Ceramifiable sizing composition for continuous inorganic yarns, yarns coated with this composition and process for sizing and heat treatment making use of this composition
US5683812A · kind A · utility
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Key dates
| Filing date | Apr 18, 1995 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | Apr 18, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2964
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A ceramifiable sizing composition includes, in % by weight: a) 5.5 to 20% of at least one water-soluble metal salt chosen from chromium, zirconium, titanium and aluminum salts; b) 0.2 to 15% of at least one binding agent; c) 0.15 to 3% of at least one silane giving the continuous inorganic yarn good properties of resistance to abrasion and of tensile strength of dry yarn; d) 0.6 to 17% of at least one lubricating agent; and e) a balance of water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.