Back to results
US 11,230,498 B2Granted
Ceramic panel including slag and stone dust
AssigneesHaewonmsc Co., Ltd, Hae Sik Lee
InventorHae Sik Lee
Life of this patent
Estimating the term…
Abstract
A radon-free ceramic panel includes a mixture including two or more types of stone dust selected from among granite, basalt, limestone, dolomite, elvan, black stone, feldspar, and sandstone, along with waste slag and a non-phenolic adhesive. The ceramic panel is lightweight and has excellent fire resistance, heat insulation, corrosion resistance, water resistance, and ability to act as a bather to radon gas.
Claims1
A ceramic panel comprising:
- a mixture including slag and two or more stone dust selected from among granite, basalt, limestone, dolomite, elvan, black stone, feldspar, and sandstone;
- and
- a non-phenolic adhesive,
- wherein the non-phenolic adhesive includes resin beads having a urethane acrylate resin and a polyamide resin,
- wherein the urethane acrylate resin and the polyamide resin are at a weight ratio of 1:1 to 5:1,
- wherein the mixture includes the slag and the two or more stone dust mixed at a weight ratio of 3:7 to 5:5, and
- wherein the mixture is a fiberized material having a density of 80 to 100 kg/m3, and the ceramic panel has a thickness of 5 to 30 mm and a density of 600 to 1,500 kg/m3.
4 more elements
Dependencies are inferred from the claim text.