Binder for manufacture of precision casting mold
US4769075A · kind A · utility
2Cited by
11References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 28, 1987 |
| Grant date | Sep 6, 1988 |
| Priority date | — |
| Expiry date | Jul 28, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C1/165
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A binder for manufacture of a precision casting mold comprising a transparent solution containing an alkyl orthosilicate or an alkyl polysilicate having a polymerization degree of 2 to 10, and an amino-alkoxide of a metal selected from a group consisting of titanium, zirconium, tin and aluminum or a mixture thereof in the mol ratio (Si/N) of 0.01 to 1.0 calculated in terms of the silicon atom contained in the silicate and the basic nitrogen atom contained in the amino-alkoxide. This binder is excellent in preservation stability and workability and does not dissolve the surface of a water-soluble pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.