JPS5566995A - Lubricant oil composition and its preparation - Google Patents

Lubricant oil composition and its preparation

Info

Publication number
JPS5566995A
JPS5566995A JP13936278A JP13936278A JPS5566995A JP S5566995 A JPS5566995 A JP S5566995A JP 13936278 A JP13936278 A JP 13936278A JP 13936278 A JP13936278 A JP 13936278A JP S5566995 A JPS5566995 A JP S5566995A
Authority
JP
Japan
Prior art keywords
lubricant oil
oil
olefin
soluble polymer
alkyl ester
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.)
Granted
Application number
JP13936278A
Other languages
Japanese (ja)
Other versions
JPS5940194B2 (en
Inventor
Riichiro Nagano
Ryosuke Kanashige
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.)
Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical Industries 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 Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Priority to JP53139362A priority Critical patent/JPS5940194B2/en
Priority to PCT/JP1979/000289 priority patent/WO1980000976A1/en
Priority to EP79901541A priority patent/EP0022871B2/en
Priority to DE7979901541T priority patent/DE2966681D1/en
Priority to US06/196,913 priority patent/US4388202A/en
Publication of JPS5566995A publication Critical patent/JPS5566995A/en
Publication of JPS5940194B2 publication Critical patent/JPS5940194B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: An oil-soluble polymer of α-olefin is dissolved in a lubricant oil and an unsaturated monocarboxylic alkyl ester is made to react with them to produce said lubricant oil composition with high viscosity index and detergent dispersity.
CONSTITUTION: An oil-soluble polymer of α-olefin is dissolved in a lubricant oil and an unsaturated monocarboxylic alkyl ester is made to act on them under conditions where the homopolymer of the alkyl ester does not form. Then, the product is diluted with the lubricant oil to give the objective lubricant oil composition. The oil-soluble polymer of α-olefin is preferably an amorphous rubber that has 5,000 or higher molecular weight, 0.1W500 melt index at 190°C, no thermal-sbsorbing peak in the scanning type differential thermal analysis and 0% crystallinity in X-ray diffraction.
COPYRIGHT: (C)1980,JPO&Japio
JP53139362A 1978-11-14 1978-11-14 Lubricating oil composition and its manufacturing method Expired JPS5940194B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP53139362A JPS5940194B2 (en) 1978-11-14 1978-11-14 Lubricating oil composition and its manufacturing method
PCT/JP1979/000289 WO1980000976A1 (en) 1978-11-14 1979-11-13 Lubricating oil composition and process for producing same
EP79901541A EP0022871B2 (en) 1978-11-14 1979-11-13 Lubricating oil composition and process for producing same
DE7979901541T DE2966681D1 (en) 1978-11-14 1979-11-13 Lubricating oil composition and process for producing same
US06/196,913 US4388202A (en) 1978-11-14 1979-11-13 Lubricating oil composition and process for preparation thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53139362A JPS5940194B2 (en) 1978-11-14 1978-11-14 Lubricating oil composition and its manufacturing method

Publications (2)

Publication Number Publication Date
JPS5566995A true JPS5566995A (en) 1980-05-20
JPS5940194B2 JPS5940194B2 (en) 1984-09-28

Family

ID=15243554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53139362A Expired JPS5940194B2 (en) 1978-11-14 1978-11-14 Lubricating oil composition and its manufacturing method

Country Status (1)

Country Link
JP (1) JPS5940194B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02242894A (en) * 1989-03-06 1990-09-27 Mitsui Petrochem Ind Ltd Lubricating oil composition and lubricating oil additive
JP2020094140A (en) * 2018-12-13 2020-06-18 三井化学株式会社 Viscosity index improver for lubricant oil, and lubricant oil composition
JP2020122119A (en) * 2019-01-31 2020-08-13 三井化学株式会社 Viscosity index improver for lubricant and lubricant composition

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02242894A (en) * 1989-03-06 1990-09-27 Mitsui Petrochem Ind Ltd Lubricating oil composition and lubricating oil additive
JP2020094140A (en) * 2018-12-13 2020-06-18 三井化学株式会社 Viscosity index improver for lubricant oil, and lubricant oil composition
JP2020122119A (en) * 2019-01-31 2020-08-13 三井化学株式会社 Viscosity index improver for lubricant and lubricant composition

Also Published As

Publication number Publication date
JPS5940194B2 (en) 1984-09-28

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