ZA942759B - Copolymer useful as viscosity index improving additive for hydraulic fluid - Google Patents

Copolymer useful as viscosity index improving additive for hydraulic fluid

Info

Publication number
ZA942759B
ZA942759B ZA942759A ZA942759A ZA942759B ZA 942759 B ZA942759 B ZA 942759B ZA 942759 A ZA942759 A ZA 942759A ZA 942759 A ZA942759 A ZA 942759A ZA 942759 B ZA942759 B ZA 942759B
Authority
ZA
South Africa
Prior art keywords
hydraulic fluid
viscosity index
improving additive
index improving
copolymer useful
Prior art date
Application number
ZA942759A
Other languages
English (en)
Inventor
Robert Howard Gore
Bridget Marie Stevens
Original Assignee
Rohm & Haas
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 Rohm & Haas filed Critical Rohm & Haas
Publication of ZA942759B publication Critical patent/ZA942759B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
    • C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
    • C10M145/12—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
    • C10M145/14—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1818—C13or longer chain (meth)acrylate, e.g. stearyl (meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2070/00—Specific manufacturing methods for lubricant compositions
    • C10N2070/02—Concentrating of additives
ZA942759A 1993-07-23 1994-04-21 Copolymer useful as viscosity index improving additive for hydraulic fluid ZA942759B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9675393A 1993-07-23 1993-07-23

Publications (1)

Publication Number Publication Date
ZA942759B true ZA942759B (en) 1995-01-23

Family

ID=22258916

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA942759A ZA942759B (en) 1993-07-23 1994-04-21 Copolymer useful as viscosity index improving additive for hydraulic fluid

Country Status (9)

Country Link
EP (1) EP0635561A3 (xx)
JP (1) JPH0770247A (xx)
CA (1) CA2121764C (xx)
CZ (1) CZ96094A3 (xx)
FI (1) FI941859A (xx)
HU (1) HUT69323A (xx)
NO (1) NO302529B1 (xx)
PL (1) PL303279A1 (xx)
ZA (1) ZA942759B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69524038T2 (de) * 1994-10-12 2003-04-24 Rohmax Additives Gmbh Zusatz für Schmieröl
US5817606A (en) * 1996-08-08 1998-10-06 Rohm And Haas Company Viscosity index improving additives for phosphate ester-containing hydraulic fluids
US5955405A (en) * 1998-08-10 1999-09-21 Ethyl Corporation (Meth) acrylate copolymers having excellent low temperature properties
US6323164B1 (en) 2000-11-01 2001-11-27 Ethyl Corporation Dispersant (meth) acrylate copolymers having excellent low temperature properties
JP3831203B2 (ja) * 2001-04-06 2006-10-11 三洋化成工業株式会社 粘度指数向上剤および潤滑油組成物
US20040092409A1 (en) * 2002-11-11 2004-05-13 Liesen Gregory Peter Alkyl (meth) acrylate copolymers
DE102004021778A1 (de) 2004-04-30 2005-12-08 Rohmax Additives Gmbh Verwendung von Polyalkyl(meth)acrylaten in Schmierölzusammensetzungen
JP2006077119A (ja) * 2004-09-09 2006-03-23 Nok Kluber Kk 潤滑油組成物
JP5246992B2 (ja) * 2005-06-21 2013-07-24 三洋化成工業株式会社 粘度指数向上剤および潤滑油組成物
CN100369946C (zh) * 2005-12-12 2008-02-20 中国海洋石油总公司 一种扩链剂及其制备方法与应用
EP3460028A1 (en) 2009-06-04 2019-03-27 The Lubrizol Corporation Polymethacrylates as high vi viscosity modifiers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2604453A (en) * 1948-12-30 1952-07-22 Standard Oil Dev Co New copolymer compositions
GB785570A (en) * 1954-09-23 1957-10-30 Monsanto Chemicals Functional fluids
US3304260A (en) * 1960-12-30 1967-02-14 Monsanto Co Compositions of improved viscosity index containing alkyl polymethacrylate of high relative syndiotacticity
FR1534501A (fr) * 1967-08-21 1968-07-26 Exxon Research Engineering Co Agents d'amélioration de l'indice de viscosité pour des huiles lubrifiantes et leur procédé de fabrication
DE1913857A1 (de) * 1969-03-19 1970-10-01 Herbert Schreiber Schmieroelzusaetze
GB1347713A (en) * 1971-05-05 1974-02-27 Shell Int Research Alkyl methacrylate polymer compositions suitable as luboil additives
US4146492A (en) * 1976-04-02 1979-03-27 Texaco Inc. Lubricant compositions which exhibit low degree of haze and methods of preparing same
WO1989001507A1 (en) * 1987-08-19 1989-02-23 Pennzoil Products Company Methacrylate pour point depressants and compositions

Also Published As

Publication number Publication date
NO941446L (no) 1995-01-24
HU9401127D0 (en) 1994-07-28
CZ96094A3 (en) 1995-02-15
JPH0770247A (ja) 1995-03-14
CA2121764A1 (en) 1995-01-24
FI941859A0 (fi) 1994-04-21
PL303279A1 (en) 1995-02-06
CA2121764C (en) 2007-09-04
NO941446D0 (no) 1994-04-21
NO302529B1 (no) 1998-03-16
HUT69323A (en) 1995-09-28
FI941859A (fi) 1995-01-24
EP0635561A2 (en) 1995-01-25
EP0635561A3 (en) 1995-06-21

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