JPS57172994A - Brake fluid - Google Patents
Brake fluidInfo
- 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
Links
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
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)
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 joint |
-
1981
- 1981-04-17 JP JP5797381A patent/JPS57172994A/en active Pending
Cited By (1)
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 joint |
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