High purity polysilocarb materials, applications and processes
Organosilicon chemistry, polymer derived ceramic materials, and methods. Such materials and methods for making polysilocarb (SiOC) and Silicon Carbide (SiC) materials having 3-nines, 4-nines, 6-nines and greater purity. Processes and articles utilizing such high purity SiOC and SiC.
1. A high purity SiOC composition consisting essentially of: 1% to 99% silicon, 1% to 99% carbon and 1% to 99% oxygen; and wherein the composition is substantially free from impurities, whereby the composition is at last 99.99% pure; and having a molar ratio of about 30%to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon.
2. A high purity SiOC composition consisting essentially of: 1% to 99% silicon, 1% to 99% carbon and 1% to 99% oxygen; and wherein the composition is substantially free from impurities, whereby the composition is at last 99.99% pure; and having a molar ratio of about 50% to 65% carbon, about 20% to 30% oxygen, and about 15% to 20% silicon.
3. A high purity SiOC cured material comprising: silicon, carbon and oxygen; a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon; and wherein the composition has less than 10 ppm of Al, less than 10 ppm B, and less than 10 ppm N.
4. A high purity SiOC cured material comprising: silicon, carbon and oxygen; a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon; and wherein the composition has less than 1 ppm of A1, less than 1 ppm B, and less than 1 ppm N.
5. A high purity SiOC cured material comprising: silicon, carbon and oxygen; a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon; and wherein the composition has less than 10 ppm of A1,less than 10 ppm B, less than 10 ppm Na.
6. A high purity SiOC cured material comprising: silicon, carbon and oxygen; a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon; and wherein the composition has less than 1 ppm of A1, less than 1 ppm B, less than 1 ppm Na.
7. A high purity SiOC cured material comprising: silicon, carbon and oxygen; a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon; and wherein the composition has less than 10 ppm of A1,less than 10 ppm B, less than 10 ppm P.
8. A high purity SiOC cured material comprising: silicon, carbon and oxygen; a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon; and wherein the composition has less than 1 ppm of A1, less than 1 ppm B, less than 1 ppm P.
9. A high purity SiOC cured material comprising: silicon, carbon and oxygen; a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon; and wherein the composition has less than a total of 1 ppm of A1, B, and P.
10. A high purity SiOC cured material comprising: silicon, carbon and oxygen; a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon; and wherein the composition has less than a total of 10 ppm of A1, B, and P.
11. A high purity SiOC cured material comprising: silicon, carbon and oxygen; a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon; and wherein the composition has less than a total of 10 ppm of A1, B, N, Na, and P.
12. A high purity SiOC cured material comprising: silicon, carbon and oxygen; a molar ratio of about 30% to 85% carbon, about 5% to 40% oxygen, and about 5% to 35% silicon; and wherein the composition has less than a total of 10 ppm of A1, B, Fe, Na, and P.