Non-hygroscopic welding flux binders

Details Non-hygroscopic welding flux binders Non-hygroscopic welding flux binders

1985-09-17

1987-05-05

Rosenberg, Peter D.

Metal treatment

Compositions

Fluxing

148 24, 148 25, B23K 3534

Patent

active

046629521

ABSTRACT:
A welding flux binder and welding flux comprising the reaction product of a hydrolyzed and polymerized organometallic compound selected from the group consisting of metal alkoxides including tetraalkylorthosilicate, tetraalkylorthotitanate, tetraalkylorthozirconate and trialkylaluminate, metal esters, and metal oxalates. The organometallic compound is hydrolyzed and then polymerized to form a gel glass phase. Alkali and alkaline earth salts are added to stabilize and reduce the viscosity of the gel. The resulting welding flux binder and flux are non-hygroscopic and have a high fired strength.

REFERENCES:
patent: 2564199 (1951-08-01), Feldman
patent: 3211591 (1965-10-01), Miltschitzky et al.
patent: 3301688 (1967-01-01), Simpelaar
patent: 3321339 (1967-05-01), Schulze
patent: 3328212 (1967-06-01), Coless
patent: 3340104 (1967-09-01), Ballass et al.
patent: 3468999 (1969-09-01), Hillert
patent: 3496322 (1970-02-01), Gonzalez
patent: 3597285 (1971-08-01), Aronberg

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