GB600693A - Foam reducing compositions and methods of producing same - Google Patents

Foam reducing compositions and methods of producing same

Info

Publication number
GB600693A
GB600693A GB28780/45A GB2878045A GB600693A GB 600693 A GB600693 A GB 600693A GB 28780/45 A GB28780/45 A GB 28780/45A GB 2878045 A GB2878045 A GB 2878045A GB 600693 A GB600693 A GB 600693A
Authority
GB
United Kingdom
Prior art keywords
per cent
oils
active
oil
silicones
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
GB28780/45A
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.)
Shell Development Co
Original Assignee
Shell Development 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 Shell Development Co filed Critical Shell Development Co
Publication of GB600693A publication Critical patent/GB600693A/en
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/04—Mineral tanning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B17/00—Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor
    • B24B17/04—Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor involving optical auxiliary means, e.g. optical projection form grinding machines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
    • C08G77/28—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen sulfur-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
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    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C10M171/004—Foam inhibited lubricant compositions
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    • C08G77/045—Polysiloxanes containing less than 25 silicon atoms
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    • C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
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    • C10M2205/16—Paraffin waxes; Petrolatum, e.g. slack wax
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/12—Groups 6 or 16
    • 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
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/14—Group 7
    • 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
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/16—Groups 8, 9, or 10
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/042—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for automatic transmissions
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/044—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives
    • 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
    • C10N2040/20—Metal working
    • C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
    • 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
    • C10N2060/00—Chemical after-treatment of the constituents of the lubricating composition
    • C10N2060/04—Oxidation, e.g. ozonisation
    • 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

Abstract

A foam inhibitor suitable for lubricating oils, e.g. motor oils and detergent or "H.D." lubricating oils, comprises a hydrocarbon or mixture of hydrocarbons having a viscosity of less than about 50 S.U.S. at 100 DEG F. and containing dissolved therein a minor proportion of an active foam-reducing compound of the formula <FORM:0600693/III/1> wherein R represents the same or different saturated non-aromatic hydrocarbon radicals and n is a positive integer of at least 2. Each R may be a saturated alkyl radical such as methyl, the active defoaming agent being for example polymerized dimethyl silicone, and the hydrocarbon mixture may be an aliphatic petroleum fraction having a viscosity of between 40 and 50 S.U.S. at 100 DEG F. The composition may also contain an active amount of an oil-soluble detergent tending to increase foaming, such as a diphenate of an alkaline earth metal. The composition may be incorporated in a lubricating oil by agitating the mixture by passing a gas through it and the hydrocarbon solvent for the active defoamer may be sufficiently volatile to be substantially removed from the lubricating oil by the passage of the gas, leaving the silicone or other active defoamer (which is insoluble in lubricating oils or nearly so) dispersed throughout the lubricating oil The concentrations of the polymers of low molecular weight silicones, particularly dimethyl silicone, may range from about 0.0001 per cent to 0.01 per cent by weight and seldom above 0.1 per cent of the lubricating oil. Larger proportions of polymers of higher mol. weight silicones, e.g. of dicetyl silicone, may be used, for example 0.05 per cent to 0.5 per cent by weight, particularly in soluble cutting oils containing very viscous base oils and considerable proportions of emulsifier. Silicones containing not less than about 24 carbon atoms per monomeric unit are most effective foam inhibitors for oil-in-water emulsions, and those containing about 10 or less carbon atoms per unit are preferable for controlling foaming of water-in-oil emulsions and single phase organic liquids such as hydrocarbons. Specifications 542,655, [Group IV], and 572,331 and J.A.C.S. 63, 798 (1941) describing the manufacture of silicones are referred to.
GB28780/45A 1945-01-22 1945-10-30 Foam reducing compositions and methods of producing same Expired GB600693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US574039A US2435124A (en) 1945-01-22 1945-01-22 Method of dispersing a foam-reducing silicon-containing compound

Publications (1)

Publication Number Publication Date
GB600693A true GB600693A (en) 1948-04-15

Family

ID=24294436

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28780/45A Expired GB600693A (en) 1945-01-22 1945-10-30 Foam reducing compositions and methods of producing same

Country Status (4)

Country Link
US (1) US2435124A (en)
DE (1) DE907207C (en)
GB (1) GB600693A (en)
NL (1) NL66837C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627474A (en) * 1949-11-08 1953-02-03 Texas Co Rust preventive compositions containing a wax-soap base
EP0006000A1 (en) * 1978-05-31 1979-12-12 Michael Stanley Bingley Method of making silicone-containing lubricating oils
EP0916377A2 (en) * 1997-11-14 1999-05-19 Dow Corning S.A. Foam control compositions

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563588A (en) * 1951-08-07 Soluble cutting oils
US2523730A (en) * 1948-03-01 1950-09-26 Rolls Royce Jointing compounds and processes for the production thereof
US2585119A (en) * 1948-03-12 1952-02-12 Union Oil Company Of Cailforni Method of preventing foaming in transferring hot asphalt
US2661302A (en) * 1950-04-11 1953-12-01 Texas Co Process of preparing dense compositions of asphalt and asbestos
US2684336A (en) * 1950-06-02 1954-07-20 Douglas Aircraft Co Inc Silicone lubricant containing trialkyl phosphate
US2702793A (en) * 1950-06-13 1955-02-22 Texas Co Foam-inhibiting and foam-inhibited compositions
US2724698A (en) * 1950-12-01 1955-11-22 Exxon Research Engineering Co Lubricating oil anti-foaming agent
US2789379A (en) * 1953-01-19 1957-04-23 Leroy B Edwards Compositions for use in steam ironing and pressing
US2768955A (en) * 1953-08-25 1956-10-30 Texas Co Permanent anti-freeze liquid containing an anti-foam phase of a silicone in a mineral lubricating oil
DE1052614B (en) * 1955-01-18 1959-03-12 Union Carbide Corp Foam prevention with hydrocarbon oils
US2813077A (en) * 1955-03-25 1957-11-12 Exxon Research Engineering Co Prevention of foaming in lubricants
NL134016C (en) * 1963-08-27
US3298963A (en) * 1965-09-20 1967-01-17 Frank James Stuart Detergent breaker composition
EP0529161A1 (en) * 1991-08-23 1993-03-03 Ethyl Petroleum Additives, Inc. Lubricants and functional fluids having enhanced foam-inhibiting properties

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2129281A (en) * 1936-03-23 1938-09-06 Continental Oil Co Lubricating oils
US2371763A (en) * 1937-01-05 1945-03-20 Associated Oil Company Lubricant and process for preparing the same
US2242400A (en) * 1937-09-13 1941-05-20 Standard Oil Co Extreme pressure lubricant
US2384384A (en) * 1942-02-26 1945-09-04 Corning Glass Works Polymeric silicone and methods of making it
US2406971A (en) * 1942-05-16 1946-09-03 Frank J Sowa Lubricant and process of lubricating surfaces therewith
US2386259A (en) * 1942-07-30 1945-10-09 Gen Electric Waterproofing treatment of materials
US2375007A (en) * 1943-04-15 1945-05-01 Shell Dev Antifoaming composition
US2416504A (en) * 1945-01-03 1947-02-25 Gulf Research Development Co Prevention of foaming of hydrocarbon oils

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627474A (en) * 1949-11-08 1953-02-03 Texas Co Rust preventive compositions containing a wax-soap base
EP0006000A1 (en) * 1978-05-31 1979-12-12 Michael Stanley Bingley Method of making silicone-containing lubricating oils
EP0916377A2 (en) * 1997-11-14 1999-05-19 Dow Corning S.A. Foam control compositions
EP0916377A3 (en) * 1997-11-14 1999-06-16 Dow Corning S.A. Foam control compositions

Also Published As

Publication number Publication date
NL66837C (en)
US2435124A (en) 1948-01-27
DE907207C (en) 1954-03-22

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