Vinyl sulfonic acid - methacrylic acid copolymer passivators for

Details Vinyl sulfonic acid - methacrylic acid copolymer passivators for Vinyl sulfonic acid - methacrylic acid copolymer passivators for

1986-08-15

1988-01-12

Hruskoci, Peter

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

210701, 252395, 422 17, C23F 1106

Patent

active

047190825

ABSTRACT:
Certain polymers of vinylsulfonic and methacrylic acid promote the formation of passive, protective oxide films on steel surfaces under alkaline boiler conditions and at high pressures e.g. pH 11 1,000 to 1,500 psi, while giving good control of mineral deposition in the boiler.

REFERENCES:
patent: 3879288 (1975-04-01), Siegele
patent: 4387027 (1983-06-01), May et al.
patent: 4457847 (1984-07-01), Lorenc et al.
patent: 4604211 (1986-08-01), Kneller et al.

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