concrete, micro capsules, and water is 100:1-15:15-50. The manufacturing method mixing water with micro-capsules until the micro-capsules are fully dispersed into the water; placing a mixture of water and micro-capsules in a stirring container and adding a predetermined amount of cement into the stirring mixture; stirring; and gradually adding filling into the concrete slurry into a mixing container and removing bubbles in the concrete slurry in the mixing container to form the self-repairing concrete.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.