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특허 상세정보

Composition for high performance glass fibers and fibers formed therewith

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C03C-013/06    C03C-013/00    C03C-003/085   
미국특허분류(USC) 501/036; 501/035; 501/069
출원번호 US-0344130 (2008-12-24)
등록번호 US-8252707 (2012-08-28)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Calfee, Halter & Griswold LLP
인용정보 피인용 횟수 : 4  인용 특허 : 81
초록

A composition for the manufacture of high strength glass fibers suitable for manufacture in both precious metal lined furnaces and refractory lined glass melter is disclosed. The glass composition of the present invention includes 62-68 weight % SiO2, 22-26 weight % Al2O3, 8-15 weight % MgO and 0.1 to 3.0 weight % Li2O. One suitable composition of the present invention includes 64-66.5 weight percent SiO2, 23-24.5 weight percent Al2O3, 9-11 weight percent MgO and 0.3-0.35 weight percent Li2O. Another suitable composition includes 66.5 weight percent SiO2...

대표
청구항

1. A high strength glass fiber comprising: 62-68 weight percent SiO2;22-26 weight percent Al2O3;8-11.1 weight percent MgO;0.1-3.0 weight percent Li2O; andless than 2 weight percent CaO, wherein said fiber has a pristine fiber tensile strength greater than 700 KPSI and a fiberizing temperature less than about 2650° F. 2. The high strength glass fiber of claim 1, further comprising: less than about 3 weight percent total of one or more compounds selected from the group consisting of P2O5, ZnO, ZrO2, SrO, BaO, S03 F2, B2O3, TiO2 and Fe2O3. 3. The high stren...

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