EP1021507B1 - Verwendung von reinigingsmitteln und verfahren zur flaschenreinigung - Google Patents

Verwendung von reinigingsmitteln und verfahren zur flaschenreinigung Download PDF

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Publication number
EP1021507B1
EP1021507B1 EP96939039A EP96939039A EP1021507B1 EP 1021507 B1 EP1021507 B1 EP 1021507B1 EP 96939039 A EP96939039 A EP 96939039A EP 96939039 A EP96939039 A EP 96939039A EP 1021507 B1 EP1021507 B1 EP 1021507B1
Authority
EP
European Patent Office
Prior art keywords
bottles
use according
formulation
cleaning
additive
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 - Lifetime
Application number
EP96939039A
Other languages
English (en)
French (fr)
Other versions
EP1021507A1 (de
Inventor
Michael Thomas Offiler
Willem P. Verbiest
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.)
Diversey Inc
Original Assignee
JohnsonDiversey 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 JohnsonDiversey Inc filed Critical JohnsonDiversey Inc
Priority to EP96939039A priority Critical patent/EP1021507B1/de
Publication of EP1021507A1 publication Critical patent/EP1021507A1/de
Application granted granted Critical
Publication of EP1021507B1 publication Critical patent/EP1021507B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • C11D1/721—End blocked 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/825—Mixtures of compounds all of which are non-ionic
    • C11D1/8255—Mixtures of compounds all of which are non-ionic containing a combination of compounds differently alcoxylised or with differently alkylated chains
    • 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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic acids-salts thereof
    • 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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols

Definitions

  • the present invention concerns the use of a cleaning formulation comprising an additive, and a process for cleaning bottles, in particular returnable PET bottles, using such.
  • an alternative chelating agent is sodium gluconate. This has the advantages of being readily biodegradable and not increasing the foaming tendency of cleaning solutions. However, it is a weaker chela-ting agent and does not remove mould pads as effectively as EDTA, especially at relatively low caustic levels as required for low chemical damage when washing plastic bottles.
  • An object of the present invention is to yield an effective detergent additive not having the environmental drawbacks ensuing from the use of EDTA.
  • EP-A-325909 describes alkaline bottle cleaning compositions comprising end blocked ethoxylated nonionic surfactants. Builder and complexing agents may be present.
  • an alkaline washing formulation including an additive for a bottle washing formulation according to claim 1 and dependent claims 2-12.
  • This additive which is free of EDTA or similar chelating agents, is used with an alkaline washing formulation, most preferably a caustic soda based washing formulation, at a concentration of between 0.25 and 3%, preferably 1-2%, whereby in the case of PET bottles the concentration most preferably does not exceed 1.5% in order to minimize stress cracking.
  • This formulation is effective at achieving detergency, particularly against mould pads.
  • Sodium gluconate offers the advantages of being commercially available and readily soluble in both alkaline and acidic solutions, thus making the development of concentrated additives possible. Furthermore sodium gluconate will chelate both divalent and trivalent ions. As a result, in addition to facilitating the removal of mould pads, it will remove rust stains from the tops of crown capped bottles and prevent sodium aluminate precipitates forming when washing bottles which carry aluminium foil labels. Another consequence of its trivalent ion chelation capability is that clays extracted from old labels in the wash bath will be dispersed and not precipitate on the bottles being washed.
  • a wetting agent is an agent for reducing surface tension in order to increase the intimacy between the cleaning formulation and the soil.
  • the wetting agent has the following general formula: R 1 - (OC 2 H 4 ) n - (OC 3 H 8 ) m - OR 2 , wherein
  • Polyacrylates offer the advantages of being substantially inert, whereby environmental problems associated herewith are limited, being easily precipitated out of waste water, for example, with sewage. Due to their ready solubility they can be used at very concentrated levels, thereby increasing the effectiveness of the detergent additive.
  • the additive according to the present invention was primarily developed for use in cleaning formulations in soft water areas.
  • a scale forming preventing agent such as Dequest 2000TM or Bayhibit AMTM, is preferably added.
  • the additive can be formulated to be alkaline, acidic or pH-neutral, in the latter case preferably including a preservative, for example formaldehyde, to prevent micro-organisms feeding off the additive and causing this to deteriorate.
  • a preservative for example formaldehyde
  • This cleaning process is carried out below a maximum temperature of 60°C, above which thermal damage to PET bottles is possible, and between 50°C and 80°C for glass bottles.
  • test solutions consisted of solution b) plus 500 mg/l of the test additive.
  • No. Test Solution Total cleaning time for 3 bottles (min) 1 a) 1% caustic soda >22 2 b) 1% caustic soda + 0.5% base adjunct 14 3 c) 1% caustic soda + 0.3% SU 860 10 4 b) + SokalanTM PA 50 (Polyacrylate, M.W. 30,000 ex BASF) 12 5 b) + SokalanTM PA 25 PN (Polyacrylate, M.W. 4000 ex BASF) 11 6 b) + Versicol E7 (Polyacrylate, M.W. 26,000 ex Allied Colloids) 9 7 b) + NorasolTM LMW 45 (Polyacrylate, M.W. 4500 ex Norso-Haars) 9 8 b) + extra nonionic (180 mg/l) 8 Numbers 4-7 fall within the claimed range.
  • formulation 9 was developed for cleaning PET bottles, it would be equally suitable for cleaning glass bottles. In this case, it would not be subject to the temperature and caustic level limitations imposed on PET bottle washing.

Claims (13)

  1. Verwendung einer alkalischen Waschzubereitung, in die ein Additiv einbezogen ist, welches aufweist:
    ein Polyacrylat,
    Natriumgluconat und
    ein Benetzungsmittel der allgemeinen Formel: R1-(OC2H4)n-(OC3H8)m-OR2 worin sind:
    R1
    eine Alkylkette einer Länge zwischen C8 und C20,
    R2
    H, Alkyl (C1 bis C5) oder Benzyl,
    n
    1 bis 20 und m Null bis 15.
       zum Waschen von Flaschen.
  2. Verwendung nach Anspruch 1, worin Natriumgluconat in dem Additiv im Bereich von 0,1 bis 40% der Zubereitung vorliegt.
  3. Verwendung nach Anspruch 1 oder 2, worin das Additiv ein Benetzungsmittel der allgemeinen Formel nach Anspruch 1 aufweist und worin sind:
    R1
    C10 bis C15,
    n
    2 bis 10 und m Null bis 5.
  4. Verwendung nach einem der vorgenannten Ansprüche, worin das Benetzungsmittel Plurafac™LF 131 ist.
  5. Additiv nach einem der vorgenannten Ansprüche, worin das Benetzungsmittel in einem nichtionischen Gemisch vorliegt.
  6. Verwendung nach einem der vorgenannten Ansprüche, worin das Polyacrylat eine relative Molekülmasse zwischen 3.500 und 30.000 hat.
  7. Verwendung nach Anspruch 6, worin das Polyacrylat im Bereich zwischen 0,1 und 20% der Zubereitung vorliegt.
  8. Verwendung nach Anspruch 7, worin das Polyacrylat zu der Gruppe gehört, bestehend aus Sokalan™PA 25 PN, Versicol™E7 und Norasol™LMW 45.
  9. Verwendung nach einem der Ansprüche 1 bis 8, worin das Alkali Ätznatron ist.
  10. Verwendung nach Anspruch 9, worin das Ätznatron in der Zubereitung im Bereich zwischen 0,25 und 3% vorliegt.
  11. Verwendung nach Anspruch 5, worin die Zubereitung ferner ein solubilisierendes Mittel zum Solubilisieren des nichtionischen Gemisches aufweist.
  12. Verwendung nach Anspruch 11, worin das solubilisierende Mittel Natriumcumensulfonat ist.
  13. Verfahren zum Waschen von Flaschen, umfassend den Schritt der Exponierung der Flaschen an einer Zubereitung zum Reinigen nach einem der Ansprüche 1 bis 12 bei einer Temperatur von 60°C oder darunter für PET-Flaschen und zwischen 50° und 80°C für Glasflaschen.
EP96939039A 1995-11-17 1996-11-13 Verwendung von reinigingsmitteln und verfahren zur flaschenreinigung Expired - Lifetime EP1021507B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP96939039A EP1021507B1 (de) 1995-11-17 1996-11-13 Verwendung von reinigingsmitteln und verfahren zur flaschenreinigung

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP95203158 1995-11-17
EP95203158 1995-11-17
PCT/EP1996/004992 WO1997019157A1 (en) 1995-11-17 1996-11-13 Cleaning formulation, additive for a cleaning formulation and process for cleaning bottles using such
EP96939039A EP1021507B1 (de) 1995-11-17 1996-11-13 Verwendung von reinigingsmitteln und verfahren zur flaschenreinigung

Publications (2)

Publication Number Publication Date
EP1021507A1 EP1021507A1 (de) 2000-07-26
EP1021507B1 true EP1021507B1 (de) 2003-10-15

Family

ID=8220839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96939039A Expired - Lifetime EP1021507B1 (de) 1995-11-17 1996-11-13 Verwendung von reinigingsmitteln und verfahren zur flaschenreinigung

Country Status (10)

Country Link
EP (1) EP1021507B1 (de)
JP (1) JP4361605B2 (de)
AU (1) AU716488B2 (de)
BR (1) BR9611595A (de)
CA (1) CA2236209C (de)
DE (1) DE69630407T2 (de)
ES (1) ES2208765T3 (de)
TR (1) TR199800875T2 (de)
WO (1) WO1997019157A1 (de)
ZA (1) ZA969615B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19642600A1 (de) * 1996-10-16 1998-04-23 Henkel Ecolab Gmbh & Co Ohg Reinigungsmittel für Kunststoff-Mehrweggebinde oder kunststoffbeschichtete Mehrwegglasgebinde sowie Verfahren zu deren Reinigung
DE69632836T2 (de) * 1996-11-15 2005-07-21 Ecolab Inc., St. Paul Reinigungsverfahren für polyethlyen-terephtalat-behälter
US8020359B2 (en) 2009-05-11 2011-09-20 The Coca-Cola Company Method of using temporary decoration to mass customize refillable glass vessels
US9487735B2 (en) 2012-05-14 2016-11-08 Ecolab Usa Inc. Label removal solution for low temperature and low alkaline conditions
WO2013172925A1 (en) 2012-05-14 2013-11-21 Ecolab Usa Inc. Label removal solution for returnable beverage bottles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3800490A1 (de) * 1988-01-11 1989-07-20 Henkel Kgaa Verwendung ausgewaehlter endgruppenverschlossener fettalkoholethoxylate fuer schaumarme, kalt spritzbare reinigungsmittel
US5114607A (en) * 1990-08-08 1992-05-19 Betz Laboratories, Inc. Low foaming alkaline cleaner comprising a surfactant mixture of an EO-PO-EO block copolymer and a PO-ZO-PO block copolymer
US5423997A (en) * 1991-05-31 1995-06-13 Colgate Palmolive Co. Spray dried powdered automatic dishwashing composition containing enzymes
DE4131877A1 (de) * 1991-09-25 1993-04-01 Henkel Kgaa Fettalkoholpolyalkylenglykole mit eingeengter homologenverteilung in schaumarmen tauchreinigern
DE4216405A1 (de) * 1992-05-18 1993-11-25 Henkel Kgaa Pumpfähige alkalische Reinigerkonzentrate
CN1044381C (zh) * 1992-06-05 1999-07-28 湖北省沙市市日用化工总厂 工业洗瓶剂

Also Published As

Publication number Publication date
CA2236209A1 (en) 1997-05-29
CA2236209C (en) 2005-06-14
AU7624596A (en) 1997-06-11
JP2000501129A (ja) 2000-02-02
ZA969615B (en) 1998-05-15
EP1021507A1 (de) 2000-07-26
TR199800875T2 (xx) 1998-08-21
JP4361605B2 (ja) 2009-11-11
DE69630407D1 (de) 2003-11-20
DE69630407T2 (de) 2004-08-19
WO1997019157A1 (en) 1997-05-29
ES2208765T3 (es) 2004-06-16
AU716488B2 (en) 2000-02-24
BR9611595A (pt) 1999-04-06

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