Title:
冷凍機油組成物
Document Type and Number:
Japanese Patent JP4772504
Kind Code:
B2
Abstract:
The first refrigerating machine oil composition of the invention comprises a predetermined base oil, and at least one ester additive selected from esters of a monobasic fatty acid having 12 or more carbon atoms and a monohydric alcohol having 1-24 carbon atoms, and an ester of a chain-like dibasic acid and a monohydric alcohol. The second refrigerating machine oil composition of the invention comprises a predetermined base oil, and at least one oxygen-containing compound selected from the following (A1)-(A6). The third refrigerating machine oil composition of the invention comprises a predetermined base oil, and at least one oxygen-containing compound selected from the following (A1), (A2), (A4), (A7) and (A8). (A1) Alkylene oxide adduct of a polyhydric alcohol having 3-6 hydroxyl groups (A2) Polyalkylene glycol (A3) Trihydric alcohol having 3-20 carbon atoms apart from (A1) (A4) Dihydric alcohol having 2-20 carbon atoms apart from (A2) (A5) Hydrocarbyl ether of (A1)-(A4) (A6) Hydrocarbyl ester of (A1)-(A4) (A7) Hydrocarbyl ether of (A1), (A2) or (A4) (A7) Hydrocarbyl ester of (A1), (A2) or (A4).
More Like This:
Inventors:
Issei Tagawa
Yuji Shimomura
Toshiyuki Obata
Katsuya Takigawa
Yuji Shimomura
Toshiyuki Obata
Katsuya Takigawa
Application Number:
JP2005512509A
Publication Date:
September 14, 2011
Filing Date:
July 29, 2004
Export Citation:
Assignee:
jx Nikko Nisseki Energy Co., Ltd.
International Classes:
C10M169/04; C10M171/00; C10M101/02; C10M105/06; C10M105/32; C10M107/02; C10M107/24; C10M129/70; C10N30/06; C10N30/08; C10N30/10; C10N40/30
Domestic Patent References:
| JP2002194366A | 2002-07-10 | |||
| JPH02158693A | 1990-06-19 | |||
| JPH06100882A | 1994-04-12 |
Foreign References:
| WO2000068345A1 | 2000-11-16 | |||
| WO1991009097A1 | 1991-06-27 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Shiro Terasaki