AR017280A1 - A WHITENING AND OXIDATION CATALYST, AND A WHITENING COMPOSITION THAT UNDERSTANDS IT. - Google Patents

A WHITENING AND OXIDATION CATALYST, AND A WHITENING COMPOSITION THAT UNDERSTANDS IT.

Info

Publication number
AR017280A1
AR017280A1 ARP980104904A ARP980104904A AR017280A1 AR 017280 A1 AR017280 A1 AR 017280A1 AR P980104904 A ARP980104904 A AR P980104904A AR P980104904 A ARP980104904 A AR P980104904A AR 017280 A1 AR017280 A1 AR 017280A1
Authority
AR
Argentina
Prior art keywords
alkyl
esters
salts
complex
bleaching
Prior art date
Application number
ARP980104904A
Other languages
Spanish (es)
Original Assignee
Unilever Nv
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 Unilever Nv filed Critical Unilever Nv
Publication of AR017280A1 publication Critical patent/AR017280A1/en

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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905—Bleach activators or bleach catalysts
    • C11D3/3932—Inorganic compounds or complexes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (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)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Se provee un catalizador de blanqueo y oxidacion caracterizado porque comprende un complejo Fe de formula [LFeXn]zYq o sus precursores, donde: Fe es hierroen el estado de oxidacion II, III, IV o V; X representa a las especies de coordinacion talesco mo H2O, ROH, NR3, RCN, OH-, OOH-, OOR-, RCOO-, OCN-, N3-, CN-,F-, Cl-, Br--, I-, O2-, NO3-, NO2-, SO42-, SO32-, PO43- o donantes de N aromáticos tales como piridinas, piracinas, pirazoles, imidazoles, bencimidazoles,pirimidinas, triazoles ytiazoles con R siendo H, opcionalmente alquil substituido u opcionalmente aril substituido; n es un entero de 0 a 3; Y es un contraion, del tipo que depende de la carga del complejo; z denota la carga del complejo y es un entero que puede serpositivo, cero o negativo, si z es posible, Yes un anion tal como F-, Cl-, Br--, I-, NO3-, BPh4-, ClO4-, BF4-, PF6-, RSO3-, RSO4-, SO42-, CF3SO3- o RCOO-, si z es negativo Y es un cation comun tal comocation de metal alcalino, de metalalcalinotérreo o de (alquil)am onio; y q = z/[carga Y]; L representa un ligando de la formula general (B) que contiene almenos cinco átomos de nitrogeno y en la cual el grupo substitutivo R1-R5 se seleccionan independientemente entre hidrogeno,hidroxi, halogeno, nitroso, formil,c arboxil, y sus ésteres y sales, carbamoil, sulfo, y sus ésteres y sales, sulfamoil, nitro, amino, alquil-C0-20-hidroxi, alquil-C0-20-halogeno, alquil-C0-20-nitroso, alquil-C0-20-formil, alquil-C0-20-carboxil, ysus ésteres y sales, alquil-C0-20-carba moil, alquil-C0-20-sulfo, y sus ésteres y sales, alquil-C0-20-sulfamoil, alquil-C0-20-amino, alquil-C0-20-aril, alquil-C0-20-heteroaril, alquil C0-20, alcoxi C0-8, carbonil-C0-6-alcoxi, y aril-C0-6-alquil,siempre que R1no represente hidrogeno. Se pr ovee asimismo una composicion blanqueadora que comprende un compuesto blanqueador peroxido y el catalizador de blanqueo yoxidacion. Este tipo de complejo de hierro puede activar peroxido de hidrogeno oácidos peroxidos y se descubrio que tiene propie dades favorables para laeliminacion de manchas como así también propiedades notables de inhibicion de transferencia de tinta. Además, se ha obtenido una estabilidad considerablementeA bleaching and oxidation catalyst is provided characterized in that it comprises a Fe complex of formula [LFeXn] zYq or its precursors, where: Fe is iron in the oxidation state II, III, IV or V; X represents the coordination species such as H2O, ROH, NR3, RCN, OH-, OOH-, OOR-, RCOO-, OCN-, N3-, CN-, F-, Cl-, Br--, I- , O2-, NO3-, NO2-, SO42-, SO32-, PO43- or aromatic N donors such as pyridines, pyrazines, pyrazoles, imidazoles, benzimidazoles, pyrimidines, triazoles and thiazoles with R being H, optionally substituted alkyl or optionally aryl replaced; n is an integer from 0 to 3; And it is a counterion, of the type that depends on the charge of the complex; z denotes the charge of the complex and is an integer that can be positive, zero or negative, if z is possible, Yes an anion such as F-, Cl-, Br--, I-, NO3-, BPh4-, ClO4-, BF4-, PF6-, RSO3-, RSO4-, SO42-, CF3SO3- or RCOO-, if z is negative Y is a common cation such as alkali metal, metalalcaline earth metal or (alkyl) amnium location; and q = z / [load Y]; L represents a ligand of the general formula (B) containing at least five nitrogen atoms and in which the R1-R5 substitutive group is independently selected from hydrogen, hydroxy, halogen, nitrous, formyl, arboxyl, and its esters and salts , carbamoyl, sulfo, and their esters and salts, sulfamoyl, nitro, amino, alkyl-C0-20-hydroxy, alkyl-C0-20-halogen, alkyl-C0-20-nitroso, alkyl-C0-20-formyl, alkyl -C0-20-carboxyl, and its esters and salts, alkyl-C0-20-carba moil, alkyl-C0-20-sulfo, and its esters and salts, alkyl-C0-20-sulfamoyl, alkyl-C0-20-amino , C0-20 alkyl-aryl, C0-20 alkyl-heteroaryl, C0-20 alkyl, C0-8 alkoxy, carbonyl-C0-6-alkoxy, and aryl-C0-6-alkyl, provided R1 does not represent hydrogen. A bleaching composition comprising a peroxide bleaching compound and the bleaching catalyst is also protected. This type of iron complex can activate hydrogen peroxide or peroxides and it was found to have favorable properties for stain removal as well as notable ink transfer inhibition properties. In addition, considerable stability has been obtained

ARP980104904A 1997-10-01 1998-10-01 A WHITENING AND OXIDATION CATALYST, AND A WHITENING COMPOSITION THAT UNDERSTANDS IT. AR017280A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97203019 1997-10-01

Publications (1)

Publication Number Publication Date
AR017280A1 true AR017280A1 (en) 2001-09-05

Family

ID=8228776

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP980104904A AR017280A1 (en) 1997-10-01 1998-10-01 A WHITENING AND OXIDATION CATALYST, AND A WHITENING COMPOSITION THAT UNDERSTANDS IT.

Country Status (7)

Country Link
EP (1) EP0909809B1 (en)
AR (1) AR017280A1 (en)
BR (1) BR9803859A (en)
CA (1) CA2248476A1 (en)
DE (1) DE69827738T2 (en)
ES (1) ES2234080T3 (en)
ZA (1) ZA988963B (en)

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Also Published As

Publication number Publication date
BR9803859A (en) 1999-12-07
DE69827738D1 (en) 2004-12-30
ZA988963B (en) 2000-04-03
EP0909809B1 (en) 2004-11-24
EP0909809A2 (en) 1999-04-21
ES2234080T3 (en) 2005-06-16
CA2248476A1 (en) 1999-04-01
DE69827738T2 (en) 2005-04-07
EP0909809A3 (en) 1999-07-21

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