WO2017221059A8 - Automotive engine coolant composition, automotive engine concentrated coolant composition, and method of operating internal combustion engine - Google Patents

Automotive engine coolant composition, automotive engine concentrated coolant composition, and method of operating internal combustion engine Download PDF

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Publication number
WO2017221059A8
WO2017221059A8 PCT/IB2017/000747 IB2017000747W WO2017221059A8 WO 2017221059 A8 WO2017221059 A8 WO 2017221059A8 IB 2017000747 W IB2017000747 W IB 2017000747W WO 2017221059 A8 WO2017221059 A8 WO 2017221059A8
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WO
WIPO (PCT)
Prior art keywords
coolant composition
automotive engine
engine
internal combustion
sio
Prior art date
Application number
PCT/IB2017/000747
Other languages
French (fr)
Other versions
WO2017221059A1 (en
Inventor
Yasuaki KODAMA
Takato Sakurai
Kazuhito Yaeda
Yoichiro YOSHII
Yosuke KISHINO
Ryota Makino
Masayuki Nagasawa
Shogo KAMENOUE
Original Assignee
Toyota Jidosha Kabushiki Kaisha
Shin-Etsu Chemical Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Jidosha Kabushiki Kaisha, Shin-Etsu Chemical Co., Ltd. filed Critical Toyota Jidosha Kabushiki Kaisha
Publication of WO2017221059A1 publication Critical patent/WO2017221059A1/en
Publication of WO2017221059A8 publication Critical patent/WO2017221059A8/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/08—Materials not undergoing a change of physical state when used
    • C09K5/10—Liquid materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Degasification And Air Bubble Elimination (AREA)

Abstract

An automotive engine coolant composition includes: a silicone oil compound; a polyether-modified silicone; a non-silicone surfactant; and a base, in which the silicone oil compound contains: at least one type selected from organopolysiloxanes represented by a following general formula (1); and a filler, the polyether-modified silicone is at least one type selected from polyoxyalkylene-modified organopolysiloxanes represented by a following general formula (2), and the base includes at least one alcohol selected from the group consisting of a monohydric alcohol, a dihydric alcohol, a trihydric alcohol, and a glycol monoalkyl ether and/or water and has a kinematic viscosity of 8.5 mm2/s or more at 25 °C and at 2.0 mm2/s or less at 100 °C. RmSiO (4-m)/2 (1), R1 2R3SiO-(R1 2SiO)x- (R1R2SiO)y_SiR1 2R3 (2).
PCT/IB2017/000747 2016-06-24 2017-06-20 Automotive engine coolant composition, automotive engine concentrated coolant composition, and method of operating internal combustion engine WO2017221059A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-125808 2016-06-24
JP2016125808A JP6557182B2 (en) 2016-06-24 2016-06-24 Automotive engine coolant composition, automotive engine concentrated coolant composition, and internal combustion engine operating method

Publications (2)

Publication Number Publication Date
WO2017221059A1 WO2017221059A1 (en) 2017-12-28
WO2017221059A8 true WO2017221059A8 (en) 2018-05-03

Family

ID=59337724

Family Applications (1)

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PCT/IB2017/000747 WO2017221059A1 (en) 2016-06-24 2017-06-20 Automotive engine coolant composition, automotive engine concentrated coolant composition, and method of operating internal combustion engine

Country Status (2)

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JP (1) JP6557182B2 (en)
WO (1) WO2017221059A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6487382B2 (en) 2016-06-24 2019-03-20 トヨタ自動車株式会社 Automotive engine coolant composition, automotive engine concentrated coolant composition, and internal combustion engine operating method
US20220411633A1 (en) * 2019-11-06 2022-12-29 Dow Toray Co., Ltd. Water-soluble silicone anti-foaming agent composition and aqueous coating material containing same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0659365B2 (en) * 1989-01-27 1994-08-10 信越化学工業株式会社 Antifoam composition
JP3027088B2 (en) 1994-06-06 2000-03-27 信越化学工業株式会社 Antifoam composition
JP3194681B2 (en) 1994-12-26 2001-07-30 信越化学工業株式会社 Foam inhibitor composition
JP3151378B2 (en) 1995-05-17 2001-04-03 信越化学工業株式会社 Foam inhibitor composition
KR19980037435A (en) 1996-11-21 1998-08-05 박병재 Cooling Antifreeze Composition
US20090266519A1 (en) * 2004-09-08 2009-10-29 Honeywell International Inc. Heat transfer system, fluid, and method
US8658326B2 (en) * 2004-09-08 2014-02-25 Prestone Products Corporation Heat transfer system, fluid, and method
JP2014012831A (en) * 2012-06-08 2014-01-23 Toyota Motor Corp Coolant composition and method of operating internal combustion engine using the same
JP6045956B2 (en) * 2013-03-28 2016-12-14 シーシーアイ株式会社 Coolant composition
JP6075459B2 (en) * 2013-09-20 2017-02-08 信越化学工業株式会社 Method for producing an antifoam oil compound
JP2015074669A (en) 2013-10-07 2015-04-20 シーシーアイ株式会社 Coolant composition
JP6208620B2 (en) * 2014-05-16 2017-10-04 トヨタ自動車株式会社 Coolant composition and method for operating internal combustion engine using the same

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Publication number Publication date
JP6557182B2 (en) 2019-08-07
WO2017221059A1 (en) 2017-12-28
JP2017226800A (en) 2017-12-28

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