KR100981923B1 - High heat-resistance release agents comprising nano manganese and the method of manufacturing it - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceramic coating having a high heat resistant release property, and more particularly to a high heat resistant release coating containing nano manganese and a method for producing the same. The coating agent of the present invention is a ceramic coating agent having excellent releasability even when deposited on molten zinc of 500 ° C. or more. And a surfactant or an inorganic binder, and a solid release agent and nano manganese particles.

Description

High heat-resistance release agents comprising nano manganese and the method of manufacturing it}

The present invention relates to a ceramic coating having a release property, and more particularly to a ceramic coating having a high heat resistance release properties.

Structures deposited on molten zinc usually use stainless steel as a material. When these structures are exposed to molten zinc for a long time, thermal oxidation corrosion may occur on the structures, or zinc scrap may occur due to insufficient release property, thereby significantly reducing the function of the structures. There is a need for a high heat-resistant release agent that can be used at high temperatures to compensate for this problem.

In general, release agents used at high temperatures include boron nitride, molybdenum disulfide, tungsten disulfide, and the like, but have disadvantages in terms of cost.

An object of the present invention is to provide a ceramic coating having a high heat release property, in particular a ceramic coating having excellent release property even when deposited on molten zinc of 500 ℃ or more.

In addition, an object of the present invention is to provide a ceramic coating having excellent adhesion and release property with the structure while significantly lowering the manufacturing cost compared to the conventional ceramic coating using an inexpensive raw material.

The coating agent of the present invention for achieving the above object, a surfactant or inorganic binder for connecting the sol on the liquid nano-colloid, the alcohol solvent and the sol-gel inorganic ceramic precursor, the liquid nano-colloid sol and the inorganic ceramic precursor, and a solid release agent And nano manganese particles.

Specifically, the coating agent of the present invention

(a) alumina; Silicon dioxide; Zirconia; Potassium oxide; And 100 parts by weight of a sol of a liquid nanocolloidal phase having at least one selected from the group consisting of silicon carbide and having a nanoparticle size of 10 to 50 nm;

(b) 5 to 40 parts by weight of an alcohol solvent,

(c) tetra methyl orthosilicate; Tetraethyl orthosilicate; Tetrapropyl orthosilicate; Tetrakis (2-hydroxyethyl) orthosilicate; Lithium orthosilicate; Cesium aluminum orthosilicate; Tetrabutyl orthosilicate; Aluminum sec-butoxide; aluminum tributoxide; aluminum ethoxide; diethyl aluminum ethoxide; aluminum isopropoxide; aluminum 3 Aluminum tert-butoxide; aluminum nitrate anhydride; aluminum nitrate nonahydrate; aluminum nitrate eneahydrate; aluminum phenoxide aluminumphenoxide; zirconium acetylacetonate; zirconium bis (diethyl citrato) dipropoxide; zirconium tertbutoxide; zirconium ethoxide ethoxide; zirconium iso propoxide; zirconium trifluoroacetyl acetonate; zirconium tetrakis (2,2,6,6-tetramethyl-3,5-heptanedionate (zirconium tetrakis (2,2,6, 6-tetrmethyl-3,5-heptanedionate); zirconium diisopropoxidebis (2,2,6,6- tetramethyl-3,5-heptanedionate), zirconium chloride, titanium bis (ethyl acetoacetato) diisopropoxide; Titanium butoxide; Titanium tert-butoxide; Titanium chloride; Titanium diisopropoxide bis (acetylacetonate); Titanium diisopropoxide bis (2,2,6,6-tetrmethyl-3,5-heptanedionate); Titanium ethoxide; Titanium 2-ethyl-1,3-hexanediolate; Titanium 2-ethylhexyloxide; Titanium isopropoxide; Titanium methoxide; Titanium nitrate; Titanium oxide acetylacetonate; Titanium propoxide; And 5 to 45 parts by weight of a sol-gel inorganic ceramic precursor selected from at least one selected from the group consisting of titanium (triethanolaminato) isopropoxide (titaniumolamineto),

(d) distilled water for ceramic precursor hydrolysis corresponding to 3 to 10 times molar number of the ceramic precursor,

(e) silanes; Silazane series; And 0.5-40 parts by weight of an inorganic binder selected from the group consisting of siloxanes, or cationic; Anionic; And 0.5 to 5 parts by weight of a surfactant selected from the group consisting of nonionic surfactants,

(f) boron nitride; black smoke; Molybdenum disulfide; Tungsten disulfide; Mica; Talc; And 0.5 to 50 parts by weight of a solid release agent comprising at least one selected from the group consisting of manganese dioxide,

(g) 0.1 to 30 parts by weight of nano manganese particles.

The composition of the high heat-resistant release coating agent of the present invention can be broadly divided into a group of sol-gel type organic-inorganic composite binders composed of alkoxy silanes and alcohols, and a group of pigments composed of substances providing high heat resistance release properties. Organic-inorganic composite binder group is an inorganic binder; Alcohol; Nanocolloid sol; water; Surfactant and the like, and the pigment group includes boron nitride; black smoke; Molybdenum disulfide; Tungsten disulfide; Mica; Talc; Manganese dioxide; Silicon dioxide; Alumina; Silicon carbide; Zirconia and the like.

The present invention relates to a structure using nano-manganese, which is a material that can increase crosslinkability with a solid release agent to compensate for the incompatibility of the solid release agent such as graphite and a relatively low release of the solid release agent such as graphite and other materials. Maximizes adhesion and release property. Nano manganese in the composition serves as an adhesion and binding aid of the coating.

The high heat-resistant release coating agent of the present invention is preferably silicon dioxide; Alumina; Silicon carbide; The zirconia may further comprise 0.5 to 35 parts by weight of the heat enhancer selected from one or more.

The surfactant may be selected from polyoxyethylene nonyl phenyl ether; Polyoxyethylene octyl phenyl ether; Polyoxyethylene lauryl ether; Polyoxyethylene cetyl ether; Polyoxyethylene stearyl ether; Polyoxyethylene oleic ethers; Polyoxyethylene tridecyl ether; Polyoxyethylene lauryl amine; Polyoxyethylene stearyl amine; Polyoxyethylene oleic amines; One or more of polyoxyethylene tallow amines may be selected.

The inorganic binder is disilane (disilane); Dichlorodimethylsilane; Dimethyldichlorosilane, 1,1,1-trimethyl-2,2,2-triphenyldisilane (1,1,1-trimethyl-2,2,2-triphenyldisilane); Diethoxydimethylsilane; Hexamethylcyclotrisilane; Hydroxycyclohexasilane; Ethyldisilane; Dibytyldichlorosilane; Acetoxytrimethylsilane; 2,4,6,8-tetraoxa-5-carbanonasilane (2,4,6,8-tetraoxa-5-carbanonasilane); Octaphenyloxacyclopentasilane; 2,2-dichloro-1-trimethylsiloxytrisilane; 2-bromochloro-1,1-dimethyl-2-pheny-3-propyltrisilane; Acetyltrimethylsilane; Dichloroethylsilane; Allyloxytrimethylsilane; Allyltriethoxylsilane; γ-aminopropylmethyldimethoxysilane; 3-aminopropyltriethoxysilane; 3-aminopropyldiethoxysilane; 3-aminopropyldiethoxysilane; 3-aminopropyltrimethoxysilane; N-aminoethyl-3-aminopropyl-trimethoxysilane; N-aminoethyl-3-aminopropyl-dimethoxymethysilane; Phenyltrimethoxysilane; Phenyltriethoxysilane; Methacryloxysilane; 3-methacryloxytrimethoxysilane; 3-methacrytrimethoxysilane; 3-methacryloxypropyltrimethylsilane; γ-methacryloxypropyltrimethylsilane; γ-methacryloxypropyltriethylsilane; γ-methacryloxypropyltrimethoxylsilane; 3-methacryloxypropyltriethoxylsilane; 3-chloropropyltrimethoxylsiane; Methyltrimethoxysilane; Methyltriethoxysilane; 3-mercaptopropyltrimethoxysilane; 3-mercaptopropyltriethoxysilane. Methylsilane; Ethylsilane; butylsilane; Trimethylsilane; Triethylsilane; Tributylsilane; Tripropylsilane; Butyltrichlorolsilane; Triisopropylsilane; Dimethylphenylsilane; Trimethoxysilane; Tetramethoxysilane; Triethoxysilane; Methyltrimethoxysilane; Methyldietoxysilane; Methyltriethoxysilane; Methoxytrimethylsilane; Ethyltrimethoxysilane; Ethyl triethoxysilane (ethoxytrimethylsilane); Dimethylisopropylsilane; Trimethoxypropylsilane; Triethoxypropylsilane; Triethoxy-3-ureidopropylsilane; Trimethoxy-3-methacryloxysilane; 3-diethylaminopropyltrimethoxysilane; Isobutylrimethoxysilane; 3-glycidyloxypropyltrimethylsilane; 3-glycidyloxypropyltrimethoxysilane; 3-glycidyloxypropyltriethoxysilane; γ-glycidoxypropyltrimethoxysilane; Vinyltriethoxysilane; 3-isocyanatopropyltriethoxysilane; Trisilazane; 1-aminodisilazane; Hexamethyldisilazane; Aminosilazane; Disiloxanes; Hexasiloxane; 1,1,1-trimethyldisiloxane; Cyclotrisiloxane; Hexamethylcyclotrisiloxane; 2-methoxycyclotrisiloxane; Hexachlorodisiloxane; One or more of diphenylsiloxanediol may be selected.

The alcohol solvent is methanol; ethanol; Butanol; Isobutanol; Propanol; At least one of isopropanol may be selected.

Moreover, in this invention, the high heat-resistant release coating agent of this invention is air; nitrogen; Provided is a method of thermosetting a high heat-resistant release coating agent comprising spray coating a metal or ceramic base material in at least one atmosphere selected from argon and thermal curing at 100 to 200 ° C. for 30 minutes to 120 minutes.
In addition, in the present invention, there is provided a method for producing a high heat-resistant release coating agent comprising the following steps.
(a) mixing and stirring 100 parts by weight of the sol of the liquid nanocolloidal phase and 5 to 40 parts by weight of the alcohol solvent;
(b) 5 to 45 parts by weight of the sol-gel inorganic ceramic precursor is added to the liquid mixture of the liquid nanocolloid sol and alcohol obtained in the above (a), and distilled water corresponding to 3 to 10 times the molar number of the inorganic ceramic precursor is added and stirred. Ceramic hydrolysis step,
(c) a silane system; Silazane series; And 0.5-40 parts by weight of an inorganic binder selected from the group consisting of siloxanes, or cationic; Anionic; And preparing a solution by adding 0.5-5 parts by weight of at least one surfactant selected from the group consisting of nonionic surfactants, or both, to the ceramic hydrolyzate obtained in (b).
(d) boron nitride; black smoke; Molybdenum disulfide; Tungsten disulfide; Mica; Talc; And adding 5 to 50 parts by weight of a solid release agent selected from the group consisting of manganese dioxide to the solution obtained in (c),
(e) adding 0.1 to 30 parts by weight of the nano-manganese particles to the solution to which the solid mold release agent obtained in (d) is added.

In the present invention, the high heat-resistant release coating agent has excellent release property even when deposited on molten zinc of 500 ° C. or higher, and the manufacturing cost is much lower than that of the conventional ceramic coating agent, and the adhesion and release property with the structure are excellent. In addition, the high heat-resistant release coating agent of the present invention is made of all the inorganic components can be used as a release coating in the high temperature and ultra-high temperature environment was difficult to use the existing organic release coating.

High heat-resistant release coating agent according to the invention can be prepared by a method comprising the following steps.

The nanoparticles have a size of 10 to 50 nm and a component of alumina; Silicon dioxide; Zirconia; Potassium oxide; Sol and methanol in liquid nanocolloids selected from at least one of silicon carbide; ethanol; Butanol; Isobutanol; Propanol; A preparation step of stirring at least one alcohol solvent selected from isopropanol;

A ceramic hydrolysis step of adding an inorganic ceramic precursor to the liquid nanocolloid sol, and adding and stirring distilled water corresponding to 3-10 times the number of moles to the inorganic ceramic;

Preparing a solution by adding a cationic, anionic, or nonionic surfactant, an inorganic binder, or both to the ceramic hydrolysis solution;

Adding a solid release agent to the solution to which the surfactant or inorganic binder is added:

Adding nanomanganese particles to the solution to which the solid release agent is added.

[Example]

Hereinafter, the present invention will be described in more detail with reference to specific examples. However, these examples are only for illustrating the present invention in more detail, the scope of the present invention is not limited by these examples.

Preparation Example 1 Preparation of Organic-Inorganic Composite Binder Group

40 g of tetraethyl orthosilicate and 25 g of isopropyl alcohol were mixed in an airtight container to prepare a precursor solution, to which 25 g of hydrolyzed distilled water and 2 g of polyoxyethylene octyl phenyl ether were added as a surfactant. Stirred for time. Then, 200 g of alumina liquid colloidal sol having a particle size in the range of 10 to 50 nm was added thereto, and stirred at room temperature for 1 hour to prepare an organic-inorganic composite binder.

≪ Example 1 >

To 65 g of the composite binder prepared in Preparation Example 1, 15 g of methoxytrimethylsilane was used as an inorganic binder and 0.5 g of polyoxyethylene octyl phenyl ether was used as a surfactant, 25 g of boron nitride as a solid releasing agent was mixed, A heat resistant release coating was prepared.

<Example 2>

To 65 g of the composite binder prepared in Preparation Example 1, 15 g of methoxytrimethylsilane was used as an inorganic binder and 0.5 g of polyoxyethylene octyl phenyl ether was used as a surfactant, and 25 g of molybdenum disulfide as a solid release agent was mixed, A heat resistant release coating was prepared.

<Example 3>

To 65 g of the composite binder prepared in Preparation Example 1, 15 g of methoxytrimethylsilane was used as an inorganic binder and 0.5 g of polyoxyethylene octyl phenyl ether was used as a surfactant, 25 g of tungsten disulfide as a solid releasing agent was mixed, A heat resistant release coating was prepared.

<Example 4>

To 65 g of the composite binder prepared in Preparation Example 1, 0.5 g of polyoxyethylene octyl phenyl ether was added as an inorganic binder and 15 g of methoxytrimethylsilane as a surfactant, 25 g of graphite as a solid releasing agent were mixed, and high heat resistance was obtained using a disperser. A release coating was prepared.

<Example 5>

A high heat-resistant release coating agent was prepared in the same manner as in Example 1, except that 5 g of silicon dioxide, a heat-resistant enhancer, was added together with the solid release agent.

<Example 6>

A high heat-resistant release coating agent was prepared in the same manner as in Example 1, except that 5 g of alumina, a heat enhancer, was added and mixed with the solid release agent.

<Example 7>

A high heat-resistant release coating agent was prepared in the same manner as in Example 1 except that 5 g of silicon carbide, a heat-resistant enhancer, was further added and mixed with the solid release agent.

<Example 8>

A high heat-resistant release coating agent was prepared in the same manner as in Example 1, except that 5 g of zirconia, a heat-resistant enhancer, was added together with the solid release agent.

<Test Example 1>

The high heat-resistant release coating agents prepared in Examples 1 to 8 were respectively spray coated with 100 μm and thermally cured at 150 ° C. for 100 minutes, and then evaluated for physical properties as follows.

(1) hardness

The pencil hardness measurement based on KS M ISO 15184 was performed. This is a hardness measuring pencil (Mitsubishi Co., Ltd.) and a pencil scraping tester to move the coating film with a load of 1kg at an angle of 45 ㅀ to observe the peeling or scratch of the coating film. Each was measured five times, and the results are shown in Table 1 below.

The evaluation result showed that the hardness of Examples 5-8 was superior to Examples 1-4.

(2) thermal shock

After heating for 1 hour at 600 ℃ electric furnace was observed whether the deformation of the coating film when cooled to room temperature, the results are shown in Table 2 below.

The evaluation result showed that the thermal shock resistance was excellent except for Examples 2 and 6.

(3) release

After immersion in the molten zinc bath for 1 hour, the resultant was cooled to room temperature by air cooling, and the degree of zinc adhesion of the coating was observed. The results are shown in Table 3 below.

[Criteria]

A: less than 5% of the scrap

B: 5% or more but less than 10% of the deposits

C: 10% or more but less than 30% of the deposits

D: 30% or more but less than 50% of the deposit

E: Scrap is attached to the crack of the deposition site

As a result of confirming the scrap site, it was found that the adhesion property between the coating material and the material was insufficient, resulting in insufficient release property as the molten zinc penetrated.

<Examples 9-12>

10 g of nano-manganese in the range of 10 to 50 nm, which is an adhesion enhancer, was mixed and then subjected to the same procedure as in Examples 5, 6, 7, and 8 except that a high heat-resistant release coating agent was prepared using a disperser.

<Test Example 2>

The high heat-resistant release coating agents prepared in Examples 9 to 12 were spray coated with 100 μm, respectively, and thermally cured at 150 ° C. for 100 minutes, and then evaluated for physical properties as follows.

(1) Thermal Shock (Examples 5-12)

Thermal shock resistance was tested for the high heat-resistant release coatings prepared in Examples 5-12. After heating for 1 hour at 600 ℃ electric furnace was observed whether the deformation of the coating film when cooled to room temperature, the results are shown in Table 4 below.

As a result of the test, it was found that except for the sixth example, the thermal shock resistance was excellent.

(2) Release property (Examples 5-12)

Mold release properties were tested on the high heat resistant release coatings prepared in Examples 5-12. After immersion in the molten zinc bath for 1 hour, the resultant was cooled to room temperature by air cooling, and the degree of zinc adhesion of the coating was observed. The results are shown in Table 5 below.

[Criteria]

A: less than 5% of the scrap

B: 5% or more but less than 10% of the deposits

C: 10% or more but less than 30% of the deposits

D: 30% or more but less than 50% of the deposit

E: Scrap is attached to the crack of the deposition site

As a result of the test, it was found that the releasability of Examples 9-11 was superior to Examples 5-8.

Claims (7)

(a) alumina; Silicon dioxide; Zirconia; Potassium oxide; And 100 parts by weight of a sol of a liquid nanocolloidal phase having at least one selected from the group consisting of silicon carbide and having a nanoparticle size of 10 to 50 nm; (b) 5 to 40 parts by weight of an alcohol solvent, (c) tetra methyl orthosilicate; Tetraethyl orthosilicate; Tetrapropyl orthosilicate; Tetrakis (2-hydroxyethyl) orthosilicate; Lithium orthosilicate; Cesium aluminum orthosilicate; Tetrabutyl orthosilicate; Aluminum sec-butoxide; aluminum tributoxide; aluminum ethoxide; diethyl aluminum ethoxide; aluminum isopropoxide; aluminum 3 Aluminum tert-butoxide; aluminum nitrate anhydride; aluminum nitrate nonahydrate; aluminum nitrate eneahydrate; aluminum phenoxide aluminumphenoxide; zirconium acetylacetonate; zirconium bis (diethyl citrato) dipropoxide; zirconium tertbutoxide; zirconium ethoxide Zirconium isopropoxide (zirconium is opropoxide); zirconium trifluoroacetyl acetonate; zirconium tetrakis (2,2,6,6-tetramethyl-3,5-heptanedionate ((zirconium tetrakis (2,2,6, 6-tetrmethyl-3,5-heptanedionate); zirconium diisopropoxidebis (2,2,6,6- tetramethyl-3,5-heptanedionate), zirconium chloride, titanium bis (ethyl acetoacetato) diisopropoxide; Titanium butoxide; Titanium tert-butoxide; Titanium chloride; Titanium diisopropoxide bis (acetylacetonate); Titanium diisopropoxide bis (2,2,6,6-tetrmethyl-3,5-heptanedionate); Titanium ethoxide; Titanium 2-ethyl-1,3-hexanediolate; Titanium 2-ethylhexyloxide; Titanium isopropoxide; Titanium methoxide; Titanium nitrate; Titanium oxide acetylacetonate; Titanium propoxide; And 5 to 45 parts by weight of a sol-gel inorganic ceramic precursor selected from at least one member selected from the group consisting of titanium (triethanolaminato) isopropoxide and titanium (triethanolaminato) isopropoxide; (d) distilled water for ceramic precursor hydrolysis corresponding to 3 to 10 times molar number of the ceramic precursor, (e) silanes; Silazane series; And 0.5-40 parts by weight of an inorganic binder selected from the group consisting of siloxanes, or cationic; Anionic; And 0.5 to 5 parts by weight of a surfactant selected from the group consisting of nonionic surfactants, (f) boron nitride; black smoke; Molybdenum disulfide; Tungsten disulfide; Mica; Talc; And 5 to 50 parts by weight of a solid release agent comprising at least one selected from the group consisting of manganese dioxide, (g) A high heat-resistant release coating agent containing 0.1 to 30 parts by weight of nano manganese particles. The method of claim 1, further comprising silicon dioxide; Alumina; Silicon carbide; And high heat-resistant release coating agent further comprises 0.5 to 35 parts by weight of heat-resistant enhancer selected from the group consisting of zirconia. According to claim 1, wherein the surfactant is polyoxyethylene nonyl phenyl ether (polyoxyethylene nonyl phenyl ether); Polyoxyethylene octyl phenyl ether; Polyoxyethylene lauryl ether; Polyoxyethylene cetyl ether; Polyoxyethylene stearyl ether; Polyoxyethylene oleic ethers; Polyoxyethylene tridecyl ether; Polyoxyethylene lauryl amine; Polyoxyethylene stearyl amine; Polyoxyethylene oleic amines; A high heat resistant release coating agent selected from the group consisting of polyoxyethylene tallow amines. The method of claim 1, wherein the inorganic binder comprises disilane; Dichlorodimethylsilane; Dimethyldichlorosilane; 1,1,1-trimethyl-2,2,2-triphenyldisilane (1,1,1-trimethyl-2,2,2-triphenyldisilane); Diethoxydimethylsilane; Hexamethylcyclotrisilane; Hydroxycyclohexasilane; Ethyldisilane; Dibytyldichlorosilane; Acetoxytrimethylsilane; 2,4,6,8-tetraoxa-5-carbanonasilane (2,4,6,8-tetraoxa-5-carbanonasilane); Octaphenyloxacyclopentasilane; 2,2-dichloro-1-trimethylsiloxytrisilane; 2-bromochloro-1,1-dimethyl-2-pheny-3-propyltrisilane; Acetyltrimethylsilane; Dichloroethylsilane; Allyloxytrimethylsilane; Allyltriethoxylsilane; γ-aminopropylmethyldimethoxysilane; 3-aminopropyltriethoxysilane; 3-aminopropyldiethoxysilane; 3-aminopropyldiethoxysilane; 3-aminopropyltrimethoxysilane; N-aminoethyl-3-aminopropyl-trimethoxysilane; N-aminoethyl-3-aminopropyl-dimethoxymethysilane; Phenyltrimethoxysilane; Phenyltriethoxysilane; Methacryloxysilane; 3-methacryloxytrimethoxysilane; 3-methacrytrimethoxysilane; 3-methacryloxypropyltrimethylsilane; γ-methacryloxypropyltrimethylsilane; γ-methacryloxypropyltriethylsilane; γ-methacryloxypropyltrimethoxylsilane; 3-methacryloxypropyltriethoxylsilane; 3-chloropropyltrimethoxylsiane; Methyltrimethoxysilane; Methyltriethoxysilane; 3-mercaptopropyltrimethoxysilane; 3-mercaptopropyltriethoxysilane. Methylsilane; Ethylsilane; butylsilane; Trimethylsilane; Triethylsilane; Tributylsilane; Tripropylsilane; Butyltrichlorolsilane; Triisopropylsilane; Dimethylphenylsilane; Trimethoxysilane; Tetramethoxysilane; Triethoxysilane; Methyltrimethoxysilane; Methyldietoxysilane; Methyltriethoxysilane; Methoxytrimethylsilane; Ethyltrimethoxysilane; Ethyl triethoxysilane (ethoxytrimethylsilane); Dimethylisopropylsilane; Trimethoxypropylsilane; Triethoxypropylsilane; Triethoxy-3-ureidopropylsilane; Trimethoxy-3-methacryloxysilane; 3-diethylaminopropyltrimethoxysilane; Isobutylrimethoxysilane; 3-glycidyloxypropyltrimethylsilane; 3-glycidyloxypropyltrimethoxysilane; 3-glycidyloxypropyltriethoxysilane; γ-glycidoxypropyltrimethoxysilane; Vinyltriethoxysilane; 3-isocyanatopropyltriethoxysilane; Trisilazane; 1-aminodisilazane; Hexamethyldisilazane; Aminosilazane; Disiloxanes; Hexasiloxane; 1,1,1-trimethyldisiloxane; Cyclotrisiloxane; Hexamethylcyclotrisiloxane; 2-methoxycyclotrisiloxane; Hexachlorodisiloxane; And at least one selected from the group consisting of diphenylsiloxanediol. The method of claim 1, wherein the alcohol solvent is methanol; ethanol; Butanol; Isobutanol; Propanol; And isopropanol. A high heat resistant release coating agent selected from the group consisting of: Air to the high heat-resistant release coating of any one of claims 1 to 3; nitrogen; A method of thermosetting a high heat-resistant release coating agent comprising spray coating a metal or ceramic base material in at least one atmosphere selected from argon and thermal curing at 100 to 200 ° C. for 30 minutes to 120 minutes. (a) mixing and stirring 100 parts by weight of a sol of a liquid nanocolloidal phase having at least one selected from Group A and having a nanoparticle size of 10 to 50 nm with 5 to 40 parts by weight of an alcohol solvent; Group A: alumina; Silicon dioxide; Zirconia; Potassium oxide; And groups composed of silicon carbide (b) 5 to 45 parts by weight of the sol-gel inorganic ceramic precursors selected from the following group B are added to the liquid mixture of the liquid nanocolloid sol and the alcohol obtained in the above (a), and the number of moles of the inorganic ceramic precursor is 3 to 10 times. A ceramic hydrolysis step of adding and stirring distilled water corresponding thereto; Group B: tetra methyl orthosilicate; Tetraethyl orthosilicate; Tetrapropyl orthosilicate; Tetrakis (2-hydroxyethyl) orthosilicate; Lithium orthosilicate; Cesium aluminum orthosilicate; Tetrabutyl orthosilicate; Aluminum sec-butoxide; aluminum tributoxide; aluminum ethoxide; diethyl aluminum ethoxide; aluminum isopropoxide; aluminum 3 Aluminum tert-butoxide; aluminum nitrate anhydride; aluminum nitrate nonahydrate; aluminum nitrate eneahydrate; aluminum phenoxide aluminumphenoxide; zirconium acetylacetonate; zirconium bis (diethyl citrato) dipropoxide; zirconium tertbutoxide; zirconium ethoxide ethoxide; zirconium iso propoxide; zirconium trifluoroacetyl acetonate; zirconium tetrakis (2,2,6,6-tetramethyl-3,5-heptanedionate (zirconium tetrakis (2,2,6, 6-tetrmethyl-3,5-heptanedionate); zirconium diisopropoxidebis (2,2,6,6- tetramethyl-3,5-heptanedionate), zirconium chloride, titanium bis (ethyl acetoacetato) diisopropoxide; Titanium butoxide; Titanium tert-butoxide; Titanium chloride; Titanium diisopropoxide bis (acetylacetonate); Titanium diisopropoxide bis (2,2,6,6-tetrmethyl-3,5-heptanedionate); Titanium ethoxide; Titanium 2-ethyl-1,3-hexanediolate; Titanium 2-ethylhexyloxide; Titanium isopropoxide; Titanium methoxide; Titanium nitrate; Titanium oxide acetylacetonate; Titanium propoxide; And a group consisting of titanium (triethanolaminato) isopropoxide (tethanol aminato) (c) a silane system; Silazane series; And 0.5-40 parts by weight of an inorganic binder selected from the group consisting of siloxanes, or cationic; Anionic; And preparing a solution by adding 0.5-5 parts by weight of at least one surfactant selected from the group consisting of nonionic surfactants, or both, to the ceramic hydrolyzate obtained in (b). (d) boron nitride; black smoke; Molybdenum disulfide; Tungsten disulfide; Mica; Talc; And adding 5 to 50 parts by weight of a solid release agent selected from the group consisting of manganese dioxide to the solution obtained in (c), (e) 0.1 to 30 parts by weight of the nano-manganese particles, the method for producing a high heat-resistant release coating agent comprising the step of adding the solid release agent obtained in (d).