Binder for manufacture of precision casting mold
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United States of America Patent
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-
Sep 6, 1988
Grant Date -
N/A
app pub date -
Jul 28, 1987
filing date -
Jul 29, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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