EP2772528B1 - procédé d'élimination d'un résidu à base d'isocyanate - Google Patents

procédé d'élimination d'un résidu à base d'isocyanate Download PDF

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Publication number
EP2772528B1
EP2772528B1 EP13157115.0A EP13157115A EP2772528B1 EP 2772528 B1 EP2772528 B1 EP 2772528B1 EP 13157115 A EP13157115 A EP 13157115A EP 2772528 B1 EP2772528 B1 EP 2772528B1
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EP
European Patent Office
Prior art keywords
weight
process according
mixture
amine
koh
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.)
Active
Application number
EP13157115.0A
Other languages
German (de)
English (en)
Other versions
EP2772528A1 (fr
Inventor
Robert Meiers
Daniel Mattheis
Andreas Otto
Martin Brahm
Evgeny Avtomonov
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.)
Covestro Deutschland AG
Original Assignee
Covestro Deutschland AG
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 Covestro Deutschland AG filed Critical Covestro Deutschland AG
Priority to EP13157115.0A priority Critical patent/EP2772528B1/fr
Priority to HUE13157115A priority patent/HUE037136T2/hu
Priority to ES13157115.0T priority patent/ES2647341T3/es
Publication of EP2772528A1 publication Critical patent/EP2772528A1/fr
Application granted granted Critical
Publication of EP2772528B1 publication Critical patent/EP2772528B1/fr
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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
    • C11D7/5022—Organic solvents containing oxygen
    • 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
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/06—Hydroxides
    • 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
    • C11D7/22—Organic compounds
    • C11D7/32—Organic compounds containing nitrogen
    • C11D7/3218—Alkanolamines or alkanolimines
    • 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
    • C11D7/5013—Organic solvents containing nitrogen
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces
    • C11D2111/20—Industrial or commercial equipment, e.g. reactors, tubes or engines

Definitions

  • N, N-dimethylformamide can lead to liver damage.
  • it is classified as a CMR substance.
  • Concentrated dimethyl sulphoxide in turn has cytotoxic properties and, in addition, can hardly be worked up by distillation, since it begins to decompose thermally at its normal boiling point of 189 ° C., which can even take place explosively.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Polyurethanes Or Polyureas (AREA)

Claims (12)

  1. Procédé d'élimination d'un résidu à base d'isocyanate d'un substrat, selon lequel le résidu est dissous du substrat avec un mélange comprenant un polyol, une base inorganique et une amine, le polyol étant choisi dans le groupe constitué par le propanediol, le butanediol, le pentanediol ou l'hexanediol, et les deux groupes hydroxyle de ce polyol étant reliés à des atomes de carbone voisins.
  2. Procédé selon la revendication 1, caractérisé en ce que le mélange est constitué de 10 à 50, de préférence de 15 à 35 et de manière particulièrement préférée de 20 à 30 pour cent en poids de l'amine.
  3. Procédé selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que l'amine est une amine primaire ou une amine secondaire, et de préférence une amine primaire.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'amine comprend au moins un groupe hydroxyle.
  5. Procédé selon la revendication 4, caractérisé en ce que l'amine est la monoéthanolamine.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le mélange est constitué de 40,00 à 89,99, de préférence de 60,00 à 84,90 et de manière particulièrement préférée de 68,00 à 79,50 pour cent en poids du polyol.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la base inorganique est un hydroxyde alcalin, un hydroxyde alcalino-terreux ou l'hydroxyde d'ammonium.
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la base inorganique est choisie dans le groupe constitué par LiOH, NaOH, KOH et de manière particulièrement préférée KOH.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le mélange est constitué de 0,01 à 10, de préférence de 0,1 à 5 et de manière particulièrement préférée de 0,5 à 2,0 pour cent en poids de la base inorganique.
  10. Procédé selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le mélange ne contient pas de substances toxiques, ni de substances cancérogènes, mutagènes, toxiques pour la reproduction (substances CMR).
  11. Procédé selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le mélange présente une température de 100 à 250 °C et de préférence de 120 à 180 °C.
  12. Procédé selon l'une quelconque des revendications 1 à 11, caractérisé en ce que le résidu comprend un polymère de polyuréthane ou en est constitué.
EP13157115.0A 2013-02-28 2013-02-28 procédé d'élimination d'un résidu à base d'isocyanate Active EP2772528B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP13157115.0A EP2772528B1 (fr) 2013-02-28 2013-02-28 procédé d'élimination d'un résidu à base d'isocyanate
HUE13157115A HUE037136T2 (hu) 2013-02-28 2013-02-28 Eljárás egy izocianát alapú maradék eltávolítására
ES13157115.0T ES2647341T3 (es) 2013-02-28 2013-02-28 Procedimiento para la eliminación de un residuo a base de isocianato

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13157115.0A EP2772528B1 (fr) 2013-02-28 2013-02-28 procédé d'élimination d'un résidu à base d'isocyanate

Publications (2)

Publication Number Publication Date
EP2772528A1 EP2772528A1 (fr) 2014-09-03
EP2772528B1 true EP2772528B1 (fr) 2017-08-16

Family

ID=47912918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13157115.0A Active EP2772528B1 (fr) 2013-02-28 2013-02-28 procédé d'élimination d'un résidu à base d'isocyanate

Country Status (3)

Country Link
EP (1) EP2772528B1 (fr)
ES (1) ES2647341T3 (fr)
HU (1) HUE037136T2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2028138B1 (en) 2021-05-04 2022-11-10 Composite Production Tech B V Method for handling a water-sensitive and/or temperature-sensitive compound

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954648A (en) * 1969-12-22 1976-05-04 Pennwalt Corporation Coatings removal composition containing an alkali metal hydroxide, an oxygenated organic solvent, and an amine
US4537705A (en) * 1984-04-25 1985-08-27 Economics Laboratory, Inc. Aqueous alkaline polyamine paint stripping compositions
DD280661A3 (de) 1987-05-25 1990-07-18 Akad Wissenschaften Ddr Verfahren zur reinigung von reaktionsgefaessen oder verarbeitungsmaschinen von estergruppen enthaltenden polymeren vom integraltyp
JPH07119438B2 (ja) 1990-10-19 1995-12-20 旭化成工業株式会社 アクリロニトリル―芳香族ビニル系高分子物質の洗浄法
US5782989A (en) 1997-11-19 1998-07-21 Arco Chemical Technology, L.P. Solvent system and method for removing polymer scale from vinyl polymer polymerization reactors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2647341T3 (es) 2017-12-21
HUE037136T2 (hu) 2018-08-28
EP2772528A1 (fr) 2014-09-03

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