发明授权
- 专利标题: Polyether-containing composition suitable for use in a refrigerator
- 专利标题(中): 适用于冰箱的含聚醚的组合物
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申请号: US09147147申请日: 1998-10-19
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公开(公告)号: US06406642B1公开(公告)日: 2002-06-18
- 发明人: Genichirou Enna , Hiroki Fukuda , Yoshihiro Ohtsuka
- 申请人: Genichirou Enna , Hiroki Fukuda , Yoshihiro Ohtsuka
- 优先权: JP9-036600 19970220
- 主分类号: C10M10518
- IPC分类号: C10M10518
摘要:
A lubricating oil for freezers, which is made of a polyether represented by the general formula (1): R1 —[X—OR4]5, wherein R1 represents an s-valent group having an aromatic nucleus, X represents a divalent group consisting of —OR2— and —OR3— groups (the numbers of which are q and r, respectively, on average), R2 represents an ethylene group which may have a methyl group or ethyl group, R3 represents an ethylene group having an alkoxymethyl group in which the alkoxyl group has 1 to 4 carbon atoms, and R4 represents an alkyl group having 1 to 10 carbon atoms, s is an integer of 1 to 6, q is 0 to 6, r is at least 0.5, and (q+r)×s is 3 to 80, and which has a high compatibility with HFC refrigerant, a high stability to the hydrolisis and a high volume resistivity.