Mold resistant formable cork

Patent metadata

Field	Value
Publication number	US-10647856-B2
Application number	US-201615344001-A
Country	US
Kind code	B2
Filing date	Nov 4, 2016
Priority date	Nov 4, 2016
Publication date	May 12, 2020
Grant date	May 12, 2020

Abstract

Aspects described herein generally relate to a material that is the reaction product of:
a binder; a curing agent; and a zinc pyrithione represented by the formula:

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 is independently hydrogen, alkyl, cycloalkyl, alkoxyl, hydroxyl, aryl, or heterocyclyl, uses thereof as a heatshield material, and heatshields.

First claim

What is claimed is:

1. A material that is the reaction product of:
a binder;
a curing agent;
a zinc pyrithione represented by Formula (I):

wherein R 1 and R 5 are each independently an alkyl and wherein R 2 , R 3 , R 4 , R 6 , R 7 , and R 8 are hydrogen; and
cork,
wherein the material has an antibiotic activity rating of 0 after 4 weeks according to ASTM G21-15.

2. The material of claim 1 , wherein the zinc pyrithione has a decomposition temperature greater than 400° F.

3. The material of claim 1 , wherein the zinc pyrithione has a water solubility of less than 100 ppm at pH 7.

4. The material of claim 1 , wherein the material has a density between about 0.8 g/cc and about 1.2 g/cc.

5. The material of claim 1 , wherein the material has a pot life of less than 24 hours at room temperature.

6. The material of claim 1 , wherein the material comprises zinc pyrithione in a range from 0.5 wt % to 5 wt %.

7. The material of claim 1 , wherein the material comprises between about 8 wt % and about 12 wt % cork.

8. The material of claim 1 , wherein the binder is selected from the group consisting of phenolic, epoxy, silicone, polyurethane, and mixtures thereof.

9. The material of claim 1 , wherein the curing agent is selected from the group consisting of alkyl diamine, cycloalkyl diamine, monoaryl diamine, polyaryl diamine, and mixtures thereof.

10. The material of claim 1 , wherein the reaction product of the zinc pyrithione and the binder is incorporated within the material in which a nucleophilic moiety of the zinc pyrithione reacts with an electrophilic moiety of the binder.

11. A material that is the reaction product of:
a binder;
a curing agent;
a zinc pyrithione represented by Formula (I):

wherein R 3 and R 7 are each independently an alkyl and wherein R 1 , R 2 , R 4 , R 5 , R 6 , and R 8 are hydrogen; and
cork,
wherein the material has an antibiotic activity rating of 0 after 4 weeks according to ASTM G21-15.

12. A material that is the reaction product of:
a binder;
a curing agent;
a zinc pyrithione represented by Formula (I):

wherein R 4 and R 8 are each independently an alkyl and wherein R 1 , R 2 , R 3 , R 5 , R 6 , and R 7 are hydrogen; and
cork,
wherein the material has an antibiotic activity rating of 0 after 4 weeks according to ASTM G21-15.

13. The material of claim 1 , wherein said cork is selected from the group consisting of a cork board, cork particles, and combinations thereof.

14. The material of claim 11 , wherein the zinc pyrithione has a decomposition temperature greater than 400° F.

15. The material of claim 11 , wherein the zinc pyrithione has a water solubility of less than 100 ppm at pH 7.

16. The material of claim 11 , wherein the material has a density between about 0.8 g/cc and about 1.2 g/cc.

17. The material of claim 11 , wherein the material has a pot life of less than 24 hours at room temperature.

18. The material of claim 11 , wherein the material comprises zinc pyrithione in a range from 0.5 wt % to 5 wt %.

19. The material of claim 11 , wherein the material comprises between about 8 wt % and about 12 wt % cork.

20. The material of claim 11 , wherein the binder is selected from the group consisting of phenolic, epoxy, silicone, polyurethane, and mixtures thereof.

21. The material of claim 11 , wherein the curing agent is selected from the group consisting of alkyl diamine, cycloalkyl diamine, monoaryl diamine, polyaryl diamine, and mixtures thereof.

22. The material of claim 11 , wherein the reaction product of the zinc pyrithione and the binder is incorporated within the material in which a nucleophilic moiety of the zinc pyrithione reacts with an electrophilic moiety of the binder.

23. The material of claim 11 , wherein said cork is selected from the group consisting of a cork board, cork particles, and combinations thereof.

24. The material of claim 12 , wherein the zinc pyrithione has a decomposition temperature greater than 400° F.

25. The material of claim 12 , wherein the zinc pyrithione has a water solubility of less than 100 ppm at pH 7.

26. The material of claim 12 , wherein the material has a density between about 0.8 g/cc and about 1.2 g/cc.

27. The material of claim 12 , wherein the material has a pot life of less than 24 hours at room temperature.

28. The material of claim 12 , wherein the material comprises zinc pyrithione in a range from 0.5 wt % to 5 wt %.

29. The material of claim 12 , wherein the material comprises between about 8 wt % and about 12 wt % cork.

30. The material of claim 12 , wherein the binder is selected from the group consisting of phenolic, epoxy, silicone, polyurethane, and mixtures thereof.

31. The material of claim 12 , wherein the curing agent is selected from the group consisting of alkyl diamine, cycloalkyl diamine, monoaryl diamine, polyaryl diamine, and mixtures thereof.

32. The material of claim 12 , wherein the reaction product of the zinc pyrithione and the binder is incorporated within the material in which a nucleophilic moiety of the zinc pyrithione reacts with an electrophilic moiety of the binder.

33. The material of claim 12 , wherein said cork is selected from the group consisting of a cork board, cork particles, and combinations thereof.

Assignees

• Boeing Co

Inventors

• Gaw Kevin O
• Shorey Mark W
• Rhoe Holly M

Classifications

• A01N55/02

  containing metal atoms · CPC title

• F02C7/24

  Heat or noise insulation (air intakes having provisions for noise suppression F02C7/045; turbine exhaust heads, chambers, or the like F01D25/30; silencing nozzles of jet-propulsion plants F02K1/00) · CPC title

• B64D41/00

  Power installations for auxiliary purposes · CPC title

• A01N25/10

  Macromolecular compounds · CPC title

• F02C3/04

  having a turbine driving a compressor (power transmission arrangements F02C7/36; control of working fluid flow F02C9/16) · CPC title