Glass composition for glass fiber, glass fiber, and glass fiber sheet
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C03C-013/00
C03C-013/06
C03C-003/089
출원번호
US-0258822
(2009-11-16)
등록번호
US-8679993
(2014-03-25)
우선권정보
JP-2009-073374 (2009-03-25)
국제출원번호
PCT/JP2009/069455
(2009-11-16)
§371/§102 date
20110922
(20110922)
국제공개번호
WO2010/109721
(2010-09-30)
발명자
/ 주소
Sawanoi, Kaori
Abe, Jiro
Tanaka, Toshikatsu
출원인 / 주소
Nippon Electric Glass Co., Ltd.
대리인 / 주소
Wenderoth, Lind & Ponack, L.L.P.
인용정보
피인용 횟수 :
0인용 특허 :
6
초록
A glass composition for a glass fiber includes, in terms of oxides by mass %, 45 to 65% of SiO2, 10 to 20% of Al2O3, 13 to 25% of B2O3, 5.5 to 9% of MgO, 0 to 10% of CaO, 0 to 1% of Li2O+Na2O+K2O, SrO, and BaO.
대표청구항▼
1. A glass fiber, comprising a glass composition comprising, in terms of oxides by mass %, 45 to 65% of SiO2, 10 to 20% of Al2O3 13 to 25% of B2O3, 5.5 to 9% of MgO, 0 to 10% of CaO, 0 to 1% of Li2O+Na2O+K2O, SrO, and BaO, wherein the glass composition has a temperature Ty of less than 1300° C. at 1
1. A glass fiber, comprising a glass composition comprising, in terms of oxides by mass %, 45 to 65% of SiO2, 10 to 20% of Al2O3 13 to 25% of B2O3, 5.5 to 9% of MgO, 0 to 10% of CaO, 0 to 1% of Li2O+Na2O+K2O, SrO, and BaO, wherein the glass composition has a temperature Ty of less than 1300° C. at 103.0 dPa·s, andwherein the glass fiber has an average diameter of 3 to 7.2 μm. 2. The glass fiber according to claim 1, wherein the glass composition further comprises 0.01 to 5.0% of CeO2 in terms of oxides by mass %. 3. The glass fiber according to claim 1, wherein a content of SrO is 0.1 to 10% and a content of BaO is 0.1 to 10% in terms of oxides by mass %. 4. The glass fiber according to claim 1, wherein a total content of alkaline-earth metal oxides including MgO, CaO, SrO, and BaO is 10 to 25% in terms of oxides by mass %, and a value obtained by dividing a total content of SrO and BaO by the total content of the alkaline-earth metal oxides is in a range of 0.15 to 0.50. 5. The glass fiber according to claim 1, wherein the glass composition has a dielectric constant of 6.0 or less and a dielectric dissipation factor of 20×10−4 or less at a frequency of 1 MHz. 6. The glass fiber according to claim 1, wherein the glass composition has a dielectric constant of 6.0 or less and a dielectric dissipation factor of 100×10−4 or less at a frequency of 10 GHz. 7. The glass fiber according to claim 1, which is used for forming an organic resin composite material by forming the glass fiber into a glass cloth or a non-woven fabric and combining it with an organic resin material. 8. A glass fiber sheet, comprising the glass fiber of according to claim 1, the glass fiber sheet being combined with an organic resin material to form an organic resin composite material. 9. The glass fiber sheet according to claim 8, wherein the glass fiber sheet is a glass cloth or glass paper.
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