JPS5394306A - Viscosity index improver having high thermal stability - Google Patents

Viscosity index improver having high thermal stability

Info

Publication number
JPS5394306A
JPS5394306A JP893977A JP893977A JPS5394306A JP S5394306 A JPS5394306 A JP S5394306A JP 893977 A JP893977 A JP 893977A JP 893977 A JP893977 A JP 893977A JP S5394306 A JPS5394306 A JP S5394306A
Authority
JP
Japan
Prior art keywords
thermal stability
high thermal
viscosity index
index improver
copolymerization
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
JP893977A
Other languages
Japanese (ja)
Other versions
JPS6139360B2 (en
Inventor
Shoji Takigawa
Kazunori Fujimoto
Koreyuki Yoshida
Koichi Fujita
Kiyoshi Teranishi
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.)
Sanyo Chemical Industries Ltd
Original Assignee
Sanyo Chemical 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 Sanyo Chemical Industries Ltd filed Critical Sanyo Chemical Industries Ltd
Priority to JP893977A priority Critical patent/JPS5394306A/en
Publication of JPS5394306A publication Critical patent/JPS5394306A/en
Publication of JPS6139360B2 publication Critical patent/JPS6139360B2/ja
Granted legal-status Critical Current

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  • Lubricants (AREA)

Abstract

PURPOSE:To prepare a viscosity index improver having high thermal stability by the copolymerization of alkyl (meth) acrylate, styrene, and specific monomer.
JP893977A 1977-01-28 1977-01-28 Viscosity index improver having high thermal stability Granted JPS5394306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP893977A JPS5394306A (en) 1977-01-28 1977-01-28 Viscosity index improver having high thermal stability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP893977A JPS5394306A (en) 1977-01-28 1977-01-28 Viscosity index improver having high thermal stability

Publications (2)

Publication Number Publication Date
JPS5394306A true JPS5394306A (en) 1978-08-18
JPS6139360B2 JPS6139360B2 (en) 1986-09-03

Family

ID=11706629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP893977A Granted JPS5394306A (en) 1977-01-28 1977-01-28 Viscosity index improver having high thermal stability

Country Status (1)

Country Link
JP (1) JPS5394306A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5566997A (en) * 1978-11-14 1980-05-20 Mitsui Petrochem Ind Ltd Lubricant oil
FR2497822A1 (en) * 1981-01-12 1982-07-16 Organo Synthese Ste Fse ADDITIVES FOR LUBRICATING OILS BASED ON STYRENE AND C12-C20 ALKYL HEAVY METHACRYLATES, MANUFACTURING METHOD AND APPLICATIONS
US4790948A (en) * 1986-10-14 1988-12-13 Texaco Inc. Lubricating oil containing dispersant viscosity index improver

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5566997A (en) * 1978-11-14 1980-05-20 Mitsui Petrochem Ind Ltd Lubricant oil
JPS638159B2 (en) * 1978-11-14 1988-02-20 Mitsui Petrochemical Ind
FR2497822A1 (en) * 1981-01-12 1982-07-16 Organo Synthese Ste Fse ADDITIVES FOR LUBRICATING OILS BASED ON STYRENE AND C12-C20 ALKYL HEAVY METHACRYLATES, MANUFACTURING METHOD AND APPLICATIONS
US4790948A (en) * 1986-10-14 1988-12-13 Texaco Inc. Lubricating oil containing dispersant viscosity index improver

Also Published As

Publication number Publication date
JPS6139360B2 (en) 1986-09-03

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