Latent coating for metal surface repair
First Claim
Patent Images
1. A corrosion protective coating composition, comprising:
- a) a film forming binder, andb) a plurality of microcapsules, mixed with said binder, said microcapsules containing a latent repair fluid comprising a film forming component and a corrosion inhibitor.
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Abstract
A corrosion protective coating composition, applied over a metal surface, contains frangible microcapsules which rupture and release fluid upon impact or other stress likely to damage the coating. The fluid, from the microcapsules, contains a film forming component to cover the damaged area of the coating and a corrosion inhibitor for the metal surface.
84 Citations
19 Claims
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1. A corrosion protective coating composition, comprising:
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a) a film forming binder, and b) a plurality of microcapsules, mixed with said binder, said microcapsules containing a latent repair fluid comprising a film forming component and a corrosion inhibitor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A corrosion protective coating composition, comprising:
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(a) a film forming binder; (b) a first plurality of microcapsules containing a corrosion inhibitor, and (c) a second plurality of microcapsules containing a film forming component, said first and said second plurality of microcapsules being substantially uniformly distributed throughout said binder. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A corrosion protective layer, comprising:
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(a) a continuous resin phase, and (b) a plurality of frangible microcapsules, substantially uniformly dispersed in said resin phase, said microcapsules containing a fluid composition to effect repair of said layer when damaged. - View Dependent Claims (18, 19)
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Specification