Self-Repairing, Reinforced Matrix Materials
First Claim
1. An article comprising a cured composite matrix material having a modifying agent in at least one hollow release vessel, wherein the modifying agent is capable of beneficially modifying the composite matrix material in response to a stimulus, wherein the cured matrix is a coating and the coating material is an anticorrosion material over metal.
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Accused Products
Abstract
Self-repairing, fiber reinforced matrix materials include a matrix material including inorganic as well as organic matrices. Disposed within the matrix are hollow fibers having a selectively releasable modifying agent contained therein. The hollow fibers may be inorganic or organic and of any desired length, wall thickness or cross-sectional configuration. The modifying agent is selected from materials capable of beneficially modifying the matrix fiber composite after curing. The modifying agents are selectively released into the surrounding matrix in use in response to a predetermined stimulus be it internal or externally applied. The hollow fibers may be closed off or even coated to provide a way to keep the modifying agent in the fibers until the appropriate time for selective release occurs. Self-repair, smart fiber matrix composite materials capable of repairing microcracks, releasing corrosion inhibitors or permeability modifiers are described as preferred embodiments in concrete and polymer based shaped articles.
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Citations
24 Claims
- 1. An article comprising a cured composite matrix material having a modifying agent in at least one hollow release vessel, wherein the modifying agent is capable of beneficially modifying the composite matrix material in response to a stimulus, wherein the cured matrix is a coating and the coating material is an anticorrosion material over metal.
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8. A corrosion protective coating composition, comprising:
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a) a coating matrix, and b) a plurality of hollow vessels within the coating matrix, the vessels containing therein a modifying chemical comprising a self repairing component and a corrosion inhibitor. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A corrosion protective coating composition, comprising:
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(a) a coating matrix;
(b) a plurality of vessels containing a corrosion inhibitor, and (c) a plurality of vessels containing a self repairing modifying agent, the plurality of vessels being distributed throughout the matrix. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A corrosion protective layer, comprising:
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(a) a resin matrix, and (b) a plurality of frangible vessels dispersed in the resin matrix, the vessels containing a fluid modifying agent to effect repair of the protective layer when damaged. - View Dependent Claims (22, 23, 24)
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Specification