GB785570A - Functional fluids - Google Patents

Functional fluids

Info

Publication number
GB785570A
GB785570A GB27068/55A GB2706855A GB785570A GB 785570 A GB785570 A GB 785570A GB 27068/55 A GB27068/55 A GB 27068/55A GB 2706855 A GB2706855 A GB 2706855A GB 785570 A GB785570 A GB 785570A
Authority
GB
United Kingdom
Prior art keywords
acrylate
copolymer
centipoises
viscosity
sept
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.)
Expired
Application number
GB27068/55A
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.)
Monsanto Chemicals Ltd
Monsanto Chemical Co
Original Assignee
Monsanto Chemicals Ltd
Monsanto Chemical Co
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 Monsanto Chemicals Ltd, Monsanto Chemical Co filed Critical Monsanto Chemicals Ltd
Publication of GB785570A publication Critical patent/GB785570A/en
Expired legal-status Critical Current

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
    • 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/102—Aliphatic fractions
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Lubricants (AREA)

Abstract

785,570. Hydraulic fluids. MONSANTO CHEMICAL CO. Sept. 22, 1955 [Sept. 23, 1954], No. 27068/55. Class 69 (2). A functional fluid comprises a mineral oil having a pour-point below - 70‹ F., a flash point above 180‹ F. and a viscosity less than 12 centipoises at 100‹ F., and a copolymer of at least one alkyl acrylate having 8 to 10 carbon atoms in the alkyl group with methyl and/or ethyl acrylate, the copolymer having an average of from 5.5 to 7 carbon atoms in the alkyl groups and a molecular weight such that the specific viscosity at 77‹ F. of a 2 per cent by weight solution thereof in toluene is from 0.4 to 1.2, the copolymer being present in an amount sufficient to give a composition having a viscosity of at least 8 centipoises at 130‹ F., but not greater than 700 centipoises at - 40‹ F. The concentration of copolymer in mineral oil may be between 3 and 20 per cent by weight. In examples compositions are prepared containing polymers of 2-ethylhexyl acrylate with ethyl acrylate. Other monomers mentioned are noctyl acrylate, n-nonyl acrylate, n-decyl acrylate, 1,1,3,3-tetramethylbutyl acrylate, 1,3,5- trimethylhexyl acrylate, 2,2,4,4-tetramethylpentyl acrylate and 2,4,6-trimethylheptyl acrylate. Mixtures of monomers may be used to form the polymer.
GB27068/55A 1954-09-23 1955-09-22 Functional fluids Expired GB785570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US785570XA 1954-09-23 1954-09-23

Publications (1)

Publication Number Publication Date
GB785570A true GB785570A (en) 1957-10-30

Family

ID=22144790

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27068/55A Expired GB785570A (en) 1954-09-23 1955-09-22 Functional fluids

Country Status (1)

Country Link
GB (1) GB785570A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0635561A2 (en) * 1993-07-23 1995-01-25 Rohm And Haas Company Copolymer useful as viscosity index improving additive for hydraulic fluid
WO1995023200A1 (en) * 1994-02-25 1995-08-31 Exxon Chemical Patents Inc. Oil compositions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0635561A2 (en) * 1993-07-23 1995-01-25 Rohm And Haas Company Copolymer useful as viscosity index improving additive for hydraulic fluid
EP0635561A3 (en) * 1993-07-23 1995-06-21 Rohm & Haas Copolymer useful as viscosity index improving additive for hydraulic fluid.
WO1995023200A1 (en) * 1994-02-25 1995-08-31 Exxon Chemical Patents Inc. Oil compositions

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