Composition for preparing high-performance glass fiber by tank furnace production
US9428414B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2014 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | Jan 11, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C13/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A composition for preparing high-performance glass fiber by tank furnace production comprising in preferred percentage by weight: 57.5˜62.5% of SiO2,14.5˜17.5% of Al2O3,13.5˜17.5% of CaO,6.5˜8.5% of MgO,0.05˜0.6% of Li2O,0.1˜2% of B2O3,0.1˜2% of TiO2,0.1˜2% of Na2O,0.1˜1% of K2O and 0.1˜1% of Fe2O3 and (CaO+MgO)/MgO>3, with the content of at least one of the three components, Li2O, B2O3 and TiO2higher than 0.5%, with the composition yielding glass fiber having improved mechanical property, causing the melting and clarification of glass and forming performance of fiber close to those of boron-free E glass, and facilitating industrial mass production by tank furnace processes with manufacturing costs close to those of conventional E glass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.