Large diameter slag wool, composition and method of making same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C03B-001/00
C04B-035/80
C04B-035/622
E04B-009/04
E04B-001/84
출원번호
US-0189662
(2016-06-22)
등록번호
US-9796635
(2017-10-24)
발명자
/ 주소
Luan, Wenqi
Brown, Martin
Keller, Tanya
Hill, Mike
Bogen, Scott A.
Figi, Carlos
Frank, William
출원인 / 주소
USG INTERIORS, LLC
대리인 / 주소
Marshall, Gerstein & Borun LLP
인용정보
피인용 횟수 :
2인용 특허 :
38
초록▼
The disclosure provides a slag wool composition including about 60 to about 80 wt. % blast furnace slag and about 20 to about 40 wt. % basalt, based on the total weight of the inorganic raw materials, wherein the composition has an A/B ratio in a range of about 1.20 to about 1.70. The disclosure fur
The disclosure provides a slag wool composition including about 60 to about 80 wt. % blast furnace slag and about 20 to about 40 wt. % basalt, based on the total weight of the inorganic raw materials, wherein the composition has an A/B ratio in a range of about 1.20 to about 1.70. The disclosure further provides a slag wool produced using the slag wool composition of the disclosure, wherein the slag wool has a fiber diameter in a range of about 4.0 microns to about 10.0 microns. The disclosure further provides a method for the manufacture of slag wool.
대표청구항▼
1. A slag wool composition comprising: about 60 wt. % to about 80 wt. % blast furnace slag; andabout 20 wt. % to about 40 wt. % basalt, based on the total weight of the inorganic raw materials;wherein the composition has an A/B ratio in a range of about 1.20 to about 1.70 wherein the basalt comprise
1. A slag wool composition comprising: about 60 wt. % to about 80 wt. % blast furnace slag; andabout 20 wt. % to about 40 wt. % basalt, based on the total weight of the inorganic raw materials;wherein the composition has an A/B ratio in a range of about 1.20 to about 1.70 wherein the basalt comprises about 47.5 wt. % to about 49.5 wt. % SiO2, about 8.4 wt. % to about 9.5 wt. % CaO, about 5.9 wt. % to about 7.0 wt. % MgO, about 14.5 wt. % to about 15.5 wt. % Al2O3, about 13.0 wt. % to about 14.0 wt. % Fe2O3, about 2.0 wt. % to about 3.0 wt. % Na2O, about 0.15 wt. % to about 0.25 wt. % P2O5, about 0.55 wt. % to about 0.85 wt. % K2O, about 1.65 wt. % to about 2.00 wt. % TiO2, about 0.15 wt. % to about 0.25 wt. % Mn2O3, up to about 0.01 wt. % SO3, about 0.02 wt. % to about 0.04 wt. % SrO, about 0.01 wt. % to about 0.03 wt. % Cr2O3, about 0.01 wt. % to about 0.03 wt. % ZnO, and about 0.02 wt. % to about 0.04 wt. % BaO. 2. The slag wool composition of claim 1, wherein the composition has an A/B ratio in a range of about 1.25 to about 1.65. 3. The slag wool composition of claim 1, wherein the composition has an A/B ratio in a range of about 1.25 to about 1.60. 4. The slag wool composition of claim 1, consisting essentially of the blast furnace slag and the basalt. 5. A slag wool composition comprising: about 60 wt. % to about 80 wt. % blast furnace slag; andabout 20 wt. % to about 40 wt. % basalt, based on the total weight of the inorganic raw materials;wherein the composition has an A/B ratio in a range of about 1.20 to about 1.70, wherein the blast furnace slag comprises about 35.0 wt. % to about 40.5 wt. % SiO2, about 35.5 wt. % to about 40.6 wt. % CaO, about 10.3 wt. % to about 11.4 wt. % MgO, about 8.4 wt. % to about 9.8 wt. % Al2O3, about 0.2 wt. % to about 0.3 wt. % Fe2O3, about 0.1 wt. % to about 0.3 wt. % Na2O, up to about 0.01 wt. % P2O5, about 0.3 wt. % to about 0.5 wt. % K2O, about 0.2 wt. % to about 0.5 wt. % TiO2, about 0.15 wt. % to about 0.55 wt. % Mn2O3, about 0.3 wt. % to about 1.2 wt. % SO3, about 0.04 wt. % to about 0.06 wt. % SrO, up to about 0.01 wt. % Cr2O3, up to about 0.01 wt. % ZnO, and about 0.03% to about 0.05 wt. % BaO. 6. The slag wool composition of claim 5, wherein the composition has an A/B ratio in a range of about 1.25 to about 1.65. 7. The slag wool composition of claim 5, wherein the composition has an A/B ratio in a range of about 1.25 to about 1.60. 8. A slag wool produced using the composition of claim 5, wherein the slag wool has a fiber diameter in a range of about 4.0 microns to about 10.0 microns. 9. A slag wool produced using the composition of claim 1, wherein the slag wool has a fiber diameter in a range of about 4.0 microns to about 10.0 microns. 10. The slag wool of claim 9, wherein the slag wool has a shot content of about 50% or less. 11. The slag wool of claim 9, wherein the slag wool has a shot content of about 45% or less. 12. The slag wool of claim 9, wherein the slag wool has a shot content of about 40% or less. 13. The slag wool of claim 9, wherein the slag wool has an A/B ratio in a range of 1.20 to about 1.70. 14. The slag wool of claim 9, wherein the composition has an A/B ratio in a range of about 1.25 to about 1.65. 15. The slag wool of claim 9, wherein the composition has an A/B ratio in a range of about 1.25 to about 1.60. 16. The slag wool of claim 9, wherein the slag wool has a shot content of about 50% or less. 17. The slag wool of claim 9, wherein the slag wool has a shot content of about 40% or less. 18. The slag wool of claim 9, wherein the slag wool has an A/B ratio in a range of 1.20 to about 1.70. 19. A method for the manufacture of slag wool, comprising: providing a composition comprising about 60 wt. % to about 80 wt. % blast furnace slag and about 10 wt. % to about 40 wt. % basalt, based on the total weight of the inorganic raw materials, such that the composition has an A/B ratio in a range of about 1.20 to about 1.70; heating the composition in a cupola or open furnace, further comprising providing coke such that the weight ratio of blast furnace slag and basalt to coke ((blast furnace slag+basalt)/coke) is about 6.9. 20. The method of claim 19, wherein the composition has an A/B ratio in a range of 1.25 to about 1.65. 21. The method of claim 19, wherein the composition has an A/B ratio in a range of 1.25 to about 1.60. 22. The method of claim 19, wherein the composition consists essentially of the blast furnace slag and the basalt. 23. The method of claim 14, wherein the blast furnace slag comprises about 35.0 wt. % to about 40.5 wt. % SiO2, about 35.5 wt. % to about 40.6 wt. % CaO, about 10.3 wt. % to about 11.4 wt. % MgO, about 8.4 wt. % to about 9.8 wt. % Al2O3, about 0.2 wt. % to about 0.3 wt. % Fe2O3, about 0.1 wt. % to about 0.3 wt. % Na2O, up to about 0.01 wt. % P2O5, about 0.3 wt. % to about 0.5 wt. % K2O, about 0.2 wt. % to about 0.5 wt. % TiO2, about 0.15 wt. % to about 0.55 wt. % Mn2O3, about 0.3 wt. % to about 1.2 wt. % SO3, about 0.04 wt. % to about 0.06 wt. % SrO, up to about 0.01 wt. % Cr2O3, up to about 0.01 wt. % ZnO, and about 0.03% to about 0.05 wt. % BaO. 24. The method of claim 19, wherein the basalt comprises about 47.5 wt. % to about 49.5 wt. % SiO2, about 8.4 wt. % to about 9.5 wt. % CaO, about 5.9 wt. % to about 7.0 wt. % MgO, about 14.5 wt. % to about 15.5 wt. % Al2O3, about 13.0 wt. % to about 14.0 wt. % Fe2O3, about 2.0 wt. % to about 3.0 wt. % Na2O, about 0.15 wt. % to about 0.25 wt. % P2O5, about 0.55 wt. % to about 0.85 wt. % K2O, about 1.65 wt. % to about 2.00 wt. % TiO2, about 0.15 wt. % to about 0.25 wt. % Mn2O3, up to about 0.01 wt. % SO3, about 0.02 wt. % to about 0.04 wt. % SrO, about 0.01 wt. % to about 0.03 wt. % Cr2O3, about 0.01 wt. % to about 0.03 wt. % ZnO, and about 0.02 wt. % to about 0.04 wt. % BaO.
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