Hydrophobic, anti-microbial insulation products and a hydrophobic, anti-microbial coating composition for preparing the same

Inactive Publication Date: 2002-09-12
CERTAINTEED CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

0007] Accordingly, one object of the present invention is to provide a coating for insulation materials, duct liners or filter materials that

Problems solved by technology

Additionally, even when the duct surfaces are disinfected, the dead or destroyed microbes are not easily removed due to adherence to the duct liner surfaces.
Unfortunately, the use of the titanium dioxide based coatings described above in insulation materials, duct liner

Method used

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Embodiment Construction

[0014] The present invention relates to a coating composition for application to insulation materials, duct liner materials or filter materials, which provides the materials with easy-release, hydrophobic and anti-microbial properties, and the materials obtained by application of the coating.

[0015] The coating composition of the present invention comprises a compound having at least one hydrophobic group and at least one group having functionality capable of interacting with a group present on the surface of the substrate being coated. Suitable substrates include glass, metal or plastics, with glass substrates being preferred, and fiberglass being most preferred. Metal substrates include, but are not limited to, surfaces of metal HVAC systems, metal fiber media, etc. Glass substrates include, but are not limited to, windows, glass containers, car windows, fiberglass batts, duct board, duct liners and fiberglass filtering media. Other filtering media include the above noted metal fil...

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Abstract

A coating composition is provided for obtaining a hydrophobic, antimicrobial product, particularly fiberglass products, wherein the coating composition contains a compound having at least one hydrophobic group and at least one group capable of interacting with a group on the surface of the product substrate, particularly with Si or OH groups on the glass fibers of the fiberglass product, and the coated products obtained thereby.

Description

BACKGROUND OF THE INVENTION[0001] 1. Field of the Invention[0002] The present invention relates to insulation products having easy-release, hydrophobic and anti-microbial properties by virtue of a coating placed on the insulation material, particularly fiberglass products.[0003] 2. Discussion of the Background[0004] Recent studies have shown that it is possible to disinfect air by photocatalytic techniques similar to those proven successful in killing microorganisms in water. Goswandi et al, J. Solar Energy Eng., 119, 92-96 (1997); Jacoby et al, Environ. Sci. Technol., 32, 2650-2653 (1998). These studies are described, particularly with respect to the reaction chemistry of titanium dioxides, in a 1997 review article by Mills et al, J. Photochem. Photobiol. A:Chem., 108, 1-35 (1997).[0005] Many indoor air quality problems have been associated with bioaerosols of more than 60 different types, including bacteria, viruses and fungi causing a host of diseases and conditions, such as tube...

Claims

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Application Information

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IPC IPC(8): C03C25/24C03C25/40
CPCC03C25/40C03C25/25Y10T428/2933
Inventor MANKELL, KURT O.NOONE, MICHAEL J.TESSARI, DOMENIC J.
Owner CERTAINTEED CORP
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