Microbial resistant roof coating and system

Patent metadata

Field	Value
Publication number	US-9683110-B2
Application number	US-201514968969-A
Country	US
Kind code	B2
Filing date	Dec 15, 2015
Priority date	Oct 9, 2012
Publication date	Jun 20, 2017
Grant date	Jun 20, 2017

Abstract

A roofing and/or siding material that reduces the incidence of undesired micro-organisms from entering into the air intake of air conditioner and/or heating systems of a building structure to thereby improve the quality of the air in the building structure.

First claim

We claim:

1. A coating material that inhibits the growth of microbials on a surface of said coating material, said coating material includes water, a base coat composition, an anti-microbial additive and one or more additives selected from the group consisting of acrylic resin, pH indicator, surfactant, deairator, solvent, defoamer, thickener, filler, pH adjuster, and pigment, said base coat composition includes a resin material, said coating material includes by weight percent:

Water
20-40

Acrylic resin
60-75

Anti-microbial additive
0.1-10 

Defoamer
0.05-0.8 

pH adjuster
  0-0.5

pH indicator
0-1

Solvent
0.05-2  

Surfactant
0.05-1. 

2. The coating material as defined in claim 1 , wherein said anti-microbial additive includes two different anti-microbial compounds.

3. The coating material as defined in claim 1 , wherein said coating material includes by weight percent:

Water
28-30

Acrylic resin
65-70

Anti-microbial additive
0.4-1.5

Defoamer
0.2-0.6

pH adjuster
  0-0.3

pH indicator
  0-0.3

Solvent
0.5-0.9

Surfactant
 0.5-0.9.

4. The coating material as defined in claim 2 , wherein said coating material includes by weight percent:

Water
28-30

Acrylic resin
65-70

Anti-microbial additive
0.4-1.5

Defoamer
0.2-0.6

pH adjuster
  0-0.3

pH indicator
  0-0.3

Solvent
0.5-0.9

Surfactant
 0.5-0.9.

5. The coating material as defined in claim 1 , wherein said anti-microbial additive is 0.1-6 wt %, said solvent is 0.2-2 wt. %, said coating material further including 0.05-1 wt. % deairator.

6. The coating material as defined in claim 2 , wherein said anti-microbial additive is 0.1-6 wt %, said solvent is 0.2-2 wt. %, said coating material further including 0.05-1 wt. % deairator.

7. The coating material as defined in claim 1 , wherein said water is 25-30 wt. %, said acrylic resin is 66-72 wt. %, said anti-microbial additive is 0.4-1.2 wt. %, said solvent is 0.5-1 wt. %, said surfactant is 0.4-0.8 wt. %, said coating material further includes 0.1-0.3 wt. % deairator.

8. The coating material as defined in claim 2 , wherein said water is 25-30 wt. %, said acrylic resin is 66-72 wt. %, said anti-microbial additive is 0.4-1.2 wt. %, said solvent is 0.5-1 wt. %, said surfactant is 0.4-0.8 wt. %, said coating material further includes 0.1-0.3 wt. % deairator.

9. The coating material as defined in claim 1 , wherein said filler is 5-60 wt. %, said pH adjuster is 0.01-0.5 wt. %, said pH indicator is 0.01-0.5 wt. % said pigment is 1-15 wt. %, said solvent is 0.05-1 wt. %, and said thickener is 0.05-2 wt. %.

10. The coating material as defined in claim 2 , wherein said filler is 5-60 wt. %, said pH adjuster is 0.01-0.5 wt. %, said pH indicator is 0.01-0.5 wt. %, said pigment is 1-15 wt. %, said solvent is 0.05-1 wt. %, and said thickener is 0.05-2 wt. %.

11. The coating material as defined in claim 1 , wherein said anti-microbial additive is 0.2-1 wt. %, said filler is 20-40 wt. %, said pH adjuster is 0.01-0.5 wt. %, said pH indicator is 0.05-0.1 wt. %, said pigment is 4-10 wt. %, said solvent is 0.4-0.9 wt. %, said surfactant is 0.2-0.6 wt. %, and said thickener is 0.2-0.8 wt. %.

12. The coating material as defined in claim 2 , wherein said anti-microbial additive is 0.2-1 wt. %, said filler is 20-40 wt. %, said pH adjuster is 0.01-0.5 wt. %, said pH indicator is 0.05-0.1 wt. %, said pigment is 4-10 wt. %, said solvent is 0.4-0.9 wt. %, said surfactant is 0.2-0.6 wt. %, and said thickener is 0.2-0.8 wt. %.

13. The coating material as defined in claim 1 , wherein said anti-microbial additive is 0.4-2.5 wt. %, said defoamer is 0.05-0.4 wt. %, said solvent is 0.4-0.9 wt. %, said surfactant is 0.2-0.8 wt. %, said coating further including 0.1-0.5 wt. % deairator.

14. The coating material as defined in claim 2 , wherein said anti-microbial additive is 0.4-2.5 wt. %, said defoamer is 0.05-0.4 wt. %, said solvent is 0.4-0.9 wt. %, said surfactant is 0.2-0.8 wt. %, said coating further including 0.1-0.5 wt. % deairator.

15. The coating material as defined in claim 1 , wherein said resin includes a water-based acrylic resin with a glass transition temperature of about 0° F. to 90° F.

16. The coating material as defined in claim 1 , wherein said anti-microbial additive includes one or more materials selected from the group consisting of 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one; sodium copper ethylenediaminetetraacetate; methyl 2-benzimidazo

Assignees

• Garland Ind Inc

Inventors

• Sokol David
• Smith Jason

Classifications

• A01N43/80

  five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2 · CPC title

• A01N43/52

  condensed with carbocyclic rings, e.g. benzimidazoles · CPC title

• C08K5/0058

  Biocides; (macromolecular substances as carriers for biocide material A01N25/10) · CPC title

• A01N55/02

  containing metal atoms · CPC title

• C09D7/1233

  Chemistry & Metallurgy · mapped topic