Corrosion inhibiting compositions and coatings including the same
First Claim
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1. A corrosion inhibiting composition comprising:
- a first plurality of carriers, each comprising a first carrier body and a film-forming compound, the first carrier body encapsulating the film-forming compound, wherein the first carrier body is formed of a first degradable material; and
a second plurality of carriers, each comprising a second carrier body and a first corrosion inhibitor, the second carrier body encapsulating the first corrosion inhibitor, the first corrosion inhibitor comprising an organic compound including a ring structure, wherein the second carrier body is formed of a second degradable material comprising a solid binder,wherein the first plurality of carriers are microcapsules wherein the film-forming compound is released upon mechanical degradation of the first degradable material; and
wherein the second plurality of carriers are microparticles wherein the first corrosion inhibitor is released from within the second carrier body upon chemical cleavage of the second degradable material.
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Abstract
A corrosion inhibiting composition includes a first plurality of carriers and a second plurality of carriers. The first plurality of carriers has a first carrier body which encapsulates a film-forming compound. The second plurality of carriers has a second carrier body encapsulates a corrosion inhibitor. Each of the first and second carrier bodies is formed of a degradable material. Coatings and methods for inhibiting corrosion on a metal substrate are also described herein.
73 Citations
32 Claims
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1. A corrosion inhibiting composition comprising:
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a first plurality of carriers, each comprising a first carrier body and a film-forming compound, the first carrier body encapsulating the film-forming compound, wherein the first carrier body is formed of a first degradable material; and a second plurality of carriers, each comprising a second carrier body and a first corrosion inhibitor, the second carrier body encapsulating the first corrosion inhibitor, the first corrosion inhibitor comprising an organic compound including a ring structure, wherein the second carrier body is formed of a second degradable material comprising a solid binder, wherein the first plurality of carriers are microcapsules wherein the film-forming compound is released upon mechanical degradation of the first degradable material; and wherein the second plurality of carriers are microparticles wherein the first corrosion inhibitor is released from within the second carrier body upon chemical cleavage of the second degradable material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 27, 28, 30)
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21. A corrosion inhibiting composition comprising:
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a first plurality carriers, each comprising a first carrier body and a film-forming compound, the first carrier body encapsulating the film-forming compound, wherein the first carrier body is formed of a first degradable material; a second plurality of carriers, each comprising a second carrier body and a first corrosion inhibitor, the second carrier body encapsulating the first corrosion inhibitor, the first corrosion inhibitor comprising a first organic compound including a ring structure, wherein the second carrier body is formed of a second degradable material; and a third plurality of carriers, each comprising a third carrier body and a second corrosion inhibitor, the third carrier body encapsulating the second corrosion inhibitor, the second corrosion inhibitor comprising a second organic compound including a ring structure, wherein the second corrosion inhibitor is different from the first corrosion inhibitor, and wherein the third carrier body is formed of a third degradable material. - View Dependent Claims (22, 23, 24, 25, 26, 31)
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29. A corrosion inhibiting composition comprising:
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a first plurality of carriers, each comprising a first carrier body and a film-forming compound, the first carrier body encapsulating the film-forming compound, wherein the first carrier body is formed of a first degradable material; and a second plurality of carriers, each comprising a second carrier body and a first corrosion inhibitor, the second carrier body encapsulating the first corrosion inhibitor, the first corrosion inhibitor comprising an organic compound including a ring structure, wherein the second carrier body is formed of a second degradable material comprising a solid binder with a cleavable cross-linking agent, wherein the first plurality of carriers are microcapsules wherein the film-forming compound is released upon mechanical degradation of the first degradable material; and wherein the second plurality of carriers are microparticles wherein the first corrosion inhibitor is released from within the second carrier body upon chemical cleavage of the second degradable material. - View Dependent Claims (32)
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Specification