JPS5339306A - Viscosity index improver having improved viscosity increasing ability - Google Patents

Viscosity index improver having improved viscosity increasing ability

Info

Publication number
JPS5339306A
JPS5339306A JP11415176A JP11415176A JPS5339306A JP S5339306 A JPS5339306 A JP S5339306A JP 11415176 A JP11415176 A JP 11415176A JP 11415176 A JP11415176 A JP 11415176A JP S5339306 A JPS5339306 A JP S5339306A
Authority
JP
Japan
Prior art keywords
viscosity
index improver
increasing ability
improved
viscosity index
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
JP11415176A
Other languages
Japanese (ja)
Other versions
JPS5920715B2 (en
Inventor
Motoyuki Suzuki
Kazunori Fujimoto
Masayuki 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 JP11415176A priority Critical patent/JPS5920715B2/en
Publication of JPS5339306A publication Critical patent/JPS5339306A/en
Publication of JPS5920715B2 publication Critical patent/JPS5920715B2/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

Landscapes

  • Lubricants (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: To improve viscosity increasing ability of poly (meth) acrylate by copolymerizing a specific alkyl (meth) acrylate and styrene or alkylstyrene, while retaining other characteristics.
COPYRIGHT: (C)1978,JPO&Japio
JP11415176A 1976-09-21 1976-09-21 Viscosity index improver with excellent viscosity increasing ability Expired JPS5920715B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11415176A JPS5920715B2 (en) 1976-09-21 1976-09-21 Viscosity index improver with excellent viscosity increasing ability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11415176A JPS5920715B2 (en) 1976-09-21 1976-09-21 Viscosity index improver with excellent viscosity increasing ability

Publications (2)

Publication Number Publication Date
JPS5339306A true JPS5339306A (en) 1978-04-11
JPS5920715B2 JPS5920715B2 (en) 1984-05-15

Family

ID=14630418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11415176A Expired JPS5920715B2 (en) 1976-09-21 1976-09-21 Viscosity index improver with excellent viscosity increasing ability

Country Status (1)

Country Link
JP (1) JPS5920715B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH04149211A (en) * 1990-10-12 1992-05-22 Asahi Chem Ind Co Ltd Novel styrenic resin
WO1995024458A1 (en) * 1994-03-08 1995-09-14 Sanyo Chemical Industries, Ltd. Viscosity index improver and lubricating oil
EP0937769A1 (en) * 1998-02-18 1999-08-25 The Lubrizol Corporation Viscosity improvers for lubricating oil compositions

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH04149211A (en) * 1990-10-12 1992-05-22 Asahi Chem Ind Co Ltd Novel styrenic resin
WO1995024458A1 (en) * 1994-03-08 1995-09-14 Sanyo Chemical Industries, Ltd. Viscosity index improver and lubricating oil
EP0937769A1 (en) * 1998-02-18 1999-08-25 The Lubrizol Corporation Viscosity improvers for lubricating oil compositions

Also Published As

Publication number Publication date
JPS5920715B2 (en) 1984-05-15

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