JPS5599998A - Hydraulic fluid composition - Google Patents

Hydraulic fluid composition

Info

Publication number
JPS5599998A
JPS5599998A JP669479A JP669479A JPS5599998A JP S5599998 A JPS5599998 A JP S5599998A JP 669479 A JP669479 A JP 669479A JP 669479 A JP669479 A JP 669479A JP S5599998 A JPS5599998 A JP S5599998A
Authority
JP
Japan
Prior art keywords
formula
parts
monoalkyl ether
poeg
poag
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP669479A
Other languages
Japanese (ja)
Inventor
Takuro Handa
Hitoshi Umemura
Tei Tanaka
Makoto Yodo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Adeka Corp
Original Assignee
Asahi Denka Kogyo KK
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 Asahi Denka Kogyo KK filed Critical Asahi Denka Kogyo KK
Priority to JP669479A priority Critical patent/JPS5599998A/en
Publication of JPS5599998A publication Critical patent/JPS5599998A/en
Pending legal-status Critical Current

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  • Lubricants (AREA)

Abstract

PURPOSE: Title composition that contains a mixture of polyoxyalkylene glycol monoalkyl ether and a specific borate ester as the major component, thus being suitably used as brake fluid because of its high boiling point at moisture-adsorption equilibrium and good viscosity behavior at low temperatures.
CONSTITUTION: The objective composition comprises (A) 38W66 parts by wt of a mixture of compounds of formula I and II that is obtained by adding a boron compound to a polyoxytheylene glycol (POEG) monoalkyl ether of 120W250 molecular weight shown as formula I and causing the reaction between them so that the content of the borate ester of formula II becomes 15W20wt%, (B) 10W33parts of polyoxyalkylene glycol (POAG) monoalkyl ether of formula III, (C) 10W30 parts of POEG monoalkyl ether of formula IV, (D) 5W20 parts of POEG of formula V and (E) 1W15 parts of POAG ether mono or polyol of formula VI, wherein the content of the component of formula II is less than 10wt%.
COPYRIGHT: (C)1980,JPO&Japio
JP669479A 1979-01-23 1979-01-23 Hydraulic fluid composition Pending JPS5599998A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP669479A JPS5599998A (en) 1979-01-23 1979-01-23 Hydraulic fluid composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP669479A JPS5599998A (en) 1979-01-23 1979-01-23 Hydraulic fluid composition

Publications (1)

Publication Number Publication Date
JPS5599998A true JPS5599998A (en) 1980-07-30

Family

ID=11645442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP669479A Pending JPS5599998A (en) 1979-01-23 1979-01-23 Hydraulic fluid composition

Country Status (1)

Country Link
JP (1) JPS5599998A (en)

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