CA2223603A1 - Boron-free glass fibers - Google Patents
Boron-free glass fibersInfo
- Publication number
- CA2223603A1 CA2223603A1 CA002223603A CA2223603A CA2223603A1 CA 2223603 A1 CA2223603 A1 CA 2223603A1 CA 002223603 A CA002223603 A CA 002223603A CA 2223603 A CA2223603 A CA 2223603A CA 2223603 A1 CA2223603 A1 CA 2223603A1
- Authority
- CA
- Canada
- Prior art keywords
- glass fibers
- boron
- glass
- free glass
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
Boron-free glass fibers suitable for textile and reinforcements are described.
The glass fibers have compositions consisting essentially of SiO2, CaO, AL2O3, and MgO. In a preferred embodiment, the glass contains essentially no fluorine, sulfate, or titania These glass fiber compositions advantageously have broad or large values for delta T
(i.e., the difference between the log 3 or forming temperature--the temperature at which the glass has a viscosity of approximately 1000 poise--and the liquidus temperature), e.g., a delta T
of at least about 125°F (52°C), more preferably of at least about 150°F (83°C).
The glass fibers have compositions consisting essentially of SiO2, CaO, AL2O3, and MgO. In a preferred embodiment, the glass contains essentially no fluorine, sulfate, or titania These glass fiber compositions advantageously have broad or large values for delta T
(i.e., the difference between the log 3 or forming temperature--the temperature at which the glass has a viscosity of approximately 1000 poise--and the liquidus temperature), e.g., a delta T
of at least about 125°F (52°C), more preferably of at least about 150°F (83°C).
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46983695A | 1995-06-06 | 1995-06-06 | |
| US08/469,836 | 1995-06-06 | ||
| US56800895A | 1995-12-06 | 1995-12-06 | |
| US08/568,008 | 1995-12-06 | ||
| PCT/US1996/009270 WO1996039362A1 (en) | 1995-06-06 | 1996-06-06 | Boron-free glass fibers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2223603A1 true CA2223603A1 (en) | 1996-12-12 |
| CA2223603C CA2223603C (en) | 2006-12-12 |
Family
ID=37561082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002223603A Expired - Lifetime CA2223603C (en) | 1995-06-06 | 1996-06-06 | Boron-free glass fibers |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2223603C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1753700B1 (en) | 2004-03-17 | 2017-08-09 | OCV Intellectual Capital, LLC | Glass yarn for reinforcing organic and/ or inorganic materials |
-
1996
- 1996-06-06 CA CA002223603A patent/CA2223603C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1753700B1 (en) | 2004-03-17 | 2017-08-09 | OCV Intellectual Capital, LLC | Glass yarn for reinforcing organic and/ or inorganic materials |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2223603C (en) | 2006-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20160606 |