EP1232239A1 - Procede pour la production de detergents ou de nettoyants particulaires - Google Patents

Procede pour la production de detergents ou de nettoyants particulaires

Info

Publication number
EP1232239A1
EP1232239A1 EP00979590A EP00979590A EP1232239A1 EP 1232239 A1 EP1232239 A1 EP 1232239A1 EP 00979590 A EP00979590 A EP 00979590A EP 00979590 A EP00979590 A EP 00979590A EP 1232239 A1 EP1232239 A1 EP 1232239A1
Authority
EP
European Patent Office
Prior art keywords
particle
alkali
component
acidic component
length units
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.)
Granted
Application number
EP00979590A
Other languages
German (de)
English (en)
Other versions
EP1232239B1 (fr
Inventor
Jürgen MILLHOFF
Peter Schmiedel
Wolfgang Von Rybinski
Ute Krupp
Thomas Otto Gassenmeier
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP1232239A1 publication Critical patent/EP1232239A1/fr
Application granted granted Critical
Publication of EP1232239B1 publication Critical patent/EP1232239B1/fr
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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
    • 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
    • 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
    • C11D3/3942—Inorganic per-compounds

Definitions

  • the present invention relates to a method for producing particulate detergents or cleaning agents.
  • Particulate detergents and cleaning agents normally consist of a large number of ingredients which, due to mutual incompatibilities, are usually incorporated into the entire detergent in several particulate components.
  • Examples of such mutually incompatible ingredients are bleach and bleach activator, which should react with one another in aqueous solution under conditions of use and then give a desired increased bleaching performance, but which must not react with one another during storage, since they are otherwise no longer available for the desired application stand.
  • a less striking example of the non-optimal interaction of individual ingredients of detergents and cleaning agents results from their pH-dependent performance.
  • anionic surfactants and builders for example, require an alkaline pH value in order to fully develop their performance.
  • both dirt particles and most textile fibers form an increasing number of negative charges with increasing pH, which leads to increasing repulsion among them and is therefore beneficial to the desired washing result.
  • textile washing has been carried out with more or less alkaline washing liquors for ages. The same applies mutatis mutandis to aqueous solutions for cleaning hard surfaces, for example in the course of machine cleaning processes for dishes.
  • Detergent ingredient is understood to mean a substance, the addition of which to water, which has a pH of 7, leads to an acidic or alkaline pH.
  • m c and m ,, or r and the unit of length used for c are each in the same size unit, for example kg and ⁇ m.
  • m is to be understood as the total mass of the particles to be treated and their average particle radius.
  • a particle to be treated according to the invention can optionally contain all the ingredients of a washing or cleaning agent, that is to say with the method according to the invention it is possible to encase a finished washing or cleaning agent.
  • Such alkaline ingredients are preferably alkali silicates, alkali aluminosilicates, alkali phosphates, alkali carbonates, alkali perborates and alkali percarbonates and mixtures thereof, sodium being the preferred alkali metal.
  • the procedure is preferably such that the liquid or pasty acidic component, optionally in molten form, is applied in a mixer or a granulating device to the optionally heated particles, which at least partially consist of an alkaline detergent or cleaning agent ingredient. Particularly good coatings are achieved if the acidic component is applied to the particle over a period of 5 minutes to 20 minutes.
  • the core of the particles obtainable according to the invention contains almost exclusively the constituents of the particle originally used. This core is surrounded by a layer in which increasingly higher concentrations of acidic coating material or its salt formed with the alkaline component occur from the inside to the outside, wherein the outer surface can be formed entirely by acidic coating material.
  • constituents of the particle made of alkaline material can be all the usual ingredients of detergents and cleaning agents that are compatible with it, as long as they can be made up in a fixed or fixed manner.
  • these include in particular other builder substances, surface-active surfactants, further peroxygen compounds, peroxygen activators, sequestering agents, electrolytes and other auxiliaries, such as color transfer inhibitors, silver corrosion inhibitors, foam regulators and colorants and fragrances, the presence of peroxygen activators in the particle of alkaline material being less it is preferred if this particle also contains peroxygen compound.
  • the particles produced by the process according to the invention are, preferably after mixing with at least one further particulate component
  • Detergents or cleaning agents are used, which can be agents for manual or in particular machine washing or cleaning.
  • the at least one further component contains at least one active ingredient whose washing or cleaning action is higher at a lower pH than when the alkali component contained in the particles produced by the process according to the invention dissolves than at the pH upon dissolution of the named particle.
  • This active ingredient is preferably selected from enzymes or enzyme mixtures, and in the case of the mixtures the individual active ingredients can also be present in several differently composed particulate components.
  • the at least one other component of such a solubility that it releases as much of the active substance as possible under the initially lower pH conditions, but essentially only after the pH has risen due to the then higher alkalinity of it surrounding aqueous systems fully unfolds its effect, or which reacts in another way with the alkali component then released.
  • An example of the last-mentioned variant is a bleach activator that is soluble or soluble at a lower pH, which reacts with a bleaching agent released from the particles coated according to the invention and, because it is already dissolved, can develop a strong bleaching effect extremely quickly.
  • FIG. 1 shows the pH curve after incorporation in water of the product produced by applying 1.5 g of stearic acid.
  • FIG. 1 also contains the pH curve of the uncoated percarbonate.

Landscapes

  • 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)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne un procédé pour la production de détergents ou de nettoyants particulaires ou de produits de départ permettant la production de tels détergents ou nettoyants, par application d'un constituant acide coulant sur une particule contenant au moins en partie un ingrédient de détergent ou de nettoyant alcalin. Le procédé selon l'invention est caractérisé en ce que, pour la proportion de constituant acide appliqué, on a en fonction du rayon la formule mc/(mc+mp) = c.1/r, dans laquelle mc représente la masse du constituant acide, mp représente la masse de la particule, r représente le rayon de la particule et c représente un facteur de 0,5 à 20 unités de longueur.
EP00979590A 1999-11-26 2000-11-17 Procede pour la production de detergents ou de nettoyants particulaires Expired - Lifetime EP1232239B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19957036 1999-11-26
DE19957036A DE19957036A1 (de) 1999-11-26 1999-11-26 Verfahren zur Herstellung teilchenförmiger Wasch- oder Reinigungsmittel
PCT/EP2000/011425 WO2001038477A1 (fr) 1999-11-26 2000-11-17 Procede pour la production de detergents ou de nettoyants particulaires

Publications (2)

Publication Number Publication Date
EP1232239A1 true EP1232239A1 (fr) 2002-08-21
EP1232239B1 EP1232239B1 (fr) 2006-02-01

Family

ID=7930482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00979590A Expired - Lifetime EP1232239B1 (fr) 1999-11-26 2000-11-17 Procede pour la production de detergents ou de nettoyants particulaires

Country Status (8)

Country Link
US (1) US7064099B1 (fr)
EP (1) EP1232239B1 (fr)
JP (1) JP5036113B2 (fr)
AU (1) AU1702501A (fr)
CA (1) CA2326940A1 (fr)
DE (2) DE19957036A1 (fr)
ES (1) ES2255518T3 (fr)
WO (1) WO2001038477A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10136211B4 (de) * 2001-07-25 2007-05-24 Henkel Kgaa Verfahren zur Herstellung teilchenförmiger Wasch-oder Reinigungsmittel
DE102005041709A1 (de) * 2005-09-02 2007-03-08 Henkel Kgaa Reinigungsmittel
DE102006028750A1 (de) 2006-06-20 2007-12-27 Henkel Kgaa Reinigungsverfahren
DE102005041708A1 (de) 2005-09-02 2007-03-08 Henkel Kgaa Reinigungsmittel
ES2395044T3 (es) 2005-09-02 2013-02-07 Henkel Ag & Co. Kgaa Detergentes
US20090239778A1 (en) * 2005-09-02 2009-09-24 Henkel Kgaa Cleaning Agent
US20080229554A1 (en) * 2005-09-06 2008-09-25 Aero Project Consultants Pty Ltd Luggage Security Device

Family Cites Families (39)

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DE221377C (fr) *
DE228458C (fr) *
DE140987C (fr) * 1903-05-16
GB707994A (en) * 1950-02-13 1954-04-28 Ruhrchemie Ag Process for the neutralization of sulphonic acids
US2671797A (en) * 1951-02-15 1954-03-09 Ruhrchemie Ag Neutralization of sulfonic acids and sulfuric acid esters
US2975141A (en) * 1957-02-21 1961-03-14 American Alcolac Corp Preparation of sulfo detergents
FR1457677A (fr) * 1965-09-23 1966-01-24 Colgate Palmolive Co Procédé de lavage du linge
GB1370626A (en) * 1971-01-27 1974-10-16 Laporte Industries Ltd Coated peroxygen compounds
DE2318930A1 (de) * 1972-04-17 1973-10-31 Procter & Gamble Enzym enthaltende detergenzgemische
US3908045A (en) * 1973-12-07 1975-09-23 Lever Brothers Ltd Encapsulation process for particles
US4327151A (en) * 1976-08-25 1982-04-27 Lever Brothers Company Encapsulated bleaches and methods for their preparation
LU76548A1 (fr) * 1977-01-10 1978-09-18
GB2000177B (en) * 1977-06-27 1982-01-20 Akzo Nv Detergent compositions
US4297229A (en) * 1979-10-23 1981-10-27 United States Borax & Chemical Corporation Particulate borate-soap compositions
FR2471222A1 (fr) * 1979-12-12 1981-06-19 Interox Procede pour la stabilisation de particules contenant des composes peroxygenes et compositions de blanchiment contenant des particules stabilisees selon ce procede
US4421664A (en) * 1982-06-18 1983-12-20 Economics Laboratory, Inc. Compatible enzyme and oxidant bleaches containing cleaning composition
US4734224A (en) * 1986-09-15 1988-03-29 The Dial Corporation Dry neutralization process for detergent slurries
GB2209172A (en) * 1987-08-28 1989-05-04 Unilever Plc Preparation of solid particulate components for detergents
JPH03115496A (ja) * 1989-09-29 1991-05-16 Kao Corp 漂白剤及び漂白洗浄剤組成物
JP2918991B2 (ja) * 1990-05-25 1999-07-12 三菱瓦斯化学株式会社 漂白洗浄剤組成物
WO1992017404A1 (fr) * 1991-03-26 1992-10-15 Henkel Kommanditgesellschaft Auf Aktien Percarbonate de sodium stabilise
DE4128826A1 (de) * 1991-08-30 1993-03-04 Henkel Kgaa Wasch- und/oder reinigungsverfahren
US5505875A (en) * 1991-09-03 1996-04-09 Degussa Aktiengesellschaft Storage-stable encapsulated sodium percarbonate and process for its production
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Also Published As

Publication number Publication date
CA2326940A1 (fr) 2001-05-26
US7064099B1 (en) 2006-06-20
DE19957036A1 (de) 2001-05-31
AU1702501A (en) 2001-06-04
JP5036113B2 (ja) 2012-09-26
ES2255518T3 (es) 2006-07-01
EP1232239B1 (fr) 2006-02-01
JP2003514982A (ja) 2003-04-22
DE50012170D1 (de) 2006-04-13
WO2001038477A1 (fr) 2001-05-31

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