Ceramic material made from siloxane-acetylene polymer containing metal-acetylene complex
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08G-079/08
C08G-079/00
C08G-077/398
C08G-077/00
출원번호
UP-0239454
(2005-09-27)
등록번호
US-7579424
(2009-09-08)
발명자
/ 주소
Keller, Teddy M
Kolel veetil, Manoj K
Qadri, Syed B
출원인 / 주소
The United States of America as represented by the Secretary of the Navy
대리인 / 주소
Karasek, John J.
인용정보
피인용 횟수 :
1인용 특허 :
38
초록▼
A ceramic made by providing a composition and pyrolyzing the composition. The composition has siloxane polymer, metallic polymer, siloxane thermoset, and/or metallic thermoset having a backbone having: an acetylenic repeat unit; and--SiR2--(O--SiR2)n--and/or--SiR2--(O--SiR2)n-[Cb-SiR2--(O--SiR 2)n]m
A ceramic made by providing a composition and pyrolyzing the composition. The composition has siloxane polymer, metallic polymer, siloxane thermoset, and/or metallic thermoset having a backbone having: an acetylenic repeat unit; and--SiR2--(O--SiR2)n--and/or--SiR2--(O--SiR2)n-[Cb-SiR2--(O--SiR 2)n]m--. R is an organic group, Cb is a carborane, and n and m are integers greater than or equal to zero. Any crosslinking is a crosslink between acetylene groups and/or a polycarbosiloxane crosslink. The composition also has free metal atoms, metal clusters, or metal nanoparticles dispersed homogeneously throughout the composition; (MLx)y-acetylene complex in the backbone; and/or a metallic compound for forming a (MLx)y-acetylene complex. M is a metal, L is a ligand, x and y are positive integers.
대표청구항▼
What is claimed is: 1. A ceramic made by a method comprising: providing a composition comprising: one or more compounds selected from siloxane linear polymer, metallic linear polymer, thermoset of a siloxane linear polymer, and thermoset of a metallic linear polymer, the compound comprising a backb
What is claimed is: 1. A ceramic made by a method comprising: providing a composition comprising: one or more compounds selected from siloxane linear polymer, metallic linear polymer, thermoset of a siloxane linear polymer, and thermoset of a metallic linear polymer, the compound comprising a backbone comprising: an acetylenic repeat unit; and one or more repeat units selected from--SiR2--(O--SiR2)n--and--SiR2--(O--SiR2)n-[Cb-SiR2--(O--SiR 2)n]m--; wherein each R is an independently selected organic group; wherein each Cb is an independently selected carborane; and wherein each n is an independently selected integer greater than or equal to one; and wherein each m is an independently selected integer greater than or equal to zero; wherein any crosslinking comprises one or more of crosslinks between acetylene groups and polycarbosiloxane crosslinks; and one or more metallic components selected from: free metal atoms, metal clusters, or metal nanoparticles dispersed homogeneously throughout the composition; a (MLx)y-acetylene complex in the backbone; and a metallic compound capable of reacting with the acetylenic repeat unit to form a (MLx)y-acetylene complex; wherein each M is an independently selected metal; wherein each L is an independently selected ligand; and wherein x and y are positive integers; and pyrolyzing the composition. 2. The ceramic of claim 1, wherein each acetylenic repeat unit consists of two groups independently selected from acetylene and (MLx)y-acetylene complex. 3. The ceramic of claim 1, wherein each M is independently selected from main group metals, transition metals, lanthanides, actinides, cobalt, molybdenum, ruthenium, iron, copper, vanadium, chromium, tungsten, manganese, technetium, rhenium, osmium, rhodium, iridium, nickel, gold, palladium, platinum, zirconium, magnesium, samarium, and aluminum. 4. The ceramic of claim 1, wherein each L is independently selected from carbonyl, cyclopentadienyl, pentamethylcyclopentadienyl, trimethylsilylcyclopentadienyl, hexafluroacetylacetonate, cyclooctadiene, acetylacetonate, methyl cyanide, methyl, oxide, thiocyanide, chloride, amino, nitro, trifluoromethylsulfide, trifluoroacetylacetonate, cyano, cyanide, and isocyanide. 5. The ceramic of claim 1, wherein each Cb is--CB10H10C--. 6. The ceramic of claim 1, wherein each R is methyl. 7. The ceramic of claim 1, wherein the metallic compound is one or more of V(CO)6, Cr(CO)6, Mo(CO)6, W(CO)6, Mn2(CO)10, Tc2CO)10, Re2(CO)10, Fe(CO)5, Fe2(CO)9, Fe3(CO)12, Ru(CO)5, Ru3(CO)12, Os(CO)5, Os3(CO)12, Co2(CO)8, Co3(CO)12, Co6(CO)16, Rh4(CO)12, Rh6(CO)16, Ir4(CO)12, Ir6(CO)16, Ni(CO)4, Cp(CH3)5Re(CO)3, Cp(CH3)5Re(CO)3, [Cp(CH3)5]2Cr2(CO)4, Cp2Fe2(CO)4, C6H8Fe(CO)3, C6H8Fe(CO)3, C8H8Fe(CO)3, CpCr(CO)3, Cp2Mo2(CO)6, C7H8Mo(CO)3, CpMn(CO)3, Cp(Si(CH3)3)Mn(CO)3, Cp(CH3)5Rh(CO)2, Cp2Ru2(CO)4, (hexafluroacetylacetonate)Cu(cyclooctadiene), Cr(hexafluroacetylacetonate), Co(acetylacetonate) (CH3CN)4Cu(hexafluroacetylacetonate), (CH3)2Au(acetylacetonate), (cyclooctadiene)Ir(acetylacetonate), Fe(acetylacetonate), Mn(acetylacetonate), MoO2(acetylacetonate)2, Ni(hexafluroacetylacetonate), Ni(cyclooctadiene)2, Ni(SCN)2, PdCl2(CH3CN)2, Pd(NH3)2(NO2)2, Pt(NH3)2Cl2, Rh(cyclooctadiene)2(SO3CF3), Rh(cyclooctadiene)Cl2, Zr(trifluoroacetylacetonate), MgCl2, SmCl2, and AlCl2. 8. The ceramic of claim 1, wherein the backbone further comprises: one or more metallic repeat units selected from metallocenylene,-M'Cp2-, and-M'L'z-; wherein each M' is a metal; wherein Cp is cyclopentadienyl; wherein each L' is an independently selected ligand; and wherein each z is an integer from 2 to 6. 9. The ceramic of claim 8, wherein each metallocenylene is ferrocenylene. 10. The ceramic of claim 8, wherein each M' is independently selected from main group metals, transition metals, lanthanides, actinides, iron, ruthenium, osmium, molybdenum, zirconium, vanadium, tungsten, titanium, platinum, nickel, rhodium, and palladium. 11. The ceramic of claim 8, wherein each L' is independently selected from amino, ethylene, and cyclooctadiene. 12. The ceramic of claim 1, wherein the backbone comprises the formula: wherein Q is the acetylenic repeat unit; wherein Y is a metallic repeat unit selected from metallocenylene,-M'Cp2-, and-M'L'Lz-; wherein each M' is a metal; wherein Cp is cyclopentadienyl; wherein each L' is an independently selected ligand; and wherein each z is an integer from 2 to 6; wherein each p is an integer greater than or equal to zero. 13. The ceramic of claim 12, wherein n, m, and p are, as a group, selected from: n is 1, m is 1, and p is zero; n is 1, m is zero, and p is zero; n is 1, m is 1, and p is 1; and n is 1, m is zero, and p is 1. 14. The ceramic of claim 1, wherein the ceramic comprises one or more metallic components dispersed homogeneously throughout the composition, the metallic component selected from free metal atoms, metal clusters, metal nanoparticles, organometallic compounds, organometallic units, and metal salts. 15. The ceramic of claim 1, wherein the ceramic comprises carbon nanotubes. 16. The ceramic of claim 1, wherein the backbone comprises the formula: wherein Q is the acetylenic repeat unit. 17. The ceramic of claim 1, wherein the backbone consists of the formula: wherein Q is the acetylenic repeat unit. 18. A method of making a ceramic comprising: providing a composition comprising: one or more compounds selected from siloxane linear polymer, metallic linear polymer, thermoset of a siloxane linear polymer, and thermoset of a metallic linear polymer, the compound comprising a backbone comprising: an acetylenic repeat unit; and one or more repeat units selected from--SiR2--(O--SiR2)n--and--SiR2--(O--SiR2)n-[Cb-SiR2--(O--SiR 2)n]m-; wherein each R is an independently selected organic group; wherein each Cb is an independently selected carborane; and wherein each n is an independently selected integer greater than or equal to one; and wherein each m is an independently selected integer greater than or equal to zero; wherein any crosslinking comprises one or more of crosslinks between acetylene groups and polycarbosiloxane crosslinks; and one or more metallic components selected from: free metal atoms, metal clusters, or metal nanoparticles dispersed homogeneously throughout the composition; a (MLx)y-acetylene complex in the backbone; and a metallic compound capable of reacting with the acetylenic repeat unit to form a (MLx)y-acetylene complex; wherein each M is an independently selected metal; wherein each L is an independently selected ligand; and wherein x and y are positive integers; and pyrolyzing the composition. 19. The method of claim 18, wherein each acetylenic repeat unit consists of two groups independently selected from acetylene and (MLx)y-acetylene complex. 20. The method of claim 18, wherein each M is independently selected from main group metals, transition metals, lanthanides, actinides, cobalt, molybdenum, ruthenium, iron, copper, vanadium, chromium, tungsten, manganese, technetium, rhenium, osmium, rhodium, iridium, nickel, gold, palladium, platinum, zirconium, magnesium, samarium, and aluminum. 21. The method of claim 18, wherein each L is independently selected from carbonyl, cyclopentadienyl, pentamethylcyclopentadienyl, trimethylsilylcyclopentadienyl, hexafluroacetylacetonate, cyclooctadiene, acetylacetonate, methyl cyanide, methyl, oxide, thiocyanide, chloride, amino, nitro, trifluoromethylsulfide, trifluoroacetylacetonate, cyano, cyanide, and isocyanide. 22. The method of claim 18, wherein the metallic compound is one or more of V(CO)6, Cr(CO)6, Mo(CO)6, W(CO)6, Mn2(CO)10, Tc2(CO)10, Re2(CO)10, Fe(CO)5, Fe2(CO)9, Fe3(CO)12, Ru(CO)5, Ru3(CO)12, Os(CO)5, Os3(CO)12, Co2(CO)8, Co3(CO)12, Co6(CO)16, Rh4(CO)12, Rh6(CO)16, Ir4(CO)12, Ir6(CO)16, Ni(CO)4, Cp(CH3)5Re(CO)3, Cp(CH3)5Re(CO)3, [Cp(CH3)5]2Cr2(CO)4, Cp2Fe2(CO)4, C6H8Fe(CO)3, C6H8Fe(CO)3, C8H8Fe(CO)3, CpCr(CO)3, Cp2Mo2(CO)6, C7H8Mo(CO)3, CpMn(CO)3, Cp(Si(CH3)3)Mn(CO)3, Cp(CH3)5Rh(CO)2, Cp2Ru2(CO)4, (hexafluroacetylacetonate)Cu(cyclooctadiene), Cr(hexafluroacetylacetonate), Co(acetylacetonate) (CH3CN)4Cu(hexafluroacetylacetonate), (CH3)2Au(acetylacetonate), (cyclooctadiene)Ir(acetylacetonate), Fe(acetylacetonate), Mn(acetylacetonate), MoO2(acetylacetonate)2, Ni(hexafluroacetylacetonate), Ni(cyclooctadiene)2, Ni(SCN)2, PdCl2(CH3CN)2, Pd(NH3)2(NO2)2, Pt(NH3)2Cl2, Rh(cyclooctadiene)2(SO3CF3), Rh(cyclooctadiene)Cl2, Zr(trifluoroacetylacetonate), MgCl2, SmCl2, and AlCl2. 23. The method of claim 18, wherein the backbone further comprises: one or more metallic repeat units selected from metallocenylene, ferrocenylene,-M'Cp2-, and-M'L'z-; wherein each M' is a metal; wherein Cp is cyclopentadienyl; wherein each L' is an independently selected ligand; and wherein each z is an integer from 2 to 6. 24. The method of claim 23, wherein each M' is independently selected from main group metals, transition metals, lanthanides, actinides, iron, ruthenium, osmium, molybdenum, zirconium, vanadium, tungsten, titanium, platinum, nickel, rhodium, and palladium. 25. The method of claim 23, wherein each L' is independently selected from amino, ethylene, and cyclooctadiene. 26. The method of claim 18, wherein the backbone comprises the formula: wherein Q is the acetylenic repeat unit; wherein Y is a metallic repeat unit selected from metallocenylene,-M'Cp2-, and-M'L'z-; wherein each M' is a metal; wherein Cp is cyclopentadienyl; wherein each L' is an independently selected ligand; and wherein each z is an integer from 2 to 6; wherein each p is an integer greater than or equal to zero. 27. The method of claim 26, wherein n, m, and p are, as a group, selected from: n is 1, m is 1, and p is zero; n is 1, m is zero, and p is zero; n is 1, m is 1, and p is 1; and n is 1, m is zero, and p is 1. 28. The method of claim 18, wherein the backbone comprises the formula: wherein Q is the acetylenic repeat unit. 29. The method of claim 18, wherein the backbone consists of the formula: wherein Q is the acetylenic repeat unit.
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이 특허에 인용된 특허 (38)
Keller Teddy M. (Alexandria VA) Henderson Leslie J. (Alexandria VA), Carborane-(silane or siloxane)-unsaturated hydrocarbon based thermosetting polymers.
Keller Teddy M. (Alexandria VA) Henderson ; Jr. Leslie J. (Alexandria VA), Ceramics formed by pyrolysis of either linear or thermosetting carborane (siloxane or silane) acetylene based precursor.
Keller Teddy M. (Alexandria VA) Son David Y. (Alexandria VA), High temperature thermosets and ceramics derived from linear carborane-(siloxane or silane)-acetylene copolymers.
Keller Teddy M. (Alexandria VA) Sundar Raj A. (Basking Ridge NJ), High temperature thermosets/ceramics from novel hybrid copolymer containing random distribution of boranyl, silyl, or si.
Keller Teddy M. ; Sundar Raj A., Linear inorganic-organic hybrid copolymers containing random distribution of boranyl, silyl, or siloxyl, and acetylenic units.
Keller Teddy M. ; Houser Eric J., Polymer precursor composition, crosslinked polymers, thermosets and ceramics made with silyl and siloxyl substituted car.
Keller Teddy M. ; Houser Eric J., Polymer precursor composition, crosslinked polymers, thermosets and ceramics made with silyl and siloxyl substituted carboranes with unsaturated organic end groups.
Tang, Ben Zhong; Xu, Kaitian; Peng, Han; Luo, Jingdong; Zhang, Xixiang; Sun, Qunhui; Lam, Wing Yip; Cha, John A. K., Synthesis of hyperbranched organometallic polymers and their use as precursors to advanced ceramic materials.
Keller, Teddy M.; Homrighausen, Craig L., Synthesis of oligomeric poly(silarylene-siloxane-acetylene)'s and their conversion to high temperature plastics, elastomers, and coatings.
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