JPS5394306A - Viscosity index improver having high thermal stability - Google Patents
Viscosity index improver having high thermal stabilityInfo
- 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
Links
Landscapes
- 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.
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)
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 |
-
1977
- 1977-01-28 JP JP893977A patent/JPS5394306A/en active Granted
Cited By (4)
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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