Method of monitoring dried-in-place non-chrome polyacrylamide ba

Details Method of monitoring dried-in-place non-chrome polyacrylamide ba Method of monitoring dried-in-place non-chrome polyacrylamide ba

1994-03-15

1995-03-28

Silverberg, Sam

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148247, 148251, C23C 2277

Patent

active

054013330

ABSTRACT:
A process for measuring the coating weight of a dried-in-place non-chromate polyacrylamide/surfactant based conversion coating is disclosed. An ammonium hexafluorotitanate tracer added to such a conversion coating was found to not adversely affect coating properties. The tracer was found to remain proportional to the polymer matrix when the coating was analyzed by X-ray fluorescence.

REFERENCES:
patent: 4136073 (1979-01-01), Muro et al.
patent: 4191596 (1990-06-01), Dollman et al.
patent: 5122202 (1992-06-01), Dykstra
patent: 5129967 (1992-07-01), Sander
patent: 5158622 (1992-10-01), Reichgott et al.

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