Aluminum phosphate binder composition cured with ammonia and ami

Details Aluminum phosphate binder composition cured with ammonia and ami Aluminum phosphate binder composition cured with ammonia and ami

1978-09-18

1980-06-24

Baldwin, Robert D.

Metal founding

Process

Shaping a forming surface

106 383, 106 3835, 106 389, 164 41, B22C 110, B22C 118

Patent

active

042090563

ABSTRACT:
Disclosed are foundry binder compositions comprising boronated aluminum phosphate and water, cured by contacting them with gaseous ammonia or an amine. Optionally, the composition may also include alkaline earth metals and oxides, and solid polyhydric alcohols or solid organic carboxylic acids.

REFERENCES:
patent: 3316110 (1967-04-01), Herbst et al.
patent: 3329516 (1967-07-01), Chuatal
patent: 3923525 (1975-02-01), Toeniskoetter et al.
patent: 3930872 (1976-01-01), Toeniskoetter et al.
patent: 3968828 (1976-07-01), Toeniskoetter et al.
patent: 4089692 (1978-05-01), Toeniskoetter et al.
patent: 4127157 (1978-11-01), Gardikes et al.

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