EP0431458A1 - Reinigungszusammensetzung - Google Patents

Reinigungszusammensetzung Download PDF

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Publication number
EP0431458A1
EP0431458A1 EP90122748A EP90122748A EP0431458A1 EP 0431458 A1 EP0431458 A1 EP 0431458A1 EP 90122748 A EP90122748 A EP 90122748A EP 90122748 A EP90122748 A EP 90122748A EP 0431458 A1 EP0431458 A1 EP 0431458A1
Authority
EP
European Patent Office
Prior art keywords
cleaning composition
cleaning
composition according
hcf2
weight
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.)
Withdrawn
Application number
EP90122748A
Other languages
English (en)
French (fr)
Inventor
Hirokazu Aoyama
Eiji Seki
Yukio Omure
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.)
Daikin Industries Ltd
Original Assignee
Daikin 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27339673&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0431458(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP0431458A1 publication Critical patent/EP0431458A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/261—Alcohols; Phenols
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/50—Solvents
    • C11D7/5004—Organic solvents
    • C11D7/5018—Halogenated solvents
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
    • C23G5/028—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons
    • C23G5/02803—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/24—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/264—Aldehydes; Ketones; Acetals or ketals
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/266—Esters or carbonates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/28—Organic compounds containing halogen

Definitions

  • the present invention relates to a cleaning composition and more particularly to a cleaning composition which is suitable for removal of fluxes, fats and oils, dust, etc. deposited on IC components, components of precision instruments or the like.
  • R-113 is nonflammable, low in toxicity and excellent in stability. Further, R-113, which has a proper solvency, can selectively dissolve only dirts and is unlikely to corrode metals, plastics, elastomers and the like.
  • Printed boards to be cleaned for removal of fluxes are mostly composite products composed of metals, plastics, elastomers and the like. Also from this viewpoint, R-113 is beneficial.
  • R-113 is being restricted because R-113 would be likely to destroy the ozone layer in the stratosphere and may become the cause of cutaneous cancer.
  • a cleaning composition containing as an active component an aliphatic fluorohydrocarbon represented by the formula C n F m H 2n +2-m wherein 4 ⁇ n ⁇ 6 and 6 ⁇ m ⁇ 12.
  • the cleaning composition according to the invention contains as an active component an aliphatic fluorohydrocarbon represented by the formula C n F m H2n+2-m wherein 4 ⁇ n ⁇ 6 and 6 ⁇ m ⁇ 12.
  • Such compound has never been used as a cleaning agent for removing fluxes, fats and oils, etc.
  • Examples of aliphatic fluorohydrocarbons present in the cleaning composition of the invention are compounds represented by the formulas C4F6H4, C4F8H2, C5F7H5, C5F8H4, C5F9H3, C5F10H2, C6F9H5 and C6F12H2, respectively.
  • aliphatic fluorohydrocarbons are 1, 1,2,3,4,4- hexafluorobutane (HCF2CFHCFHCF2H), 1,1,1,2,2,3,3,4- octafluorobutane (CF3CF2CF2CH2F), 1,1,2,2,3,3,4- heptafluoropentane (HCF2(CF2)2CFHCH3, 1,1,2,3,3,4,5,5- octafluoropentane (HCF2CFHCf2CFHCF2H), 1,1,2,2,3,3,4,4,5,- nonafluoropentane (HCF2(CF2)3CH2F), 1,1,1,2,3,3,4,4,5,5,- decafluoropentane (CF3CF(CHF2)CF2CF2H), 1,1,1,2,2,3,3,4,4,- nonafluorohexane (CF3(CF2)3CH2CH3), 1,1,2,2,3,3,4,4,5,5,6,6- dodecafluorohexane
  • the above-exemplified alipahtic fluorohydrocarbons can be used singly or at least two of them are usable in mixture.
  • the amount of the aliphatic fluorohydrocarbon to be contained in the cleaning composition of the invention is not specifically limited, usually about 7O% by weight or more, preferably about 8O% by weight or more.
  • the composition of the invention may contain at least one organic solvent selected from the group consisting of hydrocarbons, alcohols, esters and ketones in order to increase the solvency for dissolving fluxes.
  • the amount of the organic solvent used is not specifically limited, usually about 30% by weight or less, preferably about 0.5 to about 10% by weight, more preferably about 1 to about 8% by weight, based on the whole amount of the cleaning composition of the invention. If the mixture of the aliphatic fluorohydrocarbon and the organic solvent can be an azeotropic composition, it is preferred to use the mixture as the azeotropic composition.
  • Useful hydrocarbons are not specifically limited. Preferred hydrocarbons are hexane, heptane, isoheptane, octane, isooctane, methylcyclopentane, cyclohexane, methylcyclohexane, toluene, etc.
  • Alcohols are not specifically limited.
  • Preferred alcohols are chain saturated alcohols having about 1 to about 5 carbon atoms, such as methanol, ethanol, n-propanol, isopropanol, n-butyl alcohol, sec-butyl alcohol, isobutyl alcohol, tert-butyl alcohol, pentyl alcohol, sec-amyl alcohol, 1-ethyl-1-propanol, 2-methyl-1-butanol, isopentyl alcohol, tert-pentyl alcohol, 3-methyl-2-butanol, neopentyl alcohol, 2-ethyl-1-butanol, etc.
  • methanol, ethanol, isopropanol, n-propanol, etc. are desirable.
  • esters are not specifically limited.
  • Preferred esters are esters of fatty acids having about 1 to about 5 carbon atoms with lower alcohols having about 1 to about 6 carbon atoms, such as methyl acetate, ethyl acetate, propyl acetate, isopropyl acetate, butyl acetate, isobutyl acetate, methyl propionate, ethyl propionate, propyl propionate, isopropyl propionate, methyl butyrate, ethyl butyrate, methyl valerate, etc.
  • methyl acetate, ethyl acetate, propyl acetate, butyl acetate, etc. are preferred.
  • ketones are not specifically limited.
  • Preferred ketones are those represented by the formula R-CO-R' wherein R and R' each represent a saturated hydrocarbon group having about 1 to about 4 carbon atoms.
  • Examples of such ketones are acetone, 2-butanone, 2-pentanone, 3-pentanone, 4-methyl-2-pentanone, etc.
  • acetone, 2-butanone, 4-methyl-2-pentanone, etc. are preferred.
  • composition of the invention may further contain ingredients heretofore used for this kind of cleaning compositions according to a particular application.
  • Useful ingredients are surfactants and like auxiliary agents for cleaning compositions, stabilizers, hydrogen-containing chlorofluorohydrocarbons which would be less likely to destroy the ozone layer, hydrogen-containing fluorohydrocarbons and other hydrocarbons which are entirely free from the possibility of destroying the ozone layer, and so on.
  • a conventional cleaning method can be employed.
  • cleaning methods include, for example, manually wiping methods, immersion methods, spraying methods, oscillating methods, ultrasonic cleaning methods, steam cleaning methods, etc.
  • the cleaning composition of the invention is not prone at all to destroy the ozone layer and is capable of accomplishing effective cleaning for removal of fluxes. Having a proper solvency like that of R-113 heretofore used, the cleaning composition of the invention can selectively dissolve and remove only dirts (including fluxes, fats and oils, dust, etc.) without corroding composite products composed of metals, plastics, elastomers, etc.
  • a flux (trade name: Tamura F-Al-4, product of Tamura Seisakusho) was applied on the entire surface of a printed board (copper clad laminate).
  • the coated board was preheated at 110°C for 20 seconds and soldering was conducted at 250°C for 5 seconds. After the soldering, the printed board was immersed in the cleaning composition of the invention, followed by one minute of ultrasonic cleaning. The degree of the removal of the flux was evaluated according to the following criteria. Table 1 shows the results.
  • a flux (trade name: F-AL-4, product of Tamura Seisakusho) was applied on a printed board (10 cm x 10 cm) and the coated board was preheated at 110°C. Soldering was conducted at 250°C for 5 seconds. A test for ability to remove fluxes was conducted using the cleaning compositions of the invention as listed below in Table 3 by subjecting the printed board treated above to ultrasonic cleaning for 60 seconds and to vapor cleaning for 60 seconds.
  • the degree of removal of the flux was evaluated by observing the printed board with the unaided eye and according to the following criteria.
  • the amount of ionic residue was measured using an Omega meter 500 (trade name of a product of KENKO) and utilized for evaluation according to the following criterion. Table 3 shows the results.
  • Criterion for evaluation by the amount of ionic residue Exhibiting satisfactory ability to remove fluxes when the amount of the inonic residue is up to 2 ⁇ gNaCl/cm2
  • a 100 mesh-cylindrical wire net (25 ⁇ x 15 H mm) on which spindle oil was deposited was immersed in the cleaning composition of the invention heated to 60°C, followed by 60 seconds of ultrasonic cleaning.
  • the wire net was further immersed in a solvent heated to 40 to 60°C and subjected to shaking with hands or to ultrasonic cleaning for 60 seconds. Thereafter, vapor cleaning was conducted for 60 seconds, whereby the cleaning composition was tested for degreasing ability. After the test, the quantity of oil remaining on the wire net was measured by an oil content meter (product of Horiba, Ltd.) and the degree of removal of oils was expressed in cleaning degree (%).
  • Table 4 below shows the composition of the cleaning compositions used and the cleaning degree.
  • the cleaning compositions of the present invention are excellent in degreasing ability.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Manufacturing Of Printed Wiring (AREA)
EP90122748A 1989-12-07 1990-11-28 Reinigungszusammensetzung Withdrawn EP0431458A1 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP31864489 1989-12-07
JP318642/89 1989-12-07
JP318644/89 1989-12-07
JP31864289 1989-12-07
JP31864389 1989-12-07
JP318643/89 1989-12-07

Publications (1)

Publication Number Publication Date
EP0431458A1 true EP0431458A1 (de) 1991-06-12

Family

ID=27339673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90122748A Withdrawn EP0431458A1 (de) 1989-12-07 1990-11-28 Reinigungszusammensetzung

Country Status (9)

Country Link
EP (1) EP0431458A1 (de)
JP (1) JP2850533B2 (de)
KR (1) KR910012220A (de)
AU (1) AU635362B2 (de)
BR (1) BR9006196A (de)
CA (1) CA2031421A1 (de)
CS (1) CS611190A2 (de)
PL (1) PL288145A1 (de)
RU (1) RU2010847C1 (de)

Cited By (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5100572A (en) * 1990-10-03 1992-03-31 E. I. Du Pont De Nemours And Company Binary azeotropic compositions of polyfluoropentanes and methanol
EP0516029A1 (de) * 1991-05-28 1992-12-02 Daikin Industries, Limited Verfahren zum Trocknen von Gegenständen
WO1992019706A3 (en) * 1991-05-06 1993-01-07 Du Pont 1,1,1,2,2,3,3,4,4,5,6-undecafluorohexane and use thereof in compositions and processes for cleaning
US5194170A (en) * 1992-04-02 1993-03-16 E. I. Du Pont De Nemours And Company Binary azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and either tran-1,2-dichloroethylene, cis 1,2-dichloroethylene, or 1-1 dichloroethane
US5196137A (en) * 1991-10-01 1993-03-23 E. I. Du Pont De Nemours And Company Azeotropic composition of 1,1,1,2,3,4,4,5,5,5-decafluoropentane and trans-1,2-dichloroethylene, cis-1,2-dichloroethylene or 1,1-dichlorethane
WO1993008240A1 (en) * 1991-10-18 1993-04-29 E.I. Du Pont De Nemours And Company Azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and alcohols or ketones
EP0519432A3 (en) * 1991-06-21 1993-05-05 Hoechst Aktiengesellschaft Azeotrope-like mixture of 2-propanol and 1h-perfluorohexane
EP0519431A3 (en) * 1991-06-21 1993-05-05 Hoechst Aktiengesellschaft Azeotrope-like mixture of methanol and 1h-perfluorohexane
WO1993005002A3 (en) * 1991-08-28 1993-05-13 Du Pont Gem-dihydropolyfluoroalkanes and monohydropolyfluoroalkenes, processes for their production, and use of gem-dihydropolyfluoroalkanes in cleaning compositions
WO1993010203A1 (fr) * 1991-11-19 1993-05-27 Daikin Industries, Ltd. Refrigerant comprenant de l'octafluorobutane
WO1993011280A1 (en) * 1991-12-02 1993-06-10 Allied-Signal, Inc. Multiple solvent cleaning system
US5219490A (en) * 1992-04-27 1993-06-15 Allied-Signal Inc. Azeotrope-like compositions of 1,1,2,3,3-pentafluoropropane
US5219489A (en) * 1991-08-15 1993-06-15 Allied-Signal Inc. Azeotrope-like compositions of 2-trifluoromethyl-1,1,1,2-tetrafluorobutane and methanol
US5219488A (en) * 1992-03-16 1993-06-15 Allied-Signal Inc. Azeotrope-like compositions of 2-trifluoromethyl-1,1,1,2-tetrafluorobutane and ethanol or isopropanol
US5221361A (en) * 1990-08-17 1993-06-22 E. I. Du Pont De Nemours And Company Compositions of 1,1,1,2,2,5,5,5,-octafluoro-4-trifluoromethylpentane and use thereof for cleaning solid surfaces
US5225099A (en) * 1992-03-16 1993-07-06 Allied-Signal Inc. Azeotrope-like compositions of 4-trifluoromethyl-1,1,1,2,2,3,3,5,5,5-decafluoropentane
EP0552225A4 (en) * 1990-10-11 1993-09-01 E.I. Du Pont De Nemours And Company Binary azeotropic compositions of (cf 3?chfchfcf 2?cf 3?) with methanol or ethanol or isopropanol
EP0552286A4 (en) * 1990-10-11 1993-09-15 E.I. Du Pont De Nemours And Company Ternary azeotropic compositions of 43-10mee (cf 3?chfchfcf 2?cf 3?) and trans 1,2-dichloroethylene with methanol or ethanol
US5250208A (en) * 1992-04-02 1993-10-05 E. I. Du Pont De Nemours And Company Ternary azeotropic compositions
US5259983A (en) * 1992-04-27 1993-11-09 Allied Signal Inc. Azeotrope-like compositions of 1-H-perfluorohexane and trifluoroethanol or n-propanol
US5268121A (en) * 1991-05-02 1993-12-07 Elf Atochem, S.A. Compositions based on 1,1,1,3,3-pentafluorobutane and methanol for the cleaning and/or drying of solid surfaces
US5268120A (en) * 1991-05-02 1993-12-07 Elf Atochem, S.A. Composition based on 1,1-dichloro-1-fluoroethane, 1,1,1,3,3-pentafluorobutane and methanol, for cleaning and/or drying solid surfaces
US5288422A (en) * 1993-03-15 1994-02-22 Alliedsignal Inc. Azeotrope-like compositions of 1,1,1,3,3,5,5,5-octafluoropentane, chlorinated ethylenes, and optionally nitromethane
US5290473A (en) * 1993-03-15 1994-03-01 Alliedsignal Inc. Azeotrope-like compositons of 1,1,1,3,3,5,5,5-octafluoropentane, C1-C5 alkanol and optionally nitromethane
EP0607969A1 (de) * 1993-01-22 1994-07-27 Canon Kabushiki Kaisha Lösungsmittelgemisch sowie Reinigungsverfahren und -vorrichtung, die es verwenden
US5352375A (en) * 1993-08-17 1994-10-04 Alliedsignal Inc. Azeotrope-like compositions of 1,1,1,2,2,3,3,-heptafluoropentane, C1 -C3 alkanol and optionally nitromethane
WO1994028196A1 (en) * 1993-06-01 1994-12-08 Alliedsignal Inc. Multiple solvent cleaning system
US5395997A (en) * 1993-07-29 1995-03-07 Alliedsignal Inc. Process for the preparation of hydrofluorocarbons having 3 to 7 carbon atoms
US5424002A (en) * 1991-08-26 1995-06-13 Daikin Industries, Ltd. Solvent composition comprising mixture of polyfluoroalkane and lower alcohol
US5445757A (en) * 1993-03-31 1995-08-29 Solvay (Societe Anonyme) Compositions comprising pentafluorobutane and use of these compositions
US5444986A (en) * 1992-07-16 1995-08-29 Kajima Corporation Method of producing ice by using fluorinated pentane
WO1996010061A1 (en) * 1994-09-29 1996-04-04 E.I. Du Pont De Nemours And Company Oftafluorobutane compositions
US5531916A (en) * 1990-10-03 1996-07-02 E. I. Du Pont De Nemours And Company Hydrofluorocarbon cleaning compositions
EP0610507A4 (de) * 1991-10-31 1996-09-04 Daikin Ind Ltd Lösemittelzusammensetzung zum reinigen und reinigungsmethode.
EP0731162A1 (de) * 1995-03-09 1996-09-11 Elf Atochem S.A. Verwendung von Hydrofluoroalkenen als Reinigungsmittel und doese enthaltende Zusammensetzungen
US5562853A (en) * 1994-09-29 1996-10-08 E. I. Du Pont De Nemours And Company 1,1,2,2,3,3,4,4,-octafluorobutane compositions
US5578137A (en) * 1993-08-31 1996-11-26 E. I. Du Pont De Nemours And Company Azeotropic or azeotrope-like compositions including 1,1,1,2,3,4,4,5,5,5-decafluoropentane
US5648325A (en) * 1993-10-18 1997-07-15 Ag Technology Co., Ltd. Mixed solvent composition with 1-H-perfluorohexane, methanol or ethanol, and optionally a hydrocarbon
US5696307A (en) * 1994-01-21 1997-12-09 Alliedsignal Inc. Hydrofluoroalkanes as cleaning and degreasing solvents
US5705471A (en) * 1994-09-29 1998-01-06 E. I. Du Pont De Nemours And Company 1,1,2,2,3,3,4,4-octaflourobutane compositions
US5824826A (en) * 1997-06-27 1998-10-20 Alliedsignal Inc. Process for the preparation of 1,1,2,3,3,4-hexafluorobutane
EP0885952A1 (de) * 1997-06-20 1998-12-23 Elf Atochem S.A. Reinigungs- und Entfettungszusammensetzung ohne Flammpunkt
US6162304A (en) * 1997-07-25 2000-12-19 Alliedsignal Inc. Cleaning vapor compression systems
US6355113B1 (en) 1991-12-02 2002-03-12 3M Innovative Properties Company Multiple solvent cleaning system
US6688118B1 (en) 1996-03-01 2004-02-10 E. I. Du Pont De Nemours And Company Azeotropic compositions of cyclopentane
WO2007016121A3 (en) * 2005-07-27 2007-04-05 Honeywell Int Inc Hydrofluorocarbon refrigerant compositions
USRE39819E1 (en) 1998-07-24 2007-09-04 Atofina Cleaning or drying compositions based on 1,1,1,2,3,4,4,5,5,5-decafluoropentane
US7531495B2 (en) 2000-06-01 2009-05-12 Asahi Kasei Kabushiki Kaisha Cleaning agent, cleaning method and cleaning apparatus
US8021490B2 (en) 2007-01-04 2011-09-20 Eastman Chemical Company Substrate cleaning processes through the use of solvents and systems
CN101463300B (zh) * 2008-11-28 2011-09-28 江苏海迅实业集团股份有限公司 磁头清洗剂
WO2025255503A1 (en) * 2024-06-07 2025-12-11 Chemours-Mitsui Fluoroproducts Co., Ltd. Cleaning agent composition and cleaning method

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JP3274878B2 (ja) * 1992-02-03 2002-04-15 タイホー工業株式会社 カーボン用洗浄剤
KR0182375B1 (ko) * 1993-03-12 1999-04-15 이노우에 노리유키 청정화 물품의 제조방법
CA2621415A1 (en) * 2005-09-13 2007-03-22 Asahi Glass Company, Limited Azeotropic solvent composition and mixed solvent composition

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CA2031421A1 (en) 1991-06-08
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AU635362B2 (en) 1993-03-18
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