Binder for manufacture of precision casting mold

Details Binder for manufacture of precision casting mold Binder for manufacture of precision casting mold

1987-07-28

1988-09-06

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 3835, 10628716, 10628719, 528 9, 528 10, 528 19, 164 24, B28B 736, B28B 728, G09K 300

Patent

active

047690755

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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patent: 4211567 (1980-07-01), Dittrich et al.
patent: 4396430 (1983-08-01), Matalon
patent: 4522958 (1985-06-01), Das et al.

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