Alkali-resistant glass fiber
US4830989A · kind A · utility
50Cited by
7References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1988 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Feb 22, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2964
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A continuous, monofilamentous, alkali-resistant glass fiber especially useful in cementitious products is conveniently prepared from a glass-forming composition comprising a magnesium silicate such as talc and a calcium carbonate such as limestone. Either the fiber itself or a strand comprising a plurality of the fiber is advantageously coated with an alkali-resistant polymer such as butadiene-styrene to provide additional alkali resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.