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JPS56141395A - Lubricant for sliding bearing in industrial machine - Google Patents

Lubricant for sliding bearing in industrial machine

Info

Publication number
JPS56141395A
JPS56141395A JP4517180A JP4517180A JPS56141395A JP S56141395 A JPS56141395 A JP S56141395A JP 4517180 A JP4517180 A JP 4517180A JP 4517180 A JP4517180 A JP 4517180A JP S56141395 A JPS56141395 A JP S56141395A
Authority
JP
Japan
Prior art keywords
polyamine
lubricant
base
acid
sliding bearing
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
JP4517180A
Other languages
Japanese (ja)
Inventor
Shiyou Ishida
Harumichi Watanabe
Masakuni Hirata
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.)
Eneos Corp
Original Assignee
Nippon Oil Corp
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 Nippon Oil Corp filed Critical Nippon Oil Corp
Priority to JP4517180A priority Critical patent/JPS56141395A/en
Publication of JPS56141395A publication Critical patent/JPS56141395A/en
Pending legal-status Critical Current

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  • Lubricants (AREA)

Abstract

PURPOSE: A lubricant for sliding bearing that is prepared by using a purified mineral oil with a specified viscosity as a base and adding a reaction product from naphthetic acid and a polyamine and a specific antioxidant to the base by specified amounts, thus permitting the disposal of sticky substance formed while employed and preventing the development of foams and rusts.
CONSTITUTION: A purified mineral oil with a dynamic viscosity of 10W10,000cst at 40°C and a viscosity index of higher 80 is used as a base and combined with (A) 0.003W3.0wt% of a reaction product from naphthenic acid and a polyamine and (B) 0.01W3.0wt% of an antioxidant composed of an aromatic amine and/or an alkylphenol to give the objective lubricant. The component A is produced by effecting the reaction between naphthenic acid and a polyamine at a molar ratio 10/1W 1/1 at 100W220°C for 1W2hr. The naphthenic acid preferably has an acid value of 100W250mgKOH/g. As the polyamine, is used, e.g., dithylenetriamine or triethylenetetramine preferably.
COPYRIGHT: (C)1981,JPO&Japio
JP4517180A 1980-04-08 1980-04-08 Lubricant for sliding bearing in industrial machine Pending JPS56141395A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4517180A JPS56141395A (en) 1980-04-08 1980-04-08 Lubricant for sliding bearing in industrial machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4517180A JPS56141395A (en) 1980-04-08 1980-04-08 Lubricant for sliding bearing in industrial machine

Publications (1)

Publication Number Publication Date
JPS56141395A true JPS56141395A (en) 1981-11-05

Family

ID=12711811

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4517180A Pending JPS56141395A (en) 1980-04-08 1980-04-08 Lubricant for sliding bearing in industrial machine

Country Status (1)

Country Link
JP (1) JPS56141395A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01132690A (en) * 1987-11-19 1989-05-25 Nippon Seiko Kk Bearing
JP2000265189A (en) * 1999-03-17 2000-09-26 Nippon Mitsubishi Oil Corp Anticorrosive oil composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01132690A (en) * 1987-11-19 1989-05-25 Nippon Seiko Kk Bearing
JP2000265189A (en) * 1999-03-17 2000-09-26 Nippon Mitsubishi Oil Corp Anticorrosive oil composition

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