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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0144147 (2013-12-30) |
등록번호 | US-9376609 (2016-06-28) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 352 |
Methods and compositions are disclosed that comprise interground perlite and hydraulic cement. An embodiment provides a composition comprising interground perlite and hydraulic cement. Another embodiment provides a composition comprising: interground unexpanded perlite and Portland cement, the inter
Methods and compositions are disclosed that comprise interground perlite and hydraulic cement. An embodiment provides a composition comprising interground perlite and hydraulic cement. Another embodiment provides a composition comprising: interground unexpanded perlite and Portland cement, the interground having a mean particle size of about 0.5 microns to about 10 microns; and water.
1. A composition consisting of: an interground mixture consisting of unexpanded perlite and Portland cement,wherein the interground mixture has a mean particle size between about 0.5 microns and about 10 microns,wherein the perlite is present in an amount of about 40% to about 80% by weight of the p
1. A composition consisting of: an interground mixture consisting of unexpanded perlite and Portland cement,wherein the interground mixture has a mean particle size between about 0.5 microns and about 10 microns,wherein the perlite is present in an amount of about 40% to about 80% by weight of the perlite and Portland cement,wherein the Portland cement is present in an amount of about 20% to about 60% by weight of the perlite and Portland cement; anda hydraulic cement blended with the interground mixture. 2. The composition of claim 1 wherein the interground mixture has a mean particle size of about 0.1 microns to about 400 microns. 3. A method of preparing a composition comprising: intergrinding components consisting of unexpanded perlite and Portland cement to form an interground mixture, wherein the perlite is present in an amount of about 40% to about 80% by weight of the perlite and Portland cement, and wherein the Portland cement is present in an amount of about 20% to about 60% by weight of the perlite and Portland cement; andcombining the interground mixture with at least one component comprising water to form the composition, wherein the water is present in an amount of about 100 percent to about 200 percent by weight of cementitious components present in the composition. 4. The method of claim 3 wherein the composition further comprises cement kiln dust. 5. The method of claim 3 wherein the comprises pumicite. 6. The method of claim 3 wherein the composition further comprises at least one additive selected from the group consisting of lime, fly ash, slag cement, metakaolin, shale, zeolite, crystalline silica, amorphous silica, fumed silica, salt, fiber, hydratable clay, microsphere, rice husk ash, elastomer, elastomeric particle, resin, latex, and any combination thereof. 7. The method of claim 3 wherein the Portland cement comprises least one of Class A, Class C, Class H, Class G, ASTM Type III, or ASTM Type V. 8. The method of claim 1 wherein the Portland cement comprises least one of Class A, Class C, Class H, Class G, ASTM Type III, or ASTM Type V. 9. A method of preparing a composition comprising: intergrinding components consisting of unexpanded perlite and Portland cement to form an interground mixture, wherein the interground mixture has a bimodal particle size distribution with a first peak from about 1 microns to about 7 microns and a second peak from about 7 microns to about 15 microns, wherein the interground mixture has mean particle size between about 0.5 microns and about 10 microns, wherein the perlite is present in an amount of about 40% to about 80% by weight of the perlite and Portland cement, and wherein the Portland cement is present in an amount of about 20% to about 60% by weight of the perlite and Portland cement;blending the interground mixture with hydraulic cement to form a mixture; andcombining the mixture with at least water to form the composition, wherein the water is present in an amount of about 100 percent to about 200 percent by weight of cementitious components present in the composition,wherein the composition has a density of about 8 pounds per gallon to about 13 pounds per gallon. 10. The method of claim 9 wherein the first peak of the bimodal particle size distribution is about 3 microns to about 5 microns, and wherein the second peak of the bimodal particle size distribution is about 9 microns to about 11 microns. 11. The method of claim 9 wherein the first peak of the bimodal particle size distribution is about 4 microns, and wherein the second peak of the bimodal particle size distribution is about 10 microns. 12. The method of claim 3, wherein the interground mixture has a bimodal particle size distribution with a first peak from about 1 microns to about 7 microns and a second peak from about 7 microns to about 15 microns. 13. The method of claim 3, wherein the interground mixture has mean particle size between about 0.5 microns and about 10 microns. 14. The composition of claim 3, further comprising blending the interground mixture with a hydraulic cement. 15. A composition consisting of: an interground mixture consisting of unexpanded perlite and Portland cement,wherein the interground mixture has a mean particle size between about 0.5 microns and about 10 microns,wherein the perlite is present in an amount of about 40% to about 80% by weight of the perlite and Portland cement,wherein the Portland cement is present in an amount of about 20% to about 60% by weight of the perlite and Portland cement;a hydraulic cement blended with the interground mixture; andat least one additive selected from the group consisting of a set retarding additive, a strength-retrogression additive, a set accelerator, a weighting agent, a lightweight additive, a gas-generating additive, a mechanical property enhancing additive, a lost-circulation material, a filtration-control additive, a dispersant, a fluid loss control additive, a defoaming agent, a foaming agent, an oil-swellable particle, a water-swellable particle, a thixotropic additive, and any combination thereof. 16. The composition of claim 15 wherein the interground mixture has a mean particle size of about 0.1 microns to about 400 microns. 17. The composition of claim 15 wherein the interground mixture has a bimodal particle size distribution with a first peak from about 1 microns to about 7 microns and a second peak from about 7 microns to about 15 microns. 18. The composition of claim 1 wherein the interground mixture has a bimodal particle size distribution with a first peak from about 1 microns to about 7 microns and a second peak from about 7 microns to about 15 microns.
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