초록 ▼

Disclosed is a composite material including from about 50 wt % to about 75 wt % (based on the total weight of the composite material) of inorganic material, wherein the inorganic material includes from about 30 wt % to about 50 wt % (based on weight of the inorganic material) of a first inorganic fi

Disclosed is a composite material including from about 50 wt % to about 75 wt % (based on the total weight of the composite material) of inorganic material, wherein the inorganic material includes from about 30 wt % to about 50 wt % (based on weight of the inorganic material) of a first inorganic filler having an average particle size ranging from about 0.5 mm to about 5 mm; and from about 50 wt % to about 70 wt % (based on weight of the inorganic filler) of a second inorganic filler having an average particle size ranging from 0.02 mm to about 0.1 mm; and from about 25 wt % to about 50 wt % (based on total weight of the composite material) of a thermosetting polymeric resin.

대표청구항 ▼

What is claimed is: 1. A composite material comprising: from about 50 wt % to about 75 wt % (based on total weight of the composite material) of inorganic material, wherein the inorganic material comprises from about 30 wt % to about 50 wt % (based on weight of the inorganic material) of a first in

What is claimed is: 1. A composite material comprising: from about 50 wt % to about 75 wt % (based on total weight of the composite material) of inorganic material, wherein the inorganic material comprises from about 30 wt % to about 50 wt % (based on weight of the inorganic material) of a first inorganic filler having an average particle size ranging from about 0.5 mm to about 5 mm; and from about 50 wt % to about 70 wt % (based on weight of the inorganic filler) of a second inorganic filler having an average particle size ranging from 0.02 mm to about 0.1 mm, and from about 25 wt % to about 50 wt % (based on total weight of the composite material) of a thermosetting polymeric resin. 2. The composite material of claim 1, wherein the first inorganic filler has an average particle size ranging from about 0.5 mm to about 3 mm; and the second inorganic filler has an average particle size ranging from about 0.03 mm to about 0.08 mm. 3. The composite material of claim 1, wherein the first inorganic filler has an average particle size ranging from about 0.6 mm to about 2.5 mm; and the second inorganic filler has an average particle size ranging from about 0.04 mm to about 0.075 mm. 4. The composite material of claim 1, wherein the thermosetting polymeric resin is selected from the group consisting of vinyl ester resins, unsaturated polyester resins, epoxy resins, and combinations thereof. 5. The composite material of claim 1, wherein the thermosetting polymeric resin is a vinyl ester resin. 6. The composite material of claim 1, wherein the first and second inorganic fillers comprises a mineral. 7. The composite material of claim 6, wherein the first and second inorganic fillers independently comprise a mineral selected from the group consisting of magnesium sulfate, calcium sulfate, strontium sulfate, barium sulfate, and combinations thereof. 8. The composite material of claim 6, wherein the first and second inorganic fillers comprises barium sulfate. 9. The composite material of claim 1, wherein the first and second inorganic fillers independently comprise a mineral selected from the group consisting of crystalline silica, amorphous silica, mica, glass, ceramics, magnesium sulfate, calcium sulfate, strontium sulfate, barium sulfate, and combinations thereof. 10. The composite material of claim 1, comprising from about 60 wt % to about 75 wt % (based on total weight of the composite material) of inorganic material, and from about 25 wt % to about 40 wt % (based on total weight of the composite material) of a thermosetting polymeric resin. 11. The composite material of claim 1, comprising from about 65 wt % to about 72 wt % (based on total weight of the composite material) of inorganic material, and from about 28 wt % to about 45 wt % (based on total weight of the composite material) of a thermosetting polymeric resin. 12. The composite material of claim 11, wherein the first inorganic filler has an average particle size ranging from about 0.5 mm to about 3 mm; and the second inorganic filler has an average particle size ranging from about 0.03 mm to about 0.08 mm. 13. The composite material of claim 11, wherein the first inorganic filler has an average particle size ranging from about 0.6 mm to about 2.5 mm; and the second inorganic filler has an average particle size ranging from about 0.04 mm to about 0.075 mm. 14. A composite material comprising: from about 40 wt % to about 60 wt % (based on total weight of the composite material) of inorganic material, wherein the inorganic material comprises from about 30 wt % to about 50 wt % (based on weight of the inorganic material) of a first inorganic filler having an average particle size ranging from about 0.5 mm to about 5 mm; and from about 50 wt % to about 70 wt % (based on weight of the inorganic filler) of a second inorganic filler having an average particle size ranging from 0.02 mm to about 0.1 mm, and from about 40 wt % to about 60 wt % (based on total weight of the composite material) of a thermosetting polymeric resin. 15. The composite material of claim 14, wherein the first inorganic filler has an average particle size ranging from about 0.5 mm to about 3 mm; and the second inorganic filler has an average particle size ranging from about 0.03 mm to about 0.08 mm. 16. The composite material of claim 14, wherein the first inorganic filler has an average particle size ranging from about 0.6 mm to about 2.5 mm; and the second inorganic filler has an average particle size ranging from about 0.04 mm to about 0.075 mm. 17. The composite material of claim 14, wherein the thermosetting polymeric resin is selected from the group consisting of vinyl ester resins, unsaturated polyester resins, epoxy resins, and combinations thereof. 18. The composite material of claim 14, wherein the thermosetting polymeric resin is a vinyl ester resin. 19. The composite material of claim 14, wherein the first and second inorganic fillers comprises a mineral. 20. The composite material of claim 19, wherein the first and second inorganic fillers independently comprise a mineral selected from the group consisting of magnesium sulfate, calcium sulfate, strontium sulfate, barium sulfate, and combinations thereof. 21. The composite material of claim 19, wherein the first and second inorganic fillers comprises barium sulfate. 22. The composite material of claim 14, wherein the first and second inorganic fillers independently comprise a mineral selected from the group consisting of crystalline silica, amorphous silica, mica, glass, ceramics, magnesium sulfate, calcium sulfate, strontium sulfate, barium sulfate, and combinations thereof.