Global Patent Index - EP 0102088 A2

EP 0102088 A2 19840307 - Methylpolysiloxane hydraulic fluids.

Title (en)

Methylpolysiloxane hydraulic fluids.

Title (de)

Methylpolysiloxan-Hydraulikflüssigkeiten.

Title (fr)

Fluides hydrauliques à base de méthylpolysiloxane.

Publication

EP 0102088 A2 19840307 (EN)

Application

EP 83108576 A 19830831

Priority

JP 15154782 A 19820831

Abstract (en)

A methylpolysiloxane oil containing CH3SiO3/2, (CH3)2SiO, and/or (CH3)3SiO1/2 units and having a specific gravity of 1.02 or greater has been found useful as an hydraulic fluid. The specific gravity of the hydraulic fluid allows for any water introduced into the system to collect as an upper layer above the hydraulic fluid where it can be removed easily. A particularly preferred methylpolysiloxane hydraulic fluid contains 0 to 10 mol percent (CH3)3SiO1/2 units, 45-80 mol percent (CH3)2SiO units, and 20-45 CH3SiO3/2 units with a 1.65 to 1.80 CH2/Si ratio.

IPC 1-7

C10M 3/44

IPC 8 full level

C10M 105/76 (2006.01); C10M 107/50 (2006.01); C10N 40/08 (2006.01)

CPC (source: EP)

C10M 107/50 (2013.01); C10M 2229/041 (2013.01); C10N 2020/01 (2020.05); C10N 2040/08 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0102088 A2 19840307; EP 0102088 A3 19850925; JP S5941394 A 19840307

DOCDB simple family (application)

EP 83108576 A 19830831; JP 15154782 A 19820831