EP1218585A1 - Compositions non aqueuses non combustibles - Google Patents

Compositions non aqueuses non combustibles

Info

Publication number
EP1218585A1
EP1218585A1 EP00959737A EP00959737A EP1218585A1 EP 1218585 A1 EP1218585 A1 EP 1218585A1 EP 00959737 A EP00959737 A EP 00959737A EP 00959737 A EP00959737 A EP 00959737A EP 1218585 A1 EP1218585 A1 EP 1218585A1
Authority
EP
European Patent Office
Prior art keywords
weight
composition
composition according
fabrics
garments
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Withdrawn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
EP00959737A
Other languages
German (de)
English (en)
Inventor
E. Stevens
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.)
Niran Technologies Inc
Original Assignee
Niran Technologies Inc
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 Niran Technologies Inc filed Critical Niran Technologies Inc
Publication of EP1218585A1 publication Critical patent/EP1218585A1/fr
Withdrawn legal-status Critical Current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
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/50—Solvents
    • C11D7/5004—Organic solvents
    • C11D7/5018—Halogenated solvents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
    • D06L1/04—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents combined with specific additives
    • 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
    • C11D7/5036—Azeotropic mixtures containing halogenated solvents
    • C11D7/504—Azeotropic mixtures containing halogenated solvents all solvents being halogenated hydrocarbons
    • C11D7/505—Mixtures of (hydro)fluorocarbons
    • 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
    • C23G5/024—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing 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
    • C11D7/24—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
    • C11D7/263—Ethers
    • 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 compositions designed to replace perchloroethylene for dry-cleaning, and as an alternative to the low flash point replacement solvents for perchloroethylene.
  • the invention provides methods for substantially raising the flash points of low flash point petroleum solvents currently in use in the dry cleaning industry.
  • the invention renders the solvents nonflammable and non-combustible while retaining, indeed enhancing their ability to remove stains, grease, fatty acids, oil and soil, among other contaminants, from textiles, fabrics and garments normally encountered in the dry cleaning industry and uniforms, fabrics and garments normally encountered in the uniform rental business.
  • the present invention also relates to degreaser formulations for use in removing grease and oil from equipment, machinery and the like.
  • the present invention may also be used to separate and concentrate oil removed from garments by distillation, obviating the need to dispose of it as a perchloroethylene contaminated hazardous waste.
  • Garments and other fabrics including carpeting curtains, industrial uniforms etc. become soiled with stains, fatty acids and other contaminants which attach to dust attracted to the garment during the normal course of wear.
  • the present invention enables use of these low flash point solvents by elevating their flash points to preclude flammability and combustibility classifications and risks.
  • compositions for commercial dry-cleaning of textiles and related articles with compositions having flash points exceeding 100°C by modifying the flash points of the flammable and combustible hydrocarbon solvents utilizing components with zero ozone depleting potential.
  • Still another objective of the present invention is to raise the vapor pressure of the solvents to accelerate garment drying while maintaining high solvent flash points.
  • compositions according to the present invention relates to compositions and methods of removal of contaminants from textiles and related fabrics and garments and grease and oil from machinery and related equipment utilizing compositions which provide a high occupational safety threshold because of their high flash points, pose no significant risk to ground water, are environmentally compatible and which are substantially biodegradable.
  • Compositions according to the present invention preferably are substantially non-toxic, substantially biodegradable liquids at room temperature or higher, are not hazardous air pollutants (HAP's), have insignificant VOC potential, have zero Ozone Depletion
  • ODP ODP-Oxide-Oxide-Oxide
  • compositions according to the present invention avoid the use of perchloroethylene, mineral spirits or chlorinated fluorinated hydrocarbons (CFC's).
  • CFC's chlorinated fluorinated hydrocarbons
  • the present compositions may be utilized as effective substitutes for perchloroethylene in commercial cleaning processes and as degreasers .
  • the present compositions have many of the favorable physical and chemical characteristics of perchloroethylene without the attendant unfavorable characteristics, most notably, the environmental incompatibility of perchloroethylene .
  • the present compositions present no groundwater threat because of their densities (7.51bs/gal to 8.2 lbs/gal) , compared to perchloroethylene with a density of 13.47 lbs/gal.
  • the present compositions may accommodate surfactants which may aid the removal of fatty acids, stains and other contaminants from fabrics, especially clothing.
  • the present compositions are compatible with most, if not all, of the commercial fibers used in fabrics.
  • the present compositions advantageously do not substantially change the shape or deform the underlying fibers of the cloth.
  • the compositions impart, what is known in the vernacular of dry-cleaners, a nice hand (smooth feel) to the garments and they are generally stable during cleaning operations and at drying, separation and distillation temperatures .
  • Cleaning compositions are essentially non-aqueous and according to the present invention comprise: (i) about 1% to about 98% by weight of a glycol ether and or glycol ether acetate;
  • composition may further comprise a hydrofluoroether
  • the essentially non-aqueous composition may comprise:
  • the essentially nonaqueous composition may comprise
  • essentially nonaqueous means that the composition contains less than about 1% of water.
  • Preferred amounts of glycol ethers for the present compositions range from about 1% to about 98% by weight, more preferably about 3% to about 60% by weight, even more preferably about 4% to about 40% by weight, even more preferably about 5% to about 15% by weight.
  • Preferred amounts of the aliphatic hydrocarbon for use in the cleaning composition in the present invention range from about 2% to about 98% by weight, more preferably from about 30% to about 97% by weight, even more preferably from about 63% to about 95% by weight.
  • the amount of perfluorocarbon compounds in the cleaning compositions according to the present invention preferably ranges from about 0.5% to about 80% by weight, more preferably from about 2% to about 60% by weight, more preferably from about 3% to about 40% by weight, even more preferably about 3% to about 30% by weight and even more preferably about 4% to about 25% by weight.
  • Preferred amounts of hydrofluoroethers for use in the cleaning composition in the present invention preferably range from about 0.5% to about 80% by weight, more preferably from about 2% to about 60% by weight, even more preferably about 3% to about 30% by weight and even more preferably about 4% to about 25% by weight.
  • compositions according to the present invention may optionally include at least one component selected from the group consisting of, for example, an antimicrobial agent, a fabric finishing agent, an anionic surfactant to facilitate incorporation of small quantities of water to assist in removal of water soluble stains from fabrics and garments, or mixtures thereof.
  • Compositions according to the present invention have densities which are generally less than that of water and are preferably biodegradable, preferably with BOD/ s of greater than about 20 pp , more preferably greater than about 40 ppm.
  • the present compositions are particularly environmentally advantageous because they are readily biodegradable and they are lighter than water. As such, the present preferred compositions pose little, if any risk to contaminate groundwater .
  • the invention is further directed to methods for removing one or more contaminants from textiles, fabrics, garments, flexible and/or inflexible surfaces comprising applying the compositions of the present invention to said textiles, fabrics, garments or surfaces in amounts effective to remove said contaminants from said textiles, fabrics, garments or surfaces.
  • the contaminants removed from the garment which are initially present in a composition/contaminant mixture may separated from the cleaning composition by distillation and may be recovered or isolated. They often include oil and related hydrocarbons which may be used as fuel, thereby obviating the need to dispose of the distillation still bottom as hazardous waste.
  • contaminant shall be used to describe most substances which are not normally found in fabrics or other flexible and inflexible surfaces such as machinery and metal surfaces in their clean, uncontaminated state and are generally removed from fabrics or other surfaces during cleaning processes.
  • Contaminants include but are not limited to fats, fatty acids, in particular, triglycerides and fatty acids, fat like substances, salts, food remnants, sweat, blood stains, soil, oil, grease and related lubricants and numerous other synthetic and natural or biological contaminants or lubricants which are normally not found on the surfaces and textiles to be cleaned according to the present invention.
  • compositions according to the present invention include triglycerides, fatty acids and related fatty food contaminants and grease, oil and related lubricants.
  • triglycerides fatty acids and related fatty food contaminants and grease, oil and related lubricants.
  • present compositions may need to be modified within the teachings of the invention in order to maximize removal of a particular contaminant.
  • hydrofluoroether compounds include but are not limited to ethoxy-nonafluorobutane, ethyl perfluoroisobutyl ether, ethyl perfluorobutyl ether, methoxy-nonafluorobutane, methyl nonafluoroisobutyl ether, methyl nonafluorobutyl ether and their isomers.
  • compositions of the present invention further comprise a hydrofluoroether/trans-1, 2-dichloroethylene mixture.
  • a hydrofluoroether/trans-1, 2-dichloroethylene mixture In one embodiment, it is an azeotropic mixture. In another embodiment, the ratio of hydrofluoroether: trans-1, 2-dichloroethylene is from about 5:95 to about 95:5.
  • glycol ether and "glycol ether acetate” are used throughout the specification to describe certain preferred components which are used in the compositions according to the present invention.
  • propylene glycol ethers and ether acetates and ethylene glycol ethers and ether acetates may be used.
  • glycol ethers for use in the present invention include, without limitation ethylene and propylene glycol substituted ethers, such as propylene glycol t-butyl ether, ethylene glycol methyl ether, diethylene glycol methyl ether, diethylene glycol methyl ether, triethylene glycol methyl ether, ethylene glycol methyl ether, diethylene glycol ethyl ether, triethylene glycol ethyl ether, ethylene glycol n-propyl ether, diethylene glycol n-propyl ether, triethylene glycol n-propyl ether, ethylene glycol isopropyl ether, diethylene glycol isopropyl ether, triethylene glycol isopropyl ether, ethylene glycol n-propyl ether, diethylene glycol n-propyl ether, triethylene glycol isopropyl ether, ethylene glycol n-propyl ether, diethylene glycol n-propyl ether, tri
  • Preferred glycol ethers and glycol ether acetates for use in the present invention have relatively high vapor pressures and low boiling points to facilitate the rapid drying of fabrics and to accelerate distillation.
  • aliphatic hydrocarbon refers to paraffins, normal and iso, consisting of both open and branched chain structure.
  • Naphtha -generic, loosely defined term refers to a range of light petroleum distillates.
  • compositions which enhance the performance characteristics, from both a safety and performance point of view, of petroleum solvents, naphthas and mineral spirits, solvents which are presently used in dry-cleaning In their present application they present a severe ignition and explosion hazard in use. Severe constraints are placed on siting of facilities using petroleum solvents because of the inherent fire hazard the storage and use of these low flash point solvents pose.
  • compositions were made and assessed for their ability to clean typical contaminants from textiles. They were also evaluated for their solvent effect on typical textiles and fabrics used in industrial gloves and uniforms, and in normal dry-cleaning fabrics.
  • DCM Dipropylene glycol dimethyl ether
  • DOW Chemical Co. Midland, Michigan
  • COVI-OX-T-70 is a mixed mixed tocopheral concentrate.
  • COVI-OX-T-70 was obtained from Henkel Chemical Co., Kankakee, Illinois.
  • HFE-7100 and HFE-7200 are hydrofluoroethers.
  • All components designated PF are perfluoro compounds.
  • PF-5070, PF-5058, PF-5060, PF-5070, PF-5052, PF-5056, and PF-5080 were obtained from the 3M Company, St. Paul Minnesota.
  • Stoddard solvent, mineral spirits and Shell Sol 142 HT were obtained from Shell Chemical Co., Houston, Texas
  • DF-2000 was obtained from Exxon Chemical Co., Houston Texas.
  • DF-2000 and Shell Sol 142-HT are hydrotreated medium aliphatic hydrocarbon solvents.
  • the individual components may be added and stirred to provide a completely mixed product.
  • the components were added in the order in which they appear. In most instances, the product was clear at room temperature.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Textile Engineering (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne des compositions non aqueuses de nettoyage et des procédés correspondants, en particulier pour le nettoyage à sec des textiles, qui renferment, en poids, de 0,5 à 80 % d'au moins un composé perfluoré, entre 2 et 98 % de solvant naphta, d'alcool minéral ou d'hydrocarbure aliphatique de poids moléculaire moyen, et entre 1 et 98 % d'éther glycolique ou d'acétate d'éther glycolique.
EP00959737A 1999-09-01 2000-08-31 Compositions non aqueuses non combustibles Withdrawn EP1218585A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38881799A 1999-09-01 1999-09-01
US388817 1999-09-01
PCT/US2000/024037 WO2001016422A1 (fr) 1999-09-01 2000-08-31 Compositions non aqueuses non combustibles

Publications (1)

Publication Number Publication Date
EP1218585A1 true EP1218585A1 (fr) 2002-07-03

Family

ID=23535638

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00959737A Withdrawn EP1218585A1 (fr) 1999-09-01 2000-08-31 Compositions non aqueuses non combustibles

Country Status (7)

Country Link
EP (1) EP1218585A1 (fr)
JP (1) JP2003512480A (fr)
KR (1) KR20030037222A (fr)
AU (1) AU7100500A (fr)
BR (1) BR0013689A (fr)
MX (1) MXPA02002204A (fr)
WO (1) WO2001016422A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI315301B (en) * 2002-03-06 2009-10-01 Asahi Glass Co Ltd Solvent composition
US7087094B2 (en) 2003-09-02 2006-08-08 Lyondell Chemical Technology, L.P. Drycleaning method using dipropylene glycol n-propyl ether
US7144850B2 (en) 2004-08-25 2006-12-05 Lyondell Chemical Technology, L.P. Drycleaning method using dipropylene glycol dimethyl ether
CN100510043C (zh) 2004-10-05 2009-07-08 旭硝子株式会社 共沸样溶剂组合物及混合溶剂组合物
US7575604B2 (en) 2006-10-06 2009-08-18 Lyondell Chemical Technology, L.P. Drycleaning method
SA113340167B1 (ar) * 2012-01-06 2015-10-29 بلو كوب آي بي ال ال سي طريقة لتنظيف خلية كهركيميائية غشائية تحتوي على الكلور
CN111979064A (zh) * 2020-08-25 2020-11-24 广西贵港和乐门业有限公司 一种不伤底漆的钢质门保护膜去除剂及制备方法

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US5370817A (en) * 1990-11-15 1994-12-06 Lockheed Corporation Low odor cleaning formulation comprising propylene glycol methyl ether and propylene glycol methyl ether acetate
JP2767333B2 (ja) * 1991-11-14 1998-06-18 株式会社サンケン フッ化炭化水素の直鎖脂肪族炭化水素への溶解法
FR2703068B1 (fr) * 1993-03-26 1995-05-12 Atochem Elf Sa Composition de dégraissage à base de solvants fluorés.
US5454969A (en) * 1993-06-18 1995-10-03 Fields; Paul B. Cleaning fluids
US5851436A (en) * 1996-06-13 1998-12-22 E. I. Du Pont De Nemours And Company Nonafluoromethoxybutane compositions
US6030934A (en) * 1997-02-19 2000-02-29 3M Innovative Properties Company Azeotropic compositions of methoxy-perfluoropropane and their use
JP3556793B2 (ja) * 1997-03-07 2004-08-25 第一工業製薬株式会社 非引火性工業用洗浄剤組成物およびそれを用いた洗浄方法
EP0885952A1 (fr) * 1997-06-20 1998-12-23 Elf Atochem S.A. Composition de nettoyage et de dégraissage sans point d'éclair
JP4104715B2 (ja) * 1998-01-26 2008-06-18 三井・デュポンフロロケミカル株式会社 付着水除去用溶剤組成物
JP2000192090A (ja) * 1998-12-25 2000-07-11 Daikin Ind Ltd 洗浄用組成物、洗浄方法及び洗浄装置

Non-Patent Citations (1)

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Title
See references of WO0116422A1 *

Also Published As

Publication number Publication date
MXPA02002204A (es) 2003-08-20
KR20030037222A (ko) 2003-05-12
WO2001016422A1 (fr) 2001-03-08
BR0013689A (pt) 2003-07-15
AU7100500A (en) 2001-03-26
JP2003512480A (ja) 2003-04-02

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