IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0744448
(2008-11-20)
|
등록번호 |
US-8568609
(2013-10-29)
|
우선권정보 |
JP-2007-302931 (2007-11-22) |
국제출원번호 |
PCT/JP2008/071101
(2008-11-20)
|
§371/§102 date |
20100524
(20100524)
|
국제공개번호 |
WO2009/066722
(2009-05-28)
|
발명자
/ 주소 |
- Sato, Tokue
- Kaneko, Masato
- Ikeda, Harutomo
|
출원인 / 주소 |
|
대리인 / 주소 |
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
3 |
초록
▼
A lubricating oil composition for refrigerator is formed by adding an organic compound that includes a double bond in the molecule such as α-olefin or conjugated diene to a base oil. Capable of being stably used for a long time in the presence of oxygen, the lubricating oil composition for refrigera
A lubricating oil composition for refrigerator is formed by adding an organic compound that includes a double bond in the molecule such as α-olefin or conjugated diene to a base oil. Capable of being stably used for a long time in the presence of oxygen, the lubricating oil composition for refrigerator according to the invention is suitable for an open-type car air-conditioner, an electric driven car air-conditioner, a gas heat pump, an air conditioning device, a refrigerator, a vending machine, a showcase, various hot-water supply systems or a heating/cooling system.
대표청구항
▼
1. A lubricating oil composition for a refrigerator, comprising: a base oil; and an additive added to the base oil, wherein the base oil is at least one compound selected from the group consisting of alkyl naphthalene, polycarbonate, an ether-base compound represented by formula (1) and a polyalkyle
1. A lubricating oil composition for a refrigerator, comprising: a base oil; and an additive added to the base oil, wherein the base oil is at least one compound selected from the group consisting of alkyl naphthalene, polycarbonate, an ether-base compound represented by formula (1) and a polyalkylene glycol represented by formula (3), Ra—[(ORb)n-(B)—(ORc)k]x-Rd (1) where: Ra and Rd each represent a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an acyl group having 2 to 10 carbon atoms or a hydrocarbon group having 2 to 6 bonding sites and 1 to 10 carbon atoms; Rb and Rc each represent an alkylene group having 2 to 4 carbon atoms; n and k each represent an integer in a range of 0 to 20; x represents an integer in a range of 1 to 6; and (B) represents a polymerization site comprising 3 or more monomer units each represented by formula (2) where: R4, R5 and R6 each represent a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, R4, R5 and R6 being mutually the same or different; R7 represents a divalent hydrocarbon group having 1 to 10 carbon atoms or divalent ether-bonded oxygen-containing hydrocarbon group having 2 to 20 carbon atoms; R8 represents a hydrogen atom, or a hydrocarbon group having 1 to 20 carbon atoms; m represents a number whose average value is in a range of 0 to 10; when m is plural, plural m are mutually the same or different per each unit; R4 to R8 each are mutually the same or different per each unit; when R7O is plural, plural R7O are mutually the same or different; and when both k and n in the formula (1) are 0, m is an integer of 1 or larger in the formula (2), R9—[(OR10)m1—OR11 ]n1 (3)where: R9 represents an alkyl group having 1 to 10 carbon atoms, an acyl group having 2 to 10 carbon atoms or an aliphatic hydrocarbon group having 2 to 6 bonding sites and 1 to 10 carbon atoms, Rl0 represents an alkylene group having 2 to 4 carbon atoms, R11 represents an alkyl group having 1 to 10 carbon atoms or an acyl group having 2 to 10 carbon atoms, n1 represents an integer in a range of 1 to 6, and m1 represents a number that is determined such that the average value of m1 multiplied by n1 is in a range of 6 to 80, andthe additive is selected from the group consisting of 1-tetradecene, 1-hexadecene, and 1-octadecene. 2. A refrigerant, comprising the lubricating oil composition for a refrigerator according to claim 1, wherein the refrigerant comprises: at least one of fluorine-containing organic compounds selected from the group consisting of compounds represented by following molecular formula (A); or a combination of fluorine-containing organic compound and saturated fluorohydrocarbon compound, CpOqFrRs (A) where: R represents a Cl, Br, I or hydrogen atom, p is an integer in a range of 1 to 6, q is an integer in a range of 0 to 2, r is an integer in a range of 1 to 14, and s is an integer in a range of 0 to 13; and if q is 0, p is in a range of 2 to 6, and the molecule comprises at least one carbon-carbon unsaturated bond. 3. The refrigerant according to claim 2, wherein the compound represented by the molecular formula (A) is a compound represented by at least one of molecular formulae C3HF5, C3H2F4, and C3H3F3. 4. The lubricating oil composition for a refrigerator according to claim 1, wherein the base oil is further added with at least one additive selected from the group consisting of an extreme pressure agent, an oiliness agent, an antioxidant, an acid scavenger, a metal deactivator and an antifoaming agent. 5. The lubricating oil composition for a refrigerator according to claim 1, wherein a slide portion of the refrigerator comprises an engineering plastic, an organic coating layer, or an inorganic coating layer. 6. The lubricating oil composition for a refrigerator according to claim 5, wherein the slide portion comprises an organic coating layer and the organic coating layer is a coating layer of polytetrafluoroethylene, a coating layer of polyimide, a coating layer of polyamide-imide or a thermosetting insulating layer comprising a resin paint comprising: a resin base material comprising polyhydroxyether resin and polysulfone-base resin; and a cross-linker. 7. The lubricating oil composition for a refrigerator according to claim 5, wherein the slide portion comprises an inorganic coating layer and the inorganic coating layer is a graphite layer, a diamond-like carbon layer, a tin layer, a chromium layer, a nickel layer, or a molybdenum layer. 8. A heating/cooling system comprising the lubricating oil composition for a refrigerator according to claim 1. 9. The system according to claim 8, wherein a water content within the system is 500 ppm by mass or less while a residual air partial pressure is 13 kPa or less. 10. The lubricating oil composition for a refrigerator according to claim 1, wherein the additive is 1-hexadecene. 11. The lubricating oil composition for a refrigerator according to claim 1, wherein the additive is 1-tetradecene. 12. The lubricating oil composition for a refrigerator according to claim 1, wherein the additive is 1-octadecene.
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