Hardeners for use in water-glass cement compositions and process

Details Hardeners for use in water-glass cement compositions and process Hardeners for use in water-glass cement compositions and process

1978-02-27

1979-02-06

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C04B 3102

Patent

active

041382617

ABSTRACT:
Hardeners of condensed aluminum phosphates for use in water-glass cementing compositions and process for making them. The hardeners consist substantially of a short chain aluminum polyphosphate with a chain length of 3 to 6 and a long chain aluminum polyphosphate with a chain length or more than 40. Quick-setting hardeners contain a high proportion of the short chain component and slow-setting hardeners contain a high porportion of the long chain component.

REFERENCES:
patent: 3445257 (1969-05-01), Hloch et al.
patent: 3669699 (1972-06-01), Doi et al.
patent: 3813253 (1974-05-01), Neises
patent: 3943231 (1976-03-01), Wasel-Nielen et al.

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