Composition for and method of monitoring dried-in-place non-chro

Details Composition for and method of monitoring dried-in-place non-chro Composition for and method of monitoring dried-in-place non-chro

1995-07-05

1997-06-24

Lusignan, Michael

Coating processes

Measuring, testing, or indicating

148241, 148247, 148251, 427 10, C23C 2200

Patent

active

056415370

ABSTRACT:
A process for measuring the coating weight of a dried-in-place non-chromate polyacrylamide 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.

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patent: 4191596 (1980-03-01), Dollman et al.
patent: 5122202 (1992-06-01), Dykstra
patent: 5129967 (1992-07-01), Sander
patent: 5158622 (1992-10-01), Reichgott et al.
patent: 5401333 (1995-03-01), Ouyang et al.
patent: 5451270 (1995-09-01), Ouyang et al.

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