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Molecular Healing of Polymeric Materials, Coatings, Plastics, Elastomers, Composites, Laminates, Adhesives, and Sealants by Active Enzymes

  • US 20100210745A1
  • Filed: 01/29/2010
  • Published: 08/19/2010
  • Est. Priority Date: 09/09/2002
  • Status: Abandoned Application
First Claim
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1. A composition, comprising a thermoplastic polymeric material, a thermoset polymeric material, an elastomer, a foamed solid polymeric material, a reinforced polymeric material, a composite, a laminate, an engineering polymeric material;

  • a high-performance polymeric material, a honeycomb, a coated fabric, a polymeric fiber, an adhesive, a sealant, a wax, a textile finish, a filler, a coating, or a combination thereof;

    wherein the coating comprises an architectural coating, an automotive coating, a can coating, a sealant coating, a chemical agent resistant coating, a camouflage coating, a pipeline coating, a traffic marker coating, an aircraft coating, a nuclear power plant coating, or a combination thereof;

    wherein the composition comprises an active enzyme and a substrate of the active enzyme, wherein the active enzyme comprises an esterase, a hydrolase, a urease, or a combination thereof;

    wherein the substrate of the active enzyme comprises a monomer, a polymer, a crosslinking agent, an anti-crosslinking agent, a coupling agent, or a combination thereof;

    wherein the active enzyme catalyzes a chemical reaction on the substrate of the active enzyme that alters a property of the composition;

    wherein the property of the composition that is altered comprises glass transition temperature, brittleness, flexibility, scrub resistance, toughness, impact resistance, color retention, self cleaning, gloss, solvent resistance, service life, adhesion, or a combination thereof.

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