Non-chrome post-rinse composition for phosphated metal substrates
AssigneePPG Industries, Inc.
InventorsMark W. McMillen, Richard M. Nugent, Jr.
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Abstract
The composition of a non-chrome post-rinse composition for treating phosphated metal substrates is disclosed. The composition comprises the reaction product of an epoxy-functional material containing at least two epoxy groups; and an alkanolamine, or a mixture of alkanolamines. The composition further comprises a group IV-B metal ion, or a mixture of group IV-B metal ions. Also provided is a non-chrome post-rinse concentrate; a process for treating a phosphated metal substrate comprising contacting said phosphated metal substrate with the non-chrome post-rinse composition described above; and the coated article prepared by this process.
Claims8
A non-chrome post-rinse concentrate to be diluted for treating phosphated metal substrates comprising:
- A. the reaction product of:
- an epoxy-functional material containing at least two epoxy groups;
- and
- an alkanolamine, or a mixture of alkanolamines;
- and
- B. a material selected from the group consisting of Group IV-B metal ion, or a mixture of Group IV-B metal ions.
Dependencies are inferred from the claim text.