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Patent Searching and Data


Title:
REFRIGERATOR OIL AND COMPOSITION FOR REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2017/188151
Kind Code:
A1
Abstract:
Provided is refrigerator oil containing a dissolution agent, a viscosity index improver, and at least one type of oxygen-containing base oil selected from the group consisting of aliphatic monoethers and aliphatic diethers. The refrigerant oil has a viscosity index (VI) of 200 or greater, and a volume resistivity of 1 × 109 Ω•m or greater. Thus, both the viscosity index and the volume resistivity are increased without causing phase separation.

Inventors:
NAKANO, Taeko (1280, Kamiizumi Sodegaura-sh, Chiba 93, 〒2990293, JP)
OKAMOTO, Makoto (1280, Kamiizumi Sodegaura-sh, Chiba 93, 〒2990293, JP)
YOSHIDA, Yukio (1280, Kamiizumi Sodegaura-sh, Chiba 93, 〒2990293, JP)
KISEN, Tadashi (1280, Kamiizumi Sodegaura-sh, Chiba 93, 〒2990293, JP)
Application Number:
JP2017/016044
Publication Date:
November 02, 2017
Filing Date:
April 21, 2017
Export Citation:
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Assignee:
IDEMITSU KOSAN CO.,LTD. (1-1 Marunouchi 3-chome, Chiyoda-ku Tokyo, 21, 〒1008321, JP)
International Classes:
C10M105/18; C09K5/04; C10M169/04; C10M145/04; C10M145/26; C10N20/00; C10N20/02; C10N20/04; C10N30/00; C10N30/02; C10N40/30
Domestic Patent References:
WO2007046196A12007-04-26
WO2014104174A12014-07-03
WO2017047621A12017-03-23
Foreign References:
JPH09235577A1997-09-09
JPS60123577A1985-07-02
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (OHTANI PATENT OFFICE, Toranomon ES Bldg. 7F. 25-2, Toranomon 3-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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