EP1276840B1 - Scheuermittel in form einer abrasiv wirkenden seife - Google Patents

Scheuermittel in form einer abrasiv wirkenden seife Download PDF

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Publication number
EP1276840B1
EP1276840B1 EP01928023A EP01928023A EP1276840B1 EP 1276840 B1 EP1276840 B1 EP 1276840B1 EP 01928023 A EP01928023 A EP 01928023A EP 01928023 A EP01928023 A EP 01928023A EP 1276840 B1 EP1276840 B1 EP 1276840B1
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EP
European Patent Office
Prior art keywords
residue
producing
filtration
composition according
scouring composition
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
EP01928023A
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English (en)
French (fr)
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EP1276840A1 (de
Inventor
Xavier Pages
Olivier Guillon
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Institut Technique dEtudes et de Recherches des Corps Gras ITERG
Original Assignee
Institut Technique dEtudes et de Recherches des Corps Gras ITERG
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Publication of EP1276840A1 publication Critical patent/EP1276840A1/de
Application granted granted Critical
Publication of EP1276840B1 publication Critical patent/EP1276840B1/de
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Expired - Lifetime legal-status Critical Current

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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
    • C11D9/00—Compositions of detergents based essentially on soap
    • C11D9/04—Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
    • C11D9/06—Inorganic compounds
    • C11D9/18—Water-insoluble compounds
    • C11D9/20—Fillers, abrasives
    • 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
    • C11D17/08—Liquid soap, e.g. for dispensers; capsuled
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/14—Fillers; Abrasives ; Abrasive compositions; Suspending or absorbing agents not provided for in one single group of C11D3/12; Specific features concerning abrasives, e.g. granulometry or mixtures
    • 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
    • C11D9/00—Compositions of detergents based essentially on soap
    • C11D9/04—Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
    • C11D9/22—Organic compounds, e.g. vitamins

Definitions

  • the present invention relates to a scouring composition, of the abrasive soap type, intended in particular for cleaning hands, and a method for producing such a composition.
  • scouring compositions in the form of paste are marketed with abrasive agents incorporated under the name "mechanic's soap”.
  • These compositions, in the form of homogeneous paste, abrasive to the touch generally include sodium soaps, aluminum silicates, water, micro wood particles and possibly perfumes.
  • the French patent FR 668 492 describes a soft soap obtained by mixing black soap and Meudon white to which water containing soda, clay and carbonate of lime is added.
  • the sodium soaps used are based on fats of animal origin whose characteristic fatty acids have been reacted with sodium hydroxide, and they represent less than 10% of the scouring composition.
  • An abrasive agent and water are added to the soap mixture and they represent respectively between 30 and 40% and between 50 and 60% of the composition in weight values.
  • a composition of this type is described in French patent FR 613 607 which describes a paste that can be used as a soap obtained by hot mixing of vegetaline, stearin, liquid potassium hydroxide, potassium carbonate, water and ground pumice.
  • Japanese Patent JP 11335692 describes the preparation of a composition containing clay and fatty acids from a fat filtration residue, by hydrolysis of fats in the presence of a lipase.
  • One of the envisaged applications for the compositions thus prepared is the preparation of a soap by neutralization of the acids formed during the hydrolysis.
  • a first object of the present invention is to provide a scouring composition comprising soaps in proportions identical to or greater than those of the pasta described above and whose production costs are lower.
  • the scouring composition, of the abrasive soap type, intended in particular for cleaning the hands contains a mixture of soaps and mineral particles, said mixture being obtained by treatment of the filter residue and / or bleaching of oils, said residue containing fats and minerals, said treatment consisting in reacting a compound base with said residue, without any other intermediate reaction step, so as to saponify at least a portion of said fat that said residue contains to obtain the soaps.
  • the composition contains a mixture of soaps and abrasive mineral particles, which are derived from a filtration residue of the oils.
  • This residue is generally eliminated in the composting or methanation processes, or even incineration. This elimination represents a relatively high cost for the oil producers and none of the specific characteristics of the residue makes it a raw material that can be used in the soap industry, given the impurities it contains.
  • An essential characteristic of the residue is that it contains both fatty substances, necessary for the manufacture of soaps, and abrasive agents. . Quite unexpectedly, it turns out that the saponification reaction of the fatty substances that the residue contains can be carried out directly with the constituents of the residue without any further reaction step.
  • said scouring composition comprises soaps derived from the saponification of vegetable fats, waxes contained in said fats and mineral substances consisting of filtration aids and / or discolouration grounds.
  • the residue obtained is capable of being converted to give a scouring composition.
  • the scouring composition comprises soaps derived from the saponification of fatty substances of animal origin and mineral substances consisting of filtration aids and / or discolouration grounds.
  • the resulting residue is also able to constitute a raw material for producing a scouring composition.
  • the inorganic particles constituting the abrasive in said composition and constituting a filtering aid for the oil consist of siliceous products. These filter aids prevent clogging of the filters and are added to the oil before filtration at a rate of 0.05 to 0.5% by weight.
  • the siliceous products come from siliceous shells of fossilized algae heat treated. These products called diatoms are heat-treated to partially convert them to crystalline silica.
  • the siliceous products consist of pearlites.
  • the inorganic particles constituting the abrasive in said composition and constituting soil for bleaching the oil are preferably based on clay.
  • the compounds of the clay type have adsorbent properties vis-à-vis the dyes, especially vis-à-vis the carotenes or chlorophylls. These clays are also abrasive agents, quite interesting.
  • the types of soap come preferentially from the saponification of fatty substances contained in the corn oil when the residue is derived from its filtration at the stage of "winterization".
  • the soaps come from the saponification of fatty substances contained in sunflower oil when the residue comes from the filtration of this oil in the "winterization" stage.
  • the scouring composition preferably additionally contains additional water, in particular for practical reasons of spreading on the skin and rinsing with water.
  • additional water in particular for practical reasons of spreading on the skin and rinsing with water.
  • the abrasive power of the composition is not sufficient, advantageously it also contains an additional abrasive agent.
  • the waxes present in the composition give it emollient and thickening properties which help to limit the irritating action of the soap on the skin.
  • a second object of the present invention is to provide a method for producing a scouring composition of the abrasive soap type, intended in particular for cleaning the hands, according to which a basic compound is reacted with the residue of the filtration and / or discoloration of oils, without any other intermediate reaction step, said residue containing fatty substances, and mineral substances, so as to saponify at least a portion of said fatty substances that said residue contains to obtain soaps.
  • the only reaction step is the saponification reaction even if it is split into several phases.
  • a feature of the invention is the use of the filtration residues of the oils to produce cleaning abrasive compositions comprising soaps.
  • an additional fatty substance is added to said residue in order to saponify said additional fatty substance with the fatty substances of said residue.
  • This additional fatty substance makes it possible in certain cases to modify certain properties of the soap resulting from the saponification reaction, in particular its foaming power. In other cases, especially when the scouring composition is used as a lubricant, this additional fatty substance makes it possible to increase the soap content.
  • the residue comprises fatty substances of vegetable origin, waxes contained in said fatty substances and mineral substances consisting of filtration aids and / or discoloration grounds.
  • oil filter aids which are naturally collected in the filter cake, which constitutes the residue, are mixed with the waxes and a certain amount of fatty substance present in the oil.
  • the process for producing the scouring composition consists in directly reacting a strong base on this residue in order to directly transform the fatty substances that it contains into soaps so as to obtain the scouring composition.
  • the first step consists of mixing the filtration residue with water and a strong base in specific amounts so as to saponify most of the fatty substances in the mixture. Then the mixture is immobilized so as not to destabilize the emulsion for the reaction to continue. In a third step, the mixture is brought to the water bath to improve the yield of the saponification reaction, always being careful not to stir the mixture.
  • said mixture is diluted with water after the level of saponified fatty substances has been increased, that is to say after passage in the water bath. This operation is carried out with stirring and the water is added gradually.
  • the residue of the filtration of oils of plant origin preferably comprises between 20 and 60% fat in percent by weight. These amounts make it possible to obtain a final composition whose soap content is between 5 and 25%.
  • the residue of the oil filtration preferably comprises between 35 and 50% of mineral particles, in particular weight percentage, resulting in a final composition comprising between 15 and 40% of mineral particles.
  • mineral particles are advantageously in the form of siliceous shells of thermally treated fossilized algae, more commonly known as diatoms.
  • the residue of the oil filtration comprises inorganic particles in the form of perlites.
  • the oil filter residue comprises clay-based mineral particles, in the case where the oil is bleached.
  • the residue preferably comprises between 1 and 15% of waxes in percentage by weight.
  • waxes are obviously the impurities that one wishes to remove from the oil and, surprisingly, they give the scouring composition the desired emollient properties.
  • saponification conditions are not, here, drastic enough to saponify the waxes, which would make them lose their properties.
  • the residue of the oil filtration comprises between 5% and 20% of water, in percentage by weight, which must be taken into account when calculating the quantities of sodium hydroxide and additional water necessary for carrying out the saponification reaction. .
  • the oils and fats are capable of being transformed into soaps by a so-called "saponification" reaction.
  • the saponification is carried out by successive additions of alkaline lye with oil and / or grease and by boiling the mixture. The mixture is stirred to emulsify.
  • the saponification reaction is the reaction of a triglyceride, or more generally an ester, and a strong base to obtain a soap and an alcohol. This reaction is carried out in two stages: the hydrolysis of triglycerides and the formation of fatty acids and the neutralization of fatty acids.
  • the basic compound used is generally soda, in view of its cost, but it goes without saying that any other base of the potassium hydroxide type, lithium hydroxide, calcium hydroxide, barium hydroxide, magnesium hydroxide or the like, alone or as a mixture , could be used.
  • the contact surface of the two immiscible liquids in particular water and oil, is increased by emulsifying the mixture with stirring.
  • the soap being an excellent emulsifying agent, it promotes the stabilization of the emulsion, which is favorable to the reaction.
  • the saponification reaction is carried out from sodium hydroxide with which small droplets are dispersed in the oil.
  • the objective sought is to allow the most complete saponification possible of the fatty substances present in said residue while avoiding hydrolyzing and saponifying the waxes it contains. Indeed, these waxes give the scouring composition emollient and softening properties quite interesting.
  • the run times of the different phases must be controlled as well as the quantities of sodium hydroxide and water required for the reaction; the dilution ratio of the composition produced must also be determined.
  • the mixture is then heated to a temperature close to 100 ° C. without stirring for a period of 1 hour in order to guarantee good saponification.
  • the soap obtained is slightly alkaline and soap release phenomena are avoided.
  • composition obtained is diluted.
  • This ultimate phase of the protocol consists in adding a determined quantity of demineralized water in order to obtain the desired percentage of humidity.
  • the water content of the abrasive composition has an influence on the release ability of the product and on the abrasive power of the soap which directly conditions its ability to remove dirt from the skin.
  • the optimum water content of the abrasive composition is set at 54%.
  • Analysis of the scouring composition previously described Elements of the composition Percentage in weight values Sodium soaps 19.5 Water 53.6 Abrasive agents 21.6 Vegetable waxes 2.3 Unsaponified glycerides 2.8
  • the scouring composition has about twice the soap content as commercial abrasive compositions. Moreover, the presence of waxes in the composition according to the invention that is not found in commercial abrasive compositions is very interesting because it helps to limit the irritating action of the soaps of the composition.
  • the manufacturing method according to the invention makes it possible to produce glycerine, which is the alcohol resulting from the production of the soap.
  • This glycerine also provides the scouring composition with emollient properties.
  • the scouring composition according to the invention is easy to spread on the skin given its water content. It also has a cleaning power equal to or greater than commercial scouring compositions and provides a feeling of softness on the skin after being used.
  • the particle size of the abrasive particles is finer than that of the abrasive particles of the commercial abrasive compositions.
  • coconut oil contains fatty acids of the lauric acid type, containing chains of 12 carbon atoms, which favors the foamability of the soap obtained.
  • the amounts added to the residue are between 5 and 20%.
  • an additional abrasive agent is added to said composition when the abrasive properties provided by the mineral particles of the residue are not sufficient.
  • the scouring compositions are capable of being produced with the filtration residues of any vegetable oil which undergoes this dewaxing step.
  • vegetable oil examples include sunflower, corn, peanut, olive or rice bran oils.
  • This process aims to bleach the fatty substances, removing the compounds that give them a certain color and especially carotenes and chlorophylls.
  • bleaching earths of the activated clay or montmorillonite type having a large active surface area per gram of material are incorporated in the oil so that the dyes can be adsorbed.
  • the discoloration can be carried out for fats of animal origin. Therefore, it is intended to use the residue of this filtration to produce scouring compositions.

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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)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Lubricants (AREA)

Claims (18)

  1. Verfahren zur Herstellung einer Scheuermittelzusammensetzung vom Typ einer abrasiven Seife, insbesondere zum Waschen der Hände vorgesehen, dadurch gekennzeichnet, daß es die folgenden Stufen umfaßt:
    - man gewinnt einen Rückstand der Filtration und/oder Entfärbung von Ölen, wobei der Rückstand Fettkörper und mineralische Materialien enthält, und
    - man läßt eine basische Verbindung auf dem Rückstand reagieren ohne weitere Zwischenreaktionsstufen, derart, daß wenigstens ein Teil der Fettkörper, die der Rückstand enthält, verseift wird, um Seifen zu erhalten.
  2. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach Anspruch 1, dadurch gekennzeichnet, daß die basische Verbindung aus Hydroxyd von Natrium, Kalium, Lithium, Kalzium, Magnesium oder Barium, allein oder im Gemisch, besteht.
  3. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß man weiterhin einen zusätzlichen Fettkörper zum Rückstand hinzugibt, um den zusätzlichen Fettkörper mit den Fettkörpern des Rückstandes zu verseifen.
  4. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach Anspruch 3, dadurch gekennzeichnet, daß man eine bestimmte Menge zusätzlicher Fettkörper derart zugibt, daß eine Scheuermittelzusammensetzung erhalten wird, deren Verseifungsgrad zwischen 20 und 85 % liegt, wodurch man eine Zusammensetzung erhält, die Gleitmitteleigenschaften aufweist.
  5. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Rückstand Fettkörper pflanzlichen Ursprungs, Wachse, die die Fettkörper enthalten, und mineralische Materialien, die aus Adjuvanten einer Filtration und/oder Bleicherden bestehen, umfaßt.
  6. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Rückstand Fettkörper tierischen Ursprungs und mineralische Materialien enthält, die aus Adjuvanten einer Filtration und/oder Bleicherden bestehen.
  7. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß es die folgenden Stufen umfaßt:
    - man mischt den Rückstand einer Filtration von Ölen mit einer starken Base und Wasser unter Ausbildung eines Gemisches derart, daß wenigstens ein Teil der Fettkörpern verseift wird,
    - man immobilisiert anschließend das Gemisch für eine bestimmte Dauer und
    - man erhöht die Temperatur des Gemisches derart, daß der Anteil verseifter Fettkörper erhöht wird.
  8. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach Anspruch 7, dadurch gekennzeichnet, daß man außerdem das Gemisch mit Wasser verdünnt, nachdem der Anteil verseifter Fettkörper erhöht worden ist.
  9. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Rückstand der Filtration von Ölen zwischen 20 und 60 Gewichtsprozente Fettkörper umfaßt.
  10. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach Anspruch 5, dadurch gekennzeichnet, daß der Rückstand der Filtration aus der Filtration eines Pflanzenöls kommt, das zwischen 1 und 50 Gewichtsprozent Wachse enthält.
  11. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß der Rückstand der Filtration von Ölen zwischen 35 und 50 Gewichtsprozenten mineralischer Partikel enthält.
  12. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Rückstand der Filtration von Ölen mineralische Partikel in Form von silikathaltigen Plättchen förmigen Panzern fossiler Algen umfaßt, die thermisch behandelt sind.
  13. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß der Rückstand der Filtration eines Öls mineralische Partikel in Form von Perliten umfaßt.
  14. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß der Rückstand der Filtration eines Öls mineralische Partikel auf Basis von Ton enthält.
  15. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß der Rückstand der Filtration eines Öls zwischen 5 und 20 Gewichtsprozent Wasser umfaßt.
  16. Verfahren zur Herstellung einer Scheuermittelzusammensetzung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß man dazu außerdem ein zusätzliches abrasives Mittel zugibt.
  17. Scheuermittelzusammensetzung vom Typ einer abrasiven Seife, dadurch gekennzeichnet, daß sie durch ein Verfahren nach einem der Ansprüche 1 bis 16 erhalten wird und daß sie in Gewichtsprozent umfaßt:
    - zwischen 5 und 25 % Seifen ;
    - zwischen 15 und 65 % Wasser;
    - zwischen 15 und 40 % mineralische Partikel, die von dem behandelten Rückstand einer Filtration und/oder Entfärbung kommen, und gegebenenfalls zusätzliches abrasives Mittel,
    - zwischen 1 und 8 % Wachse ; und,
    - zwischen 1 und 5 % nicht verseifte Fettkörper.
  18. Zusammensetzung nach Anspruch 17, dadurch gekennzeichnet, daß das Verfahren angewandt wird auf einen Rückstand einer Filtration und/oder Entfärbung eines Öls aus Sonnenblume, Mais, Erdnuß, Olive oder Reiskleie.
EP01928023A 2000-04-20 2001-04-20 Scheuermittel in form einer abrasiv wirkenden seife Expired - Lifetime EP1276840B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0005085A FR2808029B1 (fr) 2000-04-20 2000-04-20 Composition recurante du type savon abrasif et procede de production d'une telle composition
FR0005085 2000-04-20
PCT/FR2001/001224 WO2001081527A1 (fr) 2000-04-20 2001-04-20 Composition recurante du type savon abrasif

Publications (2)

Publication Number Publication Date
EP1276840A1 EP1276840A1 (de) 2003-01-22
EP1276840B1 true EP1276840B1 (de) 2006-11-29

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ID=8849446

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01928023A Expired - Lifetime EP1276840B1 (de) 2000-04-20 2001-04-20 Scheuermittel in form einer abrasiv wirkenden seife

Country Status (6)

Country Link
EP (1) EP1276840B1 (de)
AT (1) ATE346906T1 (de)
AU (1) AU2001254894A1 (de)
DE (1) DE60124891D1 (de)
FR (1) FR2808029B1 (de)
WO (1) WO2001081527A1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR613607A (fr) * 1926-03-27 1926-11-25 Pâte utilisable comme savon
FR668492A (fr) * 1927-11-17 1929-11-02 Savon mou spécial
FR931973A (fr) * 1946-08-02 1948-03-09 Nouveau procédé de fabrication de savon en pâte et produit en résultant
SU819160A1 (ru) * 1978-12-04 1981-04-07 Всесоюзный Научно-Исследователь-Ский Институт Жиров Способ выделени воска из отходовМАСлОРАфиНАциОННОгО пРОизВОдСТВА
JP3581018B2 (ja) * 1998-05-26 2004-10-27 旭電化工業株式会社 白土含有脂肪酸組成物等の製造方法
JPH11349980A (ja) * 1998-06-08 1999-12-21 Shinko:Kk 金属石鹸の製造方法

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Publication number Publication date
AU2001254894A1 (en) 2001-11-07
EP1276840A1 (de) 2003-01-22
WO2001081527A1 (fr) 2001-11-01
ATE346906T1 (de) 2006-12-15
FR2808029A1 (fr) 2001-10-26
FR2808029B1 (fr) 2003-08-08
DE60124891D1 (de) 2007-01-11

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