초록 ▼

A high temperature resistive coating composition includes a pigmenting component, a binder component, and a hardening agent. The pigmenting component includes a spinel of the formula AB2O4, in which A is selected from the group consisting of Mg, Fe, Zn, Mn, Cu and Ni, or a combination thereof, and B

A high temperature resistive coating composition includes a pigmenting component, a binder component, and a hardening agent. The pigmenting component includes a spinel of the formula AB2O4, in which A is selected from the group consisting of Mg, Fe, Zn, Mn, Cu and Ni, or a combination thereof, and B is selected from the group consisting of Al, Fe and Cr, or a combination thereof. The binder component of the high temperature resistive coating is preferably a polysiloxane material, such as a silicon resin. Moreover, the hardening agent of the high temperature resistive coating includes a finely powdered material selected from the group consisting of diamond powder, BN, WC, SiC, Al2O3, AlN and SiO2. The resistive coating may be advantageously used for coating the interior of a self-cleaning oven, an oven rack, burner grates, and the like, particularly due to its ability to withstand high temperatures.

대표청구항 ▼

1. A high temperature resistive coating composition comprising:a pigmenting component including a spinel; a binder component including a silicone resin and an organic solvent, wherein said organic solvent and said silicone resin are present in a substantially 1:1 ratio by volume; and a hardening age

1. A high temperature resistive coating composition comprising:a pigmenting component including a spinel; a binder component including a silicone resin and an organic solvent, wherein said organic solvent and said silicone resin are present in a substantially 1:1 ratio by volume; and a hardening agent. 2. The high temperature resistive coating composition of claim 1, wherein said spinel of said pigmenting component is of the formula AB2O4, in whichA is selected from the group consisting of Mg, Fe, Zn, Mn, Cu, Ni and combinations thereof, and B is selected from the group consisting of Al, Fe, Cr and combinations thereof. 3. The high temperature resistive coating composition of claim 2, wherein said spinel has a formula of CuCr2O4.4. The high temperature resistive coating composition of claim 1, further comprising a metal oxide.5. The high temperature resistive coating composition of claim 1, further comprising at least one modifying agent selected from the group consisting of surfactants, dispersants and emulsifiers.6. The high temperature resistive coating composition of claim 1, wherein the silicone resin of said binder component is a polysiloxane.7. The high temperature resistive coating composition of claim 1, wherein the silicone resin has a methyl to phenyl ratio of between 30:70 and 70:30.8. The high temperature resistive coating composition of claim 1, wherein said hardening agent is constituted by a finely powdered material selected from the group consisting of diamond powder, BN, WC, SiC, Al2O3, AlN and SiO2.9. The high temperature resistive coating composition of claim 1, wherein said composition is a liquid at room temperature.10. The high temperature resistive coating composition of claim 9, wherein said pigmenting component, said binder component and said hardening agent are provided in a ratio of one liter to one liter to 100-200 grams, respectively.11. A high temperature resistive coating composition comprising:a pigmenting component including a spinel, wherein said pigmenting component is a solution of said spinel in an aqueous acid; a binder component including a silicone resin; and a hardening agent. 12. The high temperature resistive coating composition of claim 11, wherein said pigmenting component has a pH less than 1.0.13. The high temperature resistive coating composition of claim 11, wherein said acid is selected from the group consisting of chromic acid, phosphoric acid, and a combination thereof.14. The high temperature resistive coating composition of claim 13, wherein said pigmenting component has a pH less than 1.0.15. The high temperature resistive coating composition of claim 11, wherein said pigmenting component contains 25-75% spinel and 75-25% acid by volume.16. The high temperature resistive coating composition of claim 11, wherein said pigmenting component further includes a water-soluble crosslinking agent for crosslinking the silicone resin.17. The high temperature resistive coating composition of claim 16, wherein said crosslinking agent forms 2-10% by volume of said pigmenting component.18. The high temperature resistive coating composition of claim 11, wherein said binder component further includes an organic solvent.19. A high temperature resistive coating composition comprising:a pigmenting component including a spinel; a binder component including a silicone resin; and a hardening agent, wherein said hardening agent is a finely powdered material having a formula of SiC. 20. A cooking appliance comprising:an oven cavity having an interior surface; a heating element for heating said oven cavity; a rack arranged in the oven cavity; and a high temperature resistive coating composition arranged on at least one of the interior surface of said oven cavity and said rack, said high temperature resistive coating composition being formed from: a pigmenting component including a spinel; a binder component including a silicone resin; and a hardening agent, wherein said spinel of said pigmenting component is of the formula AB2O4, in which A is selected from the group consisting of Mg, Fe, Zn, Mn, Cu, Ni, and combinations thereof, and; B is selected from the group consisting of Al, Fe, Cr and combinations thereof. 21. The cooking appliance of claim 20, wherein said spinel has a formula of CuCr2O4.22. The cooking appliance of claim 20, wherein the coating composition includes a metal oxide.23. A cooking appliance comprising:an oven cavity having an interior surface a heating element for heating said oven cavity a rack arranged in the oven cavity; and a high temperature resistive coating composition arranged on at least one of the interior surface of said oven cavity and said rack, said high temperature resistive coating composition formed from: a pigmenting component including a spinel; a binder component including a silicone resin; and a hardening agent, wherein the coating composition further comprises at least one modifying agent selected from the group consisting of surfactants, dispersants and emulsifiers. 24. The cooking appliance of claim 20, wherein the silicone resin of said binder component is a polysiloxane.25. The cooking appliance of claim 20, wherein the silicone resin has a methyl to phenyl ratio of between 30:70 and 70:30.26. A cooking appliance comprising:an oven cavity having an interior surface; a heating element for heating said oven cavity; a rack arranged in the oven cavity; and a high temperature resistive coating composition arranged on at least one of the interior surface of said oven cavity and said rack, said high temperature resistive coating composition formed from: a pigmenting component including a spinel; a binder component including a silicone resin; and a hardening agent, wherein said hardening agent is constituted by a finely powdered material selected from the group consisting of diamond powder, BN, WC, SiC, Al2O3, AlN and SiO2. 27. A cooking appliance comprising:an oven cavity having an interior surface; a heating element for heating said oven cavity; a rack arranged in the oven cavity; and a high temperature resistive coating composition arranged on at least one of the interior surface of said oven cavity and said rack, said high temperature resistive coating composition being formed from: a pigmenting component including a spinel; a binder component including a silicone resin; and a hardening agent, wherein said hardening agent is a finely powdered material having a formula of SiC. 28. A cooking appliance comprising:an oven cavity having an interior surface; a heating element for heating said oven cavity; a rack arranged in the oven cavity; and a high temperature resistive coating composition arranged on at least one of the interior surface of said oven cavity and said rack, said high temperature resistive coating composition being formed from: a pigmenting component including a spinel, wherein said pigmenting component is a solution of said spinel in an aqueous acid; a binder component including a silicone resin; and a hardening agent. 29. The cooking appliance of claim 28, wherein said pigmenting component has a pH less than 1.0.30. The cooking appliance of claim 28, wherein said acid is selected from the group consisting of chromic acid, phosphoric acid, and a combination thereof.31. The cooking appliance of claim 30, wherein said pigmenting component has a pH less than 1.0.32. The cooking appliance of claim 28, wherein said pigmenting component contains 25-75% spinel and 75-25% acid by volume.33. The cooking appliance of claim 28, wherein said pigmenting component further includes a water-soluble crosslinking agent for crosslinking the silicone resin.34. The cooking appliance of claim 33, wherein said crosslinking agent forms 2-10% by volume of said pigmenting component.35. A cooking appliance comprising:an oven cavity having an interior surface; a heating element for heating said oven cavity; a rack arranged in the oven cavity; and a high temperature resistive coating composition arranged on at least one of the interior surface of said oven cavity and said rack, said high temperature resistive coating composition being formed from: a pigmenting component including a spinel; a binder component including a silicone resin, wherein said binder component further includes an organic solvent; and a hardening agent, wherein said pigmenting component, said binder component and said hardening agent are provided in a ratio of one liter to one liter to 100-200 grams, respectively. 36. The cooking appliance of claim 35, wherein said organic solvent and said silicone resin are present in a substantially 1:1 ratio by volume.