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JPS57172994A - Brake fluid - Google Patents

Brake fluid

Info

Publication number
JPS57172994A
JPS57172994A JP5797381A JP5797381A JPS57172994A JP S57172994 A JPS57172994 A JP S57172994A JP 5797381 A JP5797381 A JP 5797381A JP 5797381 A JP5797381 A JP 5797381A JP S57172994 A JPS57172994 A JP S57172994A
Authority
JP
Japan
Prior art keywords
brake fluid
temp
phenyl
low
polydiorganosiloxane
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
JP5797381A
Other languages
Japanese (ja)
Inventor
Shun Miura
Kunio Ito
Shinzo Kita
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.)
Momentive Performance Materials Japan LLC
Original Assignee
Toshiba Silicone 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 Toshiba Silicone Co Ltd filed Critical Toshiba Silicone Co Ltd
Priority to JP5797381A priority Critical patent/JPS57172994A/en
Publication of JPS57172994A publication Critical patent/JPS57172994A/en
Pending legal-status Critical Current

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  • Lubricants (AREA)

Abstract

PURPOSE: A brake fluid usable under wide temp. conditions ranging from a low temp. to a high temp., which comprises a polydiorganosiloxane and a low- molecular polyorganosiloxane.
CONSTITUTION: 100pts.wt. polydiorganosiloxane (A) of formulaI(wherein R1 is methyl or phenyl and a mono-valent hydrocarbon group which is the same to or different from each other, wherein the content of phenyl is 25% or less; n is at least 10, satisfying the viscosity range) of viscosity 15W500cst at 25°C, is compounded with 4W30pts.wt. low-molecular organosiloxane (B) of formula II (wherin R2 is alkyl or phenyl; a is 2W3; m is 2W7, of m.p.≤20°C and b.p.≥170°C miscible with component A at 0W250°C.
EFFECT: The titled brake fluid is excellent in sealability for a brake system and usable as a brake fluid of DOT5 specification being used at a working temp. of 230W250°C, because it adequately swells a rubber cup without shrinkage.
COPYRIGHT: (C)1982,JPO&Japio
JP5797381A 1981-04-17 1981-04-17 Brake fluid Pending JPS57172994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5797381A JPS57172994A (en) 1981-04-17 1981-04-17 Brake fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5797381A JPS57172994A (en) 1981-04-17 1981-04-17 Brake fluid

Publications (1)

Publication Number Publication Date
JPS57172994A true JPS57172994A (en) 1982-10-25

Family

ID=13070946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5797381A Pending JPS57172994A (en) 1981-04-17 1981-04-17 Brake fluid

Country Status (1)

Country Link
JP (1) JPS57172994A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62283194A (en) * 1986-05-30 1987-12-09 Shin Etsu Chem Co Ltd Silicone working fluid for fluid couplings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62283194A (en) * 1986-05-30 1987-12-09 Shin Etsu Chem Co Ltd Silicone working fluid for fluid couplings

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