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Title:
REFRIGERATING MACHINE OIL AND COMPOSITION FOR REFRIGERATING MACHINES
Document Type and Number:
WIPO Patent Application WO/2017/222004
Kind Code:
A1
Abstract:
This refrigerating machine oil is a refrigerating machine oil for refrigerants containing difluoromethane (R32), and contains: a polyvinyl ether compound (A) comprising a constituent unit (a1) that has a methoxyethyl group in a side chain; and at least one agent selected from the group consisting of antioxidants (B) and acid scavengers (C).

Inventors:
NAKAJIMA, So (24-4, Anesakikaigan Ichihara-sh, Chiba 07, 〒2990107, JP)
MATSUMOTO, Tomoya (24-4, Anesakikaigan Ichihara-sh, Chiba 07, 〒2990107, JP)
Application Number:
JP2017/022949
Publication Date:
December 28, 2017
Filing Date:
June 22, 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:
C10M107/24; C09K5/04; C10M129/10; C10M129/18; C10M137/04; C10N20/02; C10N30/00; C10N30/06; C10N30/10; C10N40/30
Domestic Patent References:
WO2008108365A12008-09-12
WO2013005647A12013-01-10
Foreign References:
JP2011046880A2011-03-10
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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