Phosphazene compounds and lubricants containing the same
AssigneeMatsumura Oil Research Corporation
InventorsTamio Akada, Yoshinobu Fujii, Nagayoshi Kobayashi, Rie Fujimoto
Life of this patent
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Abstract
A phosphazene compound of the formula (1) or (5) which has an arrangement such that perfluoroxyalkylene units selected from —CF2O— and —CF2CF2O— are randomly distributed, the compound having a functional terminal group A or group G A—OCH2CF2O(CF2CF2O)p(CF2O)qCF2CH2O—A (1) G—[OCH2CF2O(CF2CF2O)p(CF2O)qCF2CH2OH]6-z (5) wherein A is a group of the formula (a) and G is a group of the formula (g) shown in the specification, and a lubricant containing at least one of the phosphazene compounds of the formulas (1) and (5).
Claims10
A phosphazene compound of the formula (1) which has an arrangement such that perfluoroxyalkylene units selected from —CF2O— and —CF2CF2O— are randomly distributed, the compound having a functional terminal group A
- A—OCH2CF2O(CF2CF2O)p(CF2O)qCF2CH2O—A (1)
- wherein A is a group of the formula (a) shown below, R is a hydrogen atom, C1-4 alkyl, C1-4 alkoxy, C1-4 haloalkyl, aryl, substituted aryl, aryloxy or substituted aryloxy, and p and q are a real number of 1 to 30, and (a) is
A phosphazene compound of the formula (5) which has an arrangement such that perfluoroxyalkylene units selected from —CF2O— and —CF2CF2O— are randomly distributed, the compound having a functional terminal group G
- G—[OCH2CF2O(CF2CF2O)p(CF2O)qCF2CH2OH]6-z (5)
- wherein G is a group of the formula (g) shown below, R is a hydrogen atom, C1-4 alkyl, C1-4 alkoxy, C1-4 haloalkyl, aryl, substituted aryl, aryloxy or substituted aryloxy, and p and q are a real number of 1 to 30, and z is an integer of 1 to 5, and (g) is
A lubricant containing at least one of the phosphazene compounds of the formulas (1) and (5).
A lubricant containing at least one of the phosphazene compounds of the formulas (1) and (5), and an oligomer of perfluoroalkyl polyether of the formula (b) having an average molecular weight of 400 to 6000
- HOCH2CF2O(CF2CF2O)r(CF2O)sCF2CH2OH (b)
- wherein r is 1 to 30, and s is 1 to 30.
A lubricant containing at least one of the phosphazene compounds of the formulas (1) and (5), and an oligomer of perfluoroalkyl polyether of the formula (c)
- X—CF2O(CF2CF2O)m(CF2O)nCF2—Y (c)
- wherein X and Y are each at least one group selected from HO(CH2CH2O)tCH2—, HOCH2CH(OH)CH2OCH2—, HOOC— and piperonyl, m is 1 to 80, n is 1 to 80, and t is 1 to 30.
A lubricant containing at least one of the phosphazene compounds of the formulas (1) and (5), and an oligomer of perfluoroalkyl polyether of the formula (d)
- F—[CF(CF3)CF2O]uCF(CF3)COOH (d)
- wherein u is 1 to 60.
A lubricant containing at least one of the phosphazene compounds of the formulas (1) and (5), and a phosphazene compound of the formula (e)
- [N═P{OCH2CF2CF3}a{OCH2(CF2CF2)xH}b]y (e)
- wherein a and b are each a real number of 0 to 2, a+b=2, x is 1, 2, 3 or 4, and y is 3 or 4.
Dependencies are inferred from the claim text.