LUBRICANT OIL COMPOSITION

Title:

LUBRICANT OIL COMPOSITION

Document Type and Number:

Japanese Patent JPH0641572

Kind Code:

A

Abstract:

PURPOSE: To provide the lubricant oil composition excellent in thermal oxidation stability and especially suitable for film-stretching machines.

CONSTITUTION: The lubricant oil composition is produced by adding a phosphite or amine compound and a hindered phenolic additive having a mol.wt. of 500-1200 to a polyalkylene glycol lubricant base oil. A heat-resistant polyalkylene glycol oil is preferably also added, and th5 further addition of a hindered phenolic additive having a mol.wt. of 300-500 permits to especially reduces the production of sludges.

Inventors:

KOGANEI KATSUYA
NOMURA KENJI
KURIBAYASHI TOSHIAKI

Application Number:

JP12730093A

Publication Date:

February 15, 1994

Filing Date:

May 28, 1993

Export Citation:

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Assignee:

TONEN CORP

International Classes:

C10M169/04; C10N20/04; C10N30/04; C10N30/10; C10N40/06; (IPC1-7): C10M169/04

Attorney, Agent or Firm:

Kohei Kubota (3 outside)

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