IP Library › Granted Patent US 10,155,686

Granted Patent B2

US 10,155,686 · App. 15/511,582 · Granted Dec 18, 2018

Glass fiber composition, glass fiber and composite material therefrom

Inventors: Guorong Cao (Tongxiang, CN); Lin Zhang (Tongxiang, CN); Wenzhong Xing (Tongxiang, CN); Guijiang Gu (Tongxiang, CN)

Assignee: JUSHI GROUP CO., LTD.

C03C13/00 C03C3/087 C03C3/095 C03B37/075

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Quick Facts

Patent No.: US 10,155,686
App. No.: 15/511,582
Granted: Dec 18, 2018
Kind: B2

External Links

USPTO Patent Center↗ Full Patent PDF↗

Abstract

The present invention provides a glass fiber composition, glass fiber and composite material therefrom. The glass fiber composition comprises the following components expressed as percentage by weight: 56-64% SiO 2 , 12-18% Al 2 O 3 , 0.1-1% Na 2 O, 0.1-1% K 2 O, 0.1-1% Fe 2 O 3 , 0.05-1% Li 2 O+Bi 2 O 3 , 19-25% CaO+MgO+SrO, 0.1-1.5% TiO 2 and 0-1% CeO 2 , wherein a weight percentage ratio C1=Li 2 O/Bi 2 O 3 is greater than 1, and a weight percentage ratio C2=(MgO+SrO)/CaO is 0.4-1, and a weight percentage ratio C3=MgO/(MgO+SrO) is greater than 0.7. Said composition reduces the amount of bubbles, viscosity and crystallization risk of the glass, thereby making it more suitable for large-scale production with refractory-lined furnaces.

Claims (206)

1. A glass fiber composition, comprising the following components expressed as percentage by weight:

SiO 2

56-64%

Al 2 O 3

12-18%

Na 2 O

0.1-1%

K 2 O

0.1-1%

Fe 2 O 3

0.1-1%

Li 2 O + Bi 2 O 3

0.05-1%

CaO + MgO + SrO

19-25%

TiO 2

0.1-1.5%

CeO 2

0-1%

wherein, the content range of Bi 2 O 3 by weight percentage is 0.02-0.35%, a weight percentage ratio C1=Li 2 O/Bi 2 O 3 is greater than 1, and a weight percentage ratio C2=(MgO+SrO)/CaO is 0.4-1, and a weight percentage ratio C3=MgO/(MgO+SrO) is greater than 0.7.

2. The glass fiber composition according to claim 1 , wherein the weight percentage ratio C1=Li 2 O/Bi 2 O 3 is 2-12.

3. The glass fiber composition according to claim 1 , wherein the weight percentage ratio C2=(MgO+SrO)/CaO is 0.45-0.9, and the weight percentage ratio C3=MgO/(MgO+SrO) is greater than 0.85.

4. The glass fiber composition according to claim 1 , wherein the content range of CaO by weight percentage is greater than 9.5% and less than 12%.

5. The glass fiber composition according to claim 1 , wherein the content range of SrO by weight percentage is 0.02-1.5%.

6. The glass fiber composition according to claim 1 , comprising the following components expressed as percentage by weight:

SiO 2

58-62%

Al 2 O 3

14-16.5%

Na 2 O

0.1-1%

K 2 O

0.1-1%

Fe 2 O 3

0.1-1%

Li 2 O + Bi 2 O 3

0.1-0.9%

CaO + MgO + SrO

20-24%

TiO 2

0.1-1.5%

SrO

0-2%

CeO 2

0-1%

wherein, the weight percentage ratio C1=Li 2 O/Bi 2 O 3 is greater than 1, and the weight percentage ratio C2=(MgO+SrO)/CaO is 0.45-0.9, and the weight percentage ratio C3=MgO/(MgO+SrO) is greater than 0.85.

7. The glass fiber composition according to claim 1 , comprising the following components expressed as percentage by weight:

SiO 2

58-62%

Al 2 O 3

14-16.5%

Na 2 O

0.1-1%

K 2 O

0.1-1%

Fe 2 O 3

0.1-1%

Li 2 O + Bi 2 O 3

0.2-0.8%

CaO + MgO + SrO

21-23.5%

TiO 2

0.1-1.5%

SrO

0.02-1.5%

CeO 2

0-1%

wherein, the weight percentage ratio C1=Li 2 O/Bi 2 O 3 is 2-12, and the weight percentage ratio C2=(MgO+SrO)/CaO is 0.45-0.9, and the weight percentage ratio C3=MgO/(MgO+SrO) is greater than 0.85.

8. A glass fiber being produced from glass fiber compositions described in claim 1 .

9. The glass fiber according to claim 8 , wherein the weight percentage ratio C1=Li 2 O/Bi 2 O 3 is 2-12, and wherein the weight percentage ratio C2=(MgO+SrO)/CaO is 0.45-0.9, and the weight percentage ratio C3=MgO/(MgO+SrO) is greater than 0.85.

10. The glass fiber according to claim 8 , wherein the weight percentage ratio C1=Li 2 O/Bi 2 O 3 is 2-12, and wherein the content range of CaO by weight percentage is greater than 9.5% and less than 12%.

11. The glass fiber according to claim 8 , comprising the following components expressed as percentage by weight:

SiO 2

58-62%

Al 2 O 3

14-16.5%

Na 2 O

0.1-1%

K 2 O

0.1-1%

Fe 2 O 3

0.1-1%

Li 2 O + Bi 2 O 3

0.1-0.9%

CaO + MgO + SrO

20-24%

TiO 2

0.1-1.5%

SrO

0.02-1.5%

CeO 2

0-1%

12. The glass fiber according to claim 8 , comprising the following components expressed as percentage by weight:

SiO 2

58-62%

Al 2 O 3

14-16.5%

Na 2 O

0.1-1%

K 2 O

0.1-1%

Fe 2 O 3

0.1-1%

Li 2 O + Bi 2 O 3

0.2-0.8%

CaO + MgO + SrO

21-23.5%

TiO 2

0.1-1.5%

SrO

0.02-1.5%

CeO 2

0-1%

wherein, the weight percentage ratio C1=Li 2 O/Bi 2 O 3 is 2-12, and the weight percentage ratio C2=(MgO+SrO)/CaO is 0.45-0.9, and the weight percentage ratio C3=MgO/(MgO+SrO) is greater than 0.85, and wherein the content range of Bi 2 O 3 by weight percentage is 0.02-0.35%.

13. The glass fiber according to claim 8 , comprising the following components expressed as percentage by weight:

SiO 2

58-62%

Al 2 O 3

14-16.5%

Na 2 O

0.1-1%

K 2 O

0.1-1%

Fe 2 O 3

0.1-1%

Li 2 O + Bi 2 O 3

0.1-0.9%

CaO + MgO + SrO

20-24%

TiO 2

0.1-1.5%

SrO

0-2%

CeO 2

0-1%

14. A composite material incorporating the glass fiber described in claim 8 .

15. The composite material according to claim 14 , wherein the weight percentage ratio C1=Li 2 O/Bi 2 O 3 is 2-12, and wherein the weight percentage ratio C2=(MgO+SrO)/CaO is 0.45-0.9, and the weight percentage ratio C3=MgO/(MgO+SrO) is greater than 0.85.

16. The composite material according to claim 14 , wherein the weight percentage ratio C1=Li 2 O/Bi 2 O 3 is 2-12, and wherein the content range of CaO by weight percentage is greater than 9.5% and less than 12%.

17. The composite material according to claim 14 , comprising the following components expressed as percentage by weight:

SiO 2

58-62%

Al 2 O 3

14-16.5%

Na 2 O

0.1-1%

K 2 O

0.1-1%

Fe 2 O 3

0.1-1%

Li 2 O + Bi 2 O 3

0.1-0.9%

CaO + MgO + SrO

20-24%

TiO 2

0.1-1.5%

SrO

0.02-1.5%

CeO 2

0-1%

18. The composite material according to claim 14 , comprising the following components expressed as percentage by weight:

SiO 2

58-62%

Al 2 O 3

14-16.5%

Na 2 O

0.1-1%

K 2 O

0.1-1%

Fe 2 O 3

0.1-1%

Li 2 O + Bi 2 O 3

0.2-0.8%

CaO + MgO + SrO

21-23.5%

TiO 2

0.1-1.5%

SrO

0.02-1.5%

CeO 2

0-1%

19. The composite material according to claim 14 , comprising the following components expressed as percentage by weight:

SiO 2

58-62%

Al 2 O 3

14-16.5%

Na 2 O

0.1-1%

K 2 O

0.1-1%

Fe 2 O 3

0.1-1%

Li 2 O + Bi 2 O 3

0.1-0.9%

CaO + MgO + SrO

20-24%

TiO 2

0.1-1.5%

SrO

0-2%

CeO 2

0-1%

Assignments (1)

NUNC PRO TUNC ASSIGNMENT Recorded Apr 5, 2017

From: CAO, GUORONG; ZHANG, LIN; XING, WENZHONG; GU, GUIJIANG

To: JUSHI GROUP CO., LTD.

Reel/Frame 041865/0919 →

Priority Claims (1)

CN 2014 1 0487975 · Sep 22, 2014 · national

Continuity (1)

Related Publication 20170283309A1 · Oct 5, 2017

Cited By (3)

US 12,275,664 US 12,344,546 US 12,473,226