Green sealing material for karst flowing water, and preparation method and use thereof
US12276076B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2024 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | Nov 26, 2044 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D3/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Provided are a green sealing material for karst flowing water, and a preparation method and use thereof. The green sealing material includes a component A and a component B, with a volume ratio of the component A to the component B being in a range of 4:1 to 5:1; where the component A includes in parts by weight: 40 parts to 50 parts of a sulphoaluminate cement, 10 parts to 15 parts of a light-burned magnesium oxide, 1 part to 4 parts of boric acid, and 40 parts to 50 parts of water; and the component B includes in parts by weight: 0.2 parts to 0.4 parts of hydroxypropyl methylcellulose, 0.1 parts to 0.5 parts of polyacrylamide, 15 parts to 30 parts of potassium dihydrogen phosphate, 0.2 parts to 0.4 parts of triethanolamine, 0.5 parts to 1 part of lithium carbonate, and 80 parts to 100 parts of water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.