IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
UP-0138856
(2008-06-13)
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등록번호 |
US-7666949
(2010-04-09)
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발명자
/ 주소 |
- Grootaert, Werner M. A.
- Adair, Eric W.
- Guerra, Miguel A.
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출원인 / 주소 |
- 3M Innovative Properties Company
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
79 |
초록
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A curative composition comprising a cation and an anion of the formula Anq−Qpm+, wherein m, n, p, and q are positive integers, wherein m*p=n*q, wherein Qm+ is an organo onium, and Aq− is an anion, provided that at least one Aq− is selected from the formula: wherein each R in
A curative composition comprising a cation and an anion of the formula Anq−Qpm+, wherein m, n, p, and q are positive integers, wherein m*p=n*q, wherein Qm+ is an organo onium, and Aq− is an anion, provided that at least one Aq− is selected from the formula: wherein each R independently is H, halo, alkyl, aryl, aralkyl, or cycloalkyl, and which also may be halogenated, fluorinated, or perfluorinated, wherein two or more of R and R′ groups may together form a ring, wherein each R group independently may contain one or more heteroatom(s), wherein R′ can be the same as R, with the proviso that R′ cannot be halo. Also provided are a fluoropolymer composition including this curative, a method of making a fluoropolymer, and fluoropolymer articles containing curable or cured fluoropolymer compositions.
대표청구항
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We claim: 1. A fluoropolymer comprising a curative composition comprising a cation and an anion of Formula I: Anq−Qpm+ (I) wherein m, n, p, and q are positive integers, wherein m*p=n*q, wherein Qm+ is an organo onium, and Aq− is an anion, provided that at least one
We claim: 1. A fluoropolymer comprising a curative composition comprising a cation and an anion of Formula I: Anq−Qpm+ (I) wherein m, n, p, and q are positive integers, wherein m*p=n*q, wherein Qm+ is an organo onium, and Aq− is an anion, provided that at least one Aq− is selected from Formula II: wherein each R independently is H, halo, alkyl, aryl, aralkyl, or cycloalkyl, and which also may be halogenated, fluorinated, or perfluorinated, wherein two or more of R and R′ groups may together form a ring, wherein each R group independently may contain one or more heteroatom(s), wherein R′ is the same as R, with the proviso that R′ cannot be halo. 2. A fluoroelastomer composition comprising: a fluoroelastomer comprising nitrogen-containing cure sites; and a cation and an anion of Formula I: Anq−Qpm+ (I) wherein m, n, p, and q are positive integers, wherein m*p=n*q, wherein Q is H or a Group I or Group II metal or Qm+ is an organo onium, and Aq− is an anion, provided that at least one Aq− is selected from Formula II: wherein each R independently is H, halo, alkyl, aryl, aralkyl, or cycloalkyl, and which also may be halogenated, fluorinated, or perfluorinated, wherein two or more of R and R′ groups may together form a ring, wherein each R group independently may contain one or more heteroatom(s), wherein R′ is the same as R, with the proviso that R′ cannot be halo. 3. The composition of claim 2 wherein the cation is selected from the group consisting of Group I and Group II metal ions. 4. The composition of claim 2 wherein the cation is selected from sodium, cesium, calcium, and magnesium. 5. The composition of claim 2 wherein Q is H, and optionally further comprising an organic or inorganic base. 6. The composition of claim 2 wherein precursor material to the cation component and/or the anion component is provided to the composition. 7. The composition of claim 2 wherein the cation and/or the anion is made in situ, optionally by reacting the free alcohol precursor(s) with a suitable base in the composition, wherein the base is optionally selected from Ca(OH)2 and/or MgO. 8. A fluoroelastomer composition comprising the curative composition of claim 1 and a fluoroelastomer, which may be perfluorinated, having interpolymerized units of a nitrogen-containing cure site monomer, which may be a nitrile-containing cure site monomer. 9. The fluoroelastomer composition of claim 8 wherein the fluoroelastomer further comprising a filler, optionally wherein the filler is selected from PTFE and/or periluoroalkoxy (PFA). 10. The fluoroelastomer composition of claim 8 wherein the fluoroelastomer comprises interpolymerized units of tetrafluoroethylene and a perfluoroalkylvinylether, perfluoroalkoxyvinylether, periluoroalkeneether, and/or perfluoroalkoxyalkeneether. 11. The composition according to claim 8 wherein the fluoroelastomer comprises interpolymerized units derived from tetrafluoroethylene, a fluorinated comonomer, and optionally one or more periluorovinyl ethers. 12. A composition according to claim 11 wherein the fluorinated comonomer is selected from perfluoroolefins, partially-fluorinated olefins, non-fluorinated olefins, vinylidene fluoride, and combinations thereof. 13. A composition according to claim 8 wherein said cure site monomer is selected from a compound of the formula CF2═CFO(CF2)LCN; CF2═CFO(CF2)uOCF(CF3)CN; CF2═CFO[CF2CF(CF3)O]q(CF2O)yCF(CF3)CN; or CF2═CF[OCF2CF(CF3)]rO(CF2)tCN; wherein L=2-12; q=0-4; r=1-2; y=0-6; t=1-4, and u=2-6; perfluoro(8-cyano-5-methyl-3,6-dioxa-1-octene), and CF2═CFO(CF2)5CN. 14. A composition according to claim 8 further comprising a filler, optionally selected from fluoropolymer filler, carbon black, and combinations thereof. 15. The composition of claim 8 further comprising an additional curative, optionally wherein the additional curative is selected from ammonia-generating compounds, substituted triazine derivatives, unsubstituted triazine derivatives, peroxides, bis-aminophenols, bis-amidooximes, an organotin compound, or an amidine, bis-amidine, tris-amidine, or tetra-amidine or a salt thereof. 16. A shaped article comprising the fluoropolymer composition of claim 2. 17. A shaped article comprising the fluoropolymer composition of claim 8. 18. The article of claim 17 having a visible light transmission selected from at least about 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, and 95%. 19. The article of claim 17 having a compression set value after 70 hours at 230° C. or higher, selected from below about 65%, 60%, 55%, 50%, 45%, 40%, 35%, 30%, 25%, and 20%, or a compression set value after 70 hours at 300° C. or higher, selected from below about 65%, 60%, 55%, 50%, 45%, and 40%. 20. The composition of claim 8 further comprising a fluoropolymer having interpolymerized units derived from monomers selected from the group consisting of perfluoroolefins, partially-fluorinated olefins, non-fluorinated olefins, vinylidene fluoride, perfluoroalkeneethers, and combinations thereof. 21. The composition of claim 20 further comprising a material selected from ammonium salts, ammonia-generating compounds, substituted triazine derivatives, unsubstituted triazine derivatives, peroxides optionally with a coagent, bis-aminophenols, bis-amidooximes, an organotin compound, or an amidine, bis-amidine, tris-amidine, or tetra-amidine, or a salt thereof and wherein the coagent optionally is selected from triallyl cyanurate; triallyl isocyanurate; tri(methylallyl) isocyanurate; tris(diallylamine)-s-triazine; triallyl phosphite; N,N-diallyl acrylamide; hexaallyl phosphoramide; N,N,N′,N′-tetraalkyl tetraphthalamide; N,N,N′,N′-tetraallyl malonamide; trivinyl isocyanurate; 2,4,6-trivinyl methyltrisiloxane; and tri(5-norbomene-2-methylene)cyanurate. 22. A method of making a fluoropolymer composition comprising: forming a mixture comprising a curative composition according to claim 1 and a fluoroelastomer having interpolymerized units of a nitrogen-containing cure site monomer, which may be perfluorinated. 23. A method of making a fluoropolymer article comprising: providing the mixture of claim 22, shaping the mixture; curing the shaped mixture to form an article; and optionally post-curing the article. 24. The method of claim 23 wherein precursors to the curative are added to the mixture. 25. A method of making a fluoropolymer composition comprising: forming a mixture comprising a composition according to claim 2. 26. A method of making a fluoropolymer article comprising: forming a mixture comprising a composition according to claim 25; shaping the mixture; curing the shaped mixture to form an article; and optionally post-curing the article.
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