High performance silicon based thermal coating compositions

1. A silicon based coating composition, comprising:

a. 1% to 99% (w/w) of a first mixture, by weight of the total composition, comprising:

i. 60% to 70% (w/w of the first mixture) polysilazane;

ii. 12% to 22% (w/w of the first mixture) polysiloxane; and

iii. 12% to 22% (w/w of the first mixture) polysilane; and

b. 1% to 99% (w/w) of a second mixture, by weight of the total composition, comprising:

i. 77% to 87% (w/w of the second mixture) high temperature silicone based resin with a heat resistance up to 1200 ° F.;

ii. 7% to 17% (w/w of the second mixture) organic solvent;

iii. 1% to 5% (w/w of the second mixture) ceramic microspheres; and

iv. 1% to 5% (w/w of the second mixture) corrosion inhibitor;

which composition after curing is a thermal barrier coat composition that can withstand temperature over 1600° F. in accordance with ASTM E1530 test standards for heat stability, having a thickness ranging between about 0.4 mil and about 1.5 mil and a hardness ranging between about 4H and about 9H.

2. A silicon based coating composition, comprising:

a. 45% to 55% (w/w) of a first mixture, by weight of the total composition, comprising:

i. 66% (w/w of the first mixture) polysilazane;

ii. 17% (w/w of the first mixture) polysiloxane;

iii. 17% (w/w of the first mixture) polysilane; and

b. 45% to 55% (w/w) of a second mixture, by weight of the total composition, comprising:

i. 82% (w/w of the second mixture) high temperature silicone based resin with a heat resistance up to 1200 ° F.;

ii. 12% (w/w of the second mixture) organic solvent;

iii. 3% (w/w of the second mixture) ceramic microspheres; and

iv. 3% (w/w of the second mixture) corrosion inhibitor;

which composition after curing is a thermal barrier coat composition that can withstand temperature over 1600° F. in accordance with ASTM E1530 test standards for heat stability, having a thickness ranging between about 0.4 mil and about 1.5 mil and a hardness ranging between about 4H and about 9H.

3. A silicon based coating composition, comprising:

a. 85% to 95% (w/w) of a first mixture, by weight of the total composition, comprising:

i. 66% (w/w of the first mixture) polysilazane;

ii. 17% (w/w of the first mixture) polysiloxane;

iii. 17% (w/w of the first mixture) polysilane; and

b. 5% to 15% (w/w) of a second mixture, by weight of the total composition, comprising:

i. 82% (w/w of the second mixture) high temperature silicone based resin with a heat resistance up to 1200 ° F.;

ii. 12% (w/w of the second mixture) organic solvent;

iii. 3% (w/w of the second mixture) ceramic microspheres; and

iv. 3% (w/w of the second mixture) corrosion inhibitor;

which composition after curing is a thermal barrier coat composition that can withstand temperatures over 1600° F. in accordance with ASTM E1530 test standards for heat stability, having a thickness ranging between about 0.4 mil and about 1.5 mil and a hardness ranging between about 4H and about 9H.

4. A silicon based coating composition, comprising:

a. 5% to 15% (w/w) of a first mixture, by weight of the total composition, comprising:

i. 66% (w/w of the first mixture) polysilazane;

ii. 17% (w/w of the first mixture) polysiloxane;

iii. 17% (w/w of the first mixture) polysilane; and

b. 85% to 95% of a second mixture, by weight of the total composition, comprising

i. 82% (w/w of the second mixture) high temperature silicone based resin with a heat resistance up to 1200 ° F.;

ii. 12% (w/w of the second mixture) organic solvent;

iii. 3% (w/w of the second mixture) ceramic microspheres; and

iv. 3% (w/w of the second mixture) corrosion inhibitor;

which composition after curing is a thermal barrier coat composition that can withstand temperatures over 1600° F. in accordance with ASTM E1530 test standards for heat stability, having a thickness ranging between about 0.4 mil and about 1.5 mil and a hardness ranging between about 4H and about 9H.

5. A silicon based coating composition, comprising:

a. 23% to 33% (w/w) of a first mixture, by weight of the total composition, comprising

i. 66% (w/w of the first mixture) polysilazane;

ii. 17% (w/w of the first mixture) polysiloxane;

iii. 17% (w/w of the first mixture) polysilane; and

b. 46% to 66% (w/w) of a second mixture, by weight of the total composition, comprising

i. 82% (w/w of the second mixture) high temperature silicone based resin with a heat resistance up to 1200 ° F.;

ii. 12% (w/w of the second mixture) organic solvent;

iii. 3% (w/w of the second mixture) ceramic microspheres; and

iv. 3% (w/w of the second mixture) corrosion inhibitor, by weight of the second mixture;

c. 1% to 30% (w/w of the total composition) mica pigments selected from the group consisting of mica group minerals, silica group minerals, and any combination thereof;

which composition after curing is a thermal barrier coat composition that can withstand temperatures over 1600° F. in accordance with ASTM E1530 test standards for heat stability, having a thickness ranging between about 0.4 mil and about 1.5 mil and a hardness ranging between about 4H and about 9H.

6. A method of coating a surface, which method comprises:

a. mixing a mixture of constituents to form a silicon based coating composition comprising one or more selected from the group consisting of:

i. a silicon based coating composition, comprising: 1% to 99% (w/w) of a first mixture, by weight of the total composition, comprising: 60% to 70% (w/w of the first mixture) polysilazane; 12% to 22% (w/w of the first mixture) polysiloxane; and 12% to 22% (w/w of the first mixture) polysilane; and 1% to 99% (w/w) of a second mixture, by weight of the total composition, comprising: 77% to 87% (w/w of the second mixture) high temperature silicone based resin with a heat resistance up to 1200 ° F.; 7% to 17% (w/w of the second mixture) organic solvent;1% to 5% (w/w of the second mixture) ceramic microspheres; and 1% to 5% (w/w of the second mixture) corrosion inhibitor;

ii. a silicon based coating composition, comprising: 45% to 55% (w/w) of a first mixture, by weight of the total composition, comprising: 66% (w/w of the first mixture) polysilazane; 17% (w/w of the first mixture) polysiloxane; 17% (w/w of the first mixture) polysilane; and 45% to 55% (w/w) of a second mixture, by weight of the total composition, comprising: 82% (w/w of the second mixture) high temperature silicone based resin with a heat resistance up to 1200 ° F.; 12% (w/w of the second mixture) organic solvent; 3% (w/w of the second mixture) ceramic microspheres; and 3% (w/w of the second mixture) corrosion inhibitor;

iii. a silicon based coating composition, comprising: 85% to 95% (w/w) of a first mixture, by weight of the total composition, comprising: 66% (w/w of the first mixture) polysilazane; 17% (w/w of the first mixture) polysiloxane; 17% (w/w of the first mixture) polysilane; and 5% to 15% (w/w) of a second mixture, by weight of the total composition, comprising: 82% (w/w of the second mixture) high temperature silicone based resin with a heat resistance up to 1200 ° F.; 12% (w/w of the second mixture) organic solvent; 3% (w/w of the second mixture) ceramic microspheres; and 3% (w/w of the second mixture) corrosion inhibitor;

iv. a silicon based coating composition, comprising: 5% to 15% (w/w) of a first mixture, by weight of the total composition, comprising: 66% (w/w of the first mixture) polysilazane; 17% (w/w of the first mixture) polysiloxane; 17% (w/w of the first mixture) polysilane; and 85% to 95% of a second mixture, by weight of the total composition, comprising 82% (w/w of the second mixture) high temperature silicone based resin with a heat resistance up to 1200 ° F.; 12% (w/w of the second mixture) organic solvent; 3% (w/w of the second mixture) ceramic microspheres; and 3% (w/w of the second mixture) corrosion inhibitor; and

v. a silicon based coating composition, comprising 23% to 33% (w/w) of a first mixture, by weight of the total composition, comprising 66% (w/w of the first mixture) polysilazane; 17% (w/w of the first mixture) polysiloxane; 17% (w/w of the first mixture) polysilane; and 46% to 66% (w/w) of a second mixture, by weight of the total composition, comprising 82% (w/w of the second mixture) high temperature silicone based resin with a heat resistance up to 1200 ° F.; 12% (w/w of the second mixture) organic solvent; 3% (w/w of the second mixture) ceramic microspheres; and 3% (w/w of the second mixture) corrosion inhibitor, by weight of the second mixture; 1% to 30% (w/w of the total composition) mica pigments selected from the group consisting of mica group minerals, silica group minerals, and any combination thereof;

b. coating the mixture onto a surface;

c. curing the coating ambiently with or without additional heat;

wherein the coating after curing is a thermal barrier coat composition that can withstand temperatures over 1600° F. in accordance with ASTM E1530 test standards for heat stability, having a thickness ranging between about 0.4 mil and about 1.5 mil and a hardness ranging between about 4H and about 9H.

7. The method of claim 6 , wherein the polysilazane is in n-butyl acetate or tert-butyl acetate.

8. The method of claim 6 , wherein the polysiloxane comprises polydimethylsiloxane and is in isopropyl acetate.

9. The method of claim 6 , wherein the polysilane is in a mixture of pentyl acetate, 2-methyl butyl acetate, isoamyl acetate and isoparaffin.

10. The method of claim 6 , wherein the surface is made of material including glass, metal, paint, composite, gel coat, and any combinations thereof.

11. The method of claim 10 , wherein the surface is of an aircraft, a missile, a marine vessel, a land vehicle, an equipment, a building, an appliance, a furniture, a floor, and any other exposed surface that reducing friction, protection from dragging, protection from extreme heat, ice build-up and UV degradation, and/or decreased cleaning and maintenance are desirable.