Deposit control through the use of oligomeric phosphonic acid de

Details Deposit control through the use of oligomeric phosphonic acid de Deposit control through the use of oligomeric phosphonic acid de

1979-07-16

1981-03-03

Wyse, Thomas G.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162158, D21C 900

Patent

active

042539129

ABSTRACT:
The present disclosure is directed to oligomeric phosphonic acid derivatives which possess excellent chlorine resistance and acceptable calcium tolerance and which, at substoichiometric amounts, inhibit the formation of scale in aqueous mediums. Additionally, the oligomers have been found to be quite active as dispersants for particulate matter contained in an aqueous medium.

REFERENCES:
patent: 3621081 (1971-11-01), Prentice
patent: 4056430 (1977-11-01), Hoeger et al.
patent: 4190491 (1980-02-01), Drennen et al.
patent: 4190615 (1980-02-01), Becker

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