公开(公告)号：US20190127659A1

公开(公告)日：2019-05-02

申请号：US16092630

申请日：2017-04-14

申请人： JXTG NIPPON OIL & ENERGY CORPORATION

发明人： Hiroko SHIMPO ,  Kentaro YAMAGUCHI ,  Hidetoshi OGATA ,  Takeshi OKIDO

IPC分类号： C10M169/04 ,  C10M105/38 ,  C10M107/24 ,  C10M145/14 ,  C09K5/04

摘要： The present invention provides a refrigerating machine oil comprising: a lubricating base oil; and 40 mass % or less of a polymer, based on a total amount of the refrigerating machine oil, the polymer having a structural unit represented by the following formula (I) and a weight average molecular weight of from 500 to 100000. [In formula (I), Ra, Rb and Rc each independently represents a hydrogen atom or a hydrocarbon group, and Rd represents an oxygen-containing organic group or a C1-18 hydrocarbon group.]

公开(公告)号：US20180201867A1

公开(公告)日：2018-07-19

申请号：US15918689

申请日：2018-03-12

申请人： JXTG NIPPON OIL & ENERGY CORPORATION

发明人： Masanori SAITO ,  Hiroko SHIMPO ,  Kuniko ADEGAWA

IPC分类号： C10M169/04 ,  C10M171/00 ,  C09K5/04

CPC分类号： C10M169/04 ,  C09K5/042 ,  C09K5/045 ,  C09K2205/12 ,  C09K2205/122 ,  C09K2205/126 ,  C09K2205/22 ,  C10M171/008 ,  C10M2203/1025 ,  C10M2207/283 ,  C10M2207/2835 ,  C10M2209/043 ,  C10M2209/1055 ,  C10M2219/082 ,  C10M2219/083 ,  C10M2219/087 ,  C10M2223/04 ,  C10M2223/041 ,  C10N2220/022 ,  C10N2220/302 ,  C10N2220/303 ,  C10N2230/02 ,  C10N2230/06 ,  C10N2230/70 ,  C10M2209/1085

摘要： The present invention provides a refrigerating machine oil comprising a base oil; a sulfide compound; and an orthophosphoric acid ester, wherein a content of the sulfide compound is 0.01 to 2.0% by mass and a content of the orthophosphoric acid ester is 0.1 to 5.0% by mass, based on a total amount of the refrigerating machine oil, and the refrigerating machine oil having a kinematic viscosity at 40° C. of 3 to 500 mm2/s.

公开(公告)号：US20180215977A1

公开(公告)日：2018-08-02

申请号：US15748343

申请日：2016-07-26

申请人： JXTG NIPPON OIL & ENERGY CORPORATION

发明人： Takeshi OKIDO ,  Hiroko SHIMPO ,  Yuya MIZUTANI ,  Hidetoshi OGATA

IPC分类号： C09K5/04 ,  C10M105/38 ,  C10M105/42

摘要： The present invention provides a working fluid composition for a refrigerating machine containing: a refrigerating machine oil containing: a first ester that is a polyol ester of dipentaerythritol and at least one fatty acid selected from fatty acids having 4 to 10 carbon atoms, and has a kinematic viscosity at 100° C. of 7.0 mm2/s or more; and a second ester that is a complex ester of a polyhydric alcohol containing at least one selected from neopentyl glycol, trimethylolpropane and pentaerythritol, a polybasic acid having 6 to 12 carbon atoms, and a monohydric alcohol having 4 to 18 carbon atoms or a fatty acid having 4 to 18 carbon atoms; and a refrigerant containing difluoromethane.

公开(公告)号：US20170327765A1

公开(公告)日：2017-11-16

申请号：US15522670

申请日：2015-10-22

申请人： JXTG Nippon Oil & Energy Corporation

发明人： Hitoshi TAKAHASHI ,  Hiroko SHIMPO ,  Souichirou KONNO ,  Ken SAWADA ,  Kentaro YAMAGUCHI

IPC分类号： C10M171/00 ,  C11C3/00 ,  C08K5/053 ,  C08K5/09

CPC分类号： C10M171/008 ,  C08K5/053 ,  C08K5/09 ,  C09K5/04 ,  C10M2207/283 ,  C10M2207/2835 ,  C10N2220/021 ,  C10N2220/30 ,  C10N2220/302 ,  C10N2230/08 ,  C10N2230/70 ,  C10N2240/30 ,  C11C3/003

摘要： The present invention provides a refrigerating machine oil containing an ester base oil obtained from pentaerythritol and mixed fatty acids of a fatty acid having 8 carbon atoms and a fatty acid having 9 carbon atoms, wherein a ratio of a weight average molecular weight Mw to a number average molecular weight Mn, Mw/Mn, of the ester base oil is 1.06 to 1.20, and used with a mildly flammable hydrofluorocarbon refrigerant.