Release coating for glass manufacture
US4039337A · kind A · utility
27Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1976 |
| Grant date | Aug 2, 1977 |
| Priority date | — |
| Expiry date | Mar 26, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition and method of preparation are herein described for molten release and parting compositions adaptable for use in glass-forming operations. The novel composition comprises an aqueous dispersion of a mixture of a solid lubricant, a water-soluble silicate binder, a setting agent, and a water-soluble phosphate. A preferred composition comprises a mixture of flake graphite, boron nitride, sodium silicate, zinc oxide and potassium phosphate tribasic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.