GB837679A - Mixtures of triaryl phosphates - Google Patents

Mixtures of triaryl phosphates

Info

Publication number
GB837679A
GB837679A GB33999/56A GB3399956A GB837679A GB 837679 A GB837679 A GB 837679A GB 33999/56 A GB33999/56 A GB 33999/56A GB 3399956 A GB3399956 A GB 3399956A GB 837679 A GB837679 A GB 837679A
Authority
GB
United Kingdom
Prior art keywords
phenol
mixture
xylenols
triaryl phosphate
cresol
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
GB33999/56A
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.)
Celanese Corp
Original Assignee
Celanese Corp
Celanese Corp of America
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 Celanese Corp, Celanese Corp of America filed Critical Celanese Corp
Publication of GB837679A publication Critical patent/GB837679A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/49Phosphorus-containing compounds
    • C08K5/51Phosphorus bound to oxygen
    • C08K5/52Phosphorus bound to oxygen only
    • C08K5/521Esters of phosphoric acids, e.g. of H3PO4
    • C08K5/523Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/06Phosphorus compounds without P—C bonds
    • C07F9/08Esters of oxyacids of phosphorus
    • C07F9/09Esters of phosphoric acids
    • C07F9/12Esters of phosphoric acids with hydroxyaryl compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04Phosphate esters
    • C10M2223/041Triaryl phosphates
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/08Hydraulic fluids, e.g. brake-fluids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Lubricants (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Hydraulic systems contain as the operative fluid a triaryl phosphate mixture obtainable by reacting an ester-forming derivative of phosphoric acid with a mixture of phenol, cresols, xylenols, and higher alkyl monohydric phenols in which the alkyl group or groups of each phenol contain a total of 3 to 6 carbon atoms in such proportions as to give a product having a viscosity of 140 to 160 S.U.S. at 100 DEG F. (see Group IV (b)). The triaryl phosphate mixture is also useful as a lubricant. Suitable phenol mixtures are those comprising by weight 6 to 10% phenol, 35 to 45% of meta- and para-cresol, 10 to 14% of ortho cresol, 25 to 35% of xylenols and 8 to 12% of the higher alkyl phenols, e.g. propyl phenol, methyl ethyl phenol and butyl phenol.ALSO:A triaryl phosphate mixture is obtained by reacting an ester-forming derivative of phosphoric acid with a mixture of phenol, cresols, xylenols and higher alkyl monohydric phenols in which the alkyl group or groups of each phenol contain a total of 3 to 6 carbon atoms in such proportions as to give a product having a viscosity of 140 to 160 S.U.S. at 100 DEG F. The invention also includes triaryl phosphate mixtures obtainable by such process. Specified ester-forming phosphoric acid drivatives are phosphorus-oxychloride, -pentoxide and -pentachloride. It is preferred to use mixtures containing by weight 6 to 10% (preferably 8%) of phenol, 35 to 45% (preferably 40%) of meta-and para-cresol, 10 to 14% (preferably 12%) of ortho-cresol, 25 to 35% (preferably 30%) of xylenols and 8 to 12% (preferably 10%) of the higher alkyl phenols, e.g. propyl phenol, methyl ethyl phenol, and butyl phenol and an excess of 5 to 8% by weight of phenols is generally used. A metal halide catalyst, e.g. aluminium chloride or magnesium chloride may be present. The triaryl phosphate mixtures are useful as lubricants, as working fluids in hydraulic systems (see Group III) and as plasticizers for various thermoplastic materials (see Group IV (a)).ALSO:A thermoplastic material, e.g. polyvinyl chloride or a cellulosic thermoplastic such as a cellulose ester of a saturated aliphatic monocarboxylic acid containing 2 to 4 carbon atoms or a cellulose ether, e.g. ethyl cellulose, is plasticized with a triaryl phosphate mixture obtainable by reacting an ester-forming derivative of phosphoric acid with a mixture of phenol, cresols, xylenols and higher alkyl monohydric phenols in which the alkyl group or groups of each phenol contain a total of 3 to 6 carbon atoms in such proportions as to give a product having a viscosity of 140 to 160 SUS at 100 DEG F. (see Group IV (b)). Suitable phenol mixtures are those comprising by weight 6 to 10% (preferably 8%) of phenol, 35 to 45% (preferably 40%) of meta- and para-cresol, 10 to 14% (preferably 12%) of ortho cresol, 25 to 35% (preferably 30%) of xylenols and 8 to 12% (preferably 10%) of the higher alkyl phenols, e.g. propyl phenol, methyl ethyl phenol, and butyl phenol. In an example, 40 parts of a triaryl phosphate mixture obtained by reacting a phenol mixture of the preferred composition given above with phosphorus oxychloride is blended with 60 parts of polyvinyl chloride and 1.0 part of lead stearate is added, all parts being by weight.
GB33999/56A 1955-11-08 1956-11-07 Mixtures of triaryl phosphates Expired GB837679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US837679XA 1955-11-08 1955-11-08

Publications (1)

Publication Number Publication Date
GB837679A true GB837679A (en) 1960-06-15

Family

ID=22180569

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33999/56A Expired GB837679A (en) 1955-11-08 1956-11-07 Mixtures of triaryl phosphates

Country Status (1)

Country Link
GB (1) GB837679A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4139487A (en) 1965-12-01 1979-02-13 Albright & Wilson Limited Mixed tri-aryl (phenyl and alkylphenyl) phosphate esters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4139487A (en) 1965-12-01 1979-02-13 Albright & Wilson Limited Mixed tri-aryl (phenyl and alkylphenyl) phosphate esters

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