EP3394235A1 - Chlorinated solid bleaching composition which protects the fibre - Google Patents
Chlorinated solid bleaching composition which protects the fibreInfo
- Publication number
- EP3394235A1 EP3394235A1 EP16826130.3A EP16826130A EP3394235A1 EP 3394235 A1 EP3394235 A1 EP 3394235A1 EP 16826130 A EP16826130 A EP 16826130A EP 3394235 A1 EP3394235 A1 EP 3394235A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composition
- agent
- bleaching
- chlorine
- solid
- 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.)
- Withdrawn
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 174
- 238000004061 bleaching Methods 0.000 title claims abstract description 59
- 239000007787 solid Substances 0.000 title claims abstract description 17
- 239000000835 fiber Substances 0.000 title claims description 15
- 238000004090 dissolution Methods 0.000 claims abstract description 44
- 230000003287 optical effect Effects 0.000 claims abstract description 44
- 239000007864 aqueous solution Substances 0.000 claims abstract description 18
- 239000007844 bleaching agent Substances 0.000 claims abstract description 15
- 239000004753 textile Substances 0.000 claims abstract description 12
- 239000003599 detergent Substances 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 87
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 69
- 239000000460 chlorine Substances 0.000 claims description 69
- 229910052801 chlorine Inorganic materials 0.000 claims description 69
- 239000008247 solid mixture Substances 0.000 claims description 40
- 230000002087 whitening effect Effects 0.000 claims description 28
- CEJLBZWIKQJOAT-UHFFFAOYSA-N dichloroisocyanuric acid Chemical group ClN1C(=O)NC(=O)N(Cl)C1=O CEJLBZWIKQJOAT-UHFFFAOYSA-N 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 12
- 239000000654 additive Substances 0.000 claims description 10
- 239000002304 perfume Substances 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 8
- -1 4-chloro-2-sulfostyryl Chemical group 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 230000009172 bursting Effects 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 4
- TXVWTOBHDDIASC-UHFFFAOYSA-N 1,2-diphenylethene-1,2-diamine Chemical class C=1C=CC=CC=1C(N)=C(N)C1=CC=CC=C1 TXVWTOBHDDIASC-UHFFFAOYSA-N 0.000 claims description 3
- IFIDXBCRSWOUSB-UHFFFAOYSA-N potassium;1,3-dichloro-1,3,5-triazinane-2,4,6-trione Chemical compound [K+].ClN1C(=O)NC(=O)N(Cl)C1=O IFIDXBCRSWOUSB-UHFFFAOYSA-N 0.000 claims description 3
- KTZQTRPPVKQPFO-UHFFFAOYSA-N 1,2-benzoxazole Chemical compound C1=CC=C2C=NOC2=C1 KTZQTRPPVKQPFO-UHFFFAOYSA-N 0.000 claims description 2
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 claims description 2
- ZMLPKJYZRQZLDA-UHFFFAOYSA-N 1-(2-phenylethenyl)-4-[4-(2-phenylethenyl)phenyl]benzene Chemical group C=1C=CC=CC=1C=CC(C=C1)=CC=C1C(C=C1)=CC=C1C=CC1=CC=CC=C1 ZMLPKJYZRQZLDA-UHFFFAOYSA-N 0.000 claims description 2
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 claims description 2
- TZOYXRMEFDYWDQ-UHFFFAOYSA-N 3,4-dihydro-1h-quinolin-2-one Chemical compound C1=CC=C2NC(=O)CCC2=C1 TZOYXRMEFDYWDQ-UHFFFAOYSA-N 0.000 claims description 2
- GOLORTLGFDVFDW-UHFFFAOYSA-N 3-(1h-benzimidazol-2-yl)-7-(diethylamino)chromen-2-one Chemical compound C1=CC=C2NC(C3=CC4=CC=C(C=C4OC3=O)N(CC)CC)=NC2=C1 GOLORTLGFDVFDW-UHFFFAOYSA-N 0.000 claims description 2
- XJHABGPPCLHLLV-UHFFFAOYSA-N benzo[de]isoquinoline-1,3-dione Chemical class C1=CC(C(=O)NC2=O)=C3C2=CC=CC3=C1 XJHABGPPCLHLLV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004305 biphenyl Substances 0.000 claims description 2
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- 125000006267 biphenyl group Chemical group 0.000 claims description 2
- LIIALPBMIOVAHH-UHFFFAOYSA-N herniarin Chemical compound C1=CC(=O)OC2=CC(OC)=CC=C21 LIIALPBMIOVAHH-UHFFFAOYSA-N 0.000 claims description 2
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- ZLQJVGSVJRBUNL-UHFFFAOYSA-N methylumbelliferone Natural products C1=C(O)C=C2OC(=O)C(C)=CC2=C1 ZLQJVGSVJRBUNL-UHFFFAOYSA-N 0.000 claims description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 2
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- 239000003826 tablet Substances 0.000 claims 2
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- 238000005406 washing Methods 0.000 abstract description 52
- 239000004744 fabric Substances 0.000 abstract description 29
- 230000000249 desinfective effect Effects 0.000 abstract description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 30
- 239000000243 solution Substances 0.000 description 25
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 24
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 21
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- 230000009471 action Effects 0.000 description 7
- 235000015165 citric acid Nutrition 0.000 description 7
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 7
- 239000005708 Sodium hypochlorite Substances 0.000 description 6
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 6
- 239000003086 colorant Substances 0.000 description 6
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 5
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
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- 235000019832 sodium triphosphate Nutrition 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- VJHCJDRQFCCTHL-UHFFFAOYSA-N acetic acid 2,3,4,5,6-pentahydroxyhexanal Chemical compound CC(O)=O.OCC(O)C(O)C(O)C(O)C=O VJHCJDRQFCCTHL-UHFFFAOYSA-N 0.000 description 4
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- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Inorganic materials Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 4
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- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002370 magnesium bicarbonate Substances 0.000 description 1
- 229910000022 magnesium bicarbonate Inorganic materials 0.000 description 1
- 235000014824 magnesium bicarbonate Nutrition 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 239000008108 microcrystalline cellulose Substances 0.000 description 1
- 229940016286 microcrystalline cellulose Drugs 0.000 description 1
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 150000004804 polysaccharides Chemical class 0.000 description 1
- 229920000523 polyvinylpolypyrrolidone Polymers 0.000 description 1
- 235000013809 polyvinylpolypyrrolidone Nutrition 0.000 description 1
- 235000007686 potassium Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 208000029561 pustule Diseases 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 235000020095 red wine Nutrition 0.000 description 1
- 231100001260 reprotoxic Toxicity 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 229940075560 sodium lauryl sulfoacetate Drugs 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- UAJTZZNRJCKXJN-UHFFFAOYSA-M sodium;2-dodecoxy-2-oxoethanesulfonate Chemical compound [Na+].CCCCCCCCCCCCOC(=O)CS([O-])(=O)=O UAJTZZNRJCKXJN-UHFFFAOYSA-M 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229940071117 starch glycolate Drugs 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- C11D3/395—Bleaching agents
- C11D3/3955—Organic bleaching agents
-
- 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
- C11D17/0047—Detergents in the form of bars or tablets
-
- 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
- C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
-
- 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
- C11D3/40—Dyes ; Pigments
- C11D3/42—Brightening agents ; Blueing agents
-
- C11D2111/12—
Definitions
- the present invention relates to a solid whitening composition for washing, disinfecting and bleaching laundry while protecting the textile fibers.
- chlorinated tablets are very often used for the purpose of disinfecting, however they are less often used for bleaching laundry unlike bleach.
- the disinfectant and whitening action of the chlorinated compositions used depends on the chemical elements present in solution.
- the disinfecting power and whitening power of a chlorinated product is related to the amount of hypochlorous acid and sodium hypochlorite present in solution.
- the amount of hypochlorous acid is all the more important that the pH of the solution is low and acid, and sodium hypochlorite is all the more present that the pH of the solution is high and basic. This is demonstrated by the E-pH diagram of chlorine provided in Figure 1.
- Sodium dichloroisocyanurate (DCCNA) products typically have a pH of around 6, dissolved in solution. Sodium dichloroisocyanurate then reacts with water to form hypochlorous acid. Such products therefore have a high disinfecting power.
- DCCNA Sodium dichloroisocyanurate
- liquid products based on sodium hypochlorite that is to say bleach.
- hypochlorite ions are degraded by solar UV rays and heat.
- bleach can very quickly lose its effectiveness and stability.
- the products of the prior art use specific containers, additional additives.
- chlorine-stable opacifiers such as a latex to reduce the impact of UV (EP 1 865 051 and US 3,663,442), anti-free radicals (WO 99/15616), or a source of bromide (US 6,015,782).
- bleach is known to damage textile fibers in the wash and attack colors, such as the majority of known chlorine compositions.
- the damage to the textile fibers may be due to the source of chlorine itself which may be too aggressive, to a quantity of chlorine liberated locally and / or too much. This wear can also be related to the highly basic pH of the bleaching compositions.
- Patent FR 1 453 213 describes in particular a chlorinated composition comprising an optical brightener and sodium tripolyphosphate for its stability; the pH of the solution must be between 9 and 11. The use of sodium tripolyphosphate for laundry is currently banned in Europe.
- patent GB 955,896 describes chlorinated compositions in water-soluble sachets comprising in particular an optical brightener and sodium tripolyphosphate, which can thus bring about a strongly basic pH.
- This document therefore does not describe bleaching and detergent compositions having a pH of between 5 and 9.
- US Pat. No. 3,346,502 describes whitening compositions in the form of a powder comprising in particular a chlorine agent, a pigment (Pultramarine blue) and a stable optical brightener. The whitening activity of these compositions is largely due to the presence of the blue pigment overseas.
- the described compositions may include sodium tripolyphosphate banned in Europe and may cause a strongly basic pH. This document does not describe bleaching and detergent compositions having a pH of between 5 and 9.
- CA 738359 relates to the improvement of whitening compositions and describes a composition comprising dichloroisocyanurate, Overseas Blue, an optical brightener and a strongly alkaline material. This document does not describe bleaching and detergent compositions dissolving in aqueous solution in a time of between 30 seconds to 20 minutes.
- the optical brightener is microencapsulated to provide a certain stability over time in a chlorine solution.
- US Pat. No. 3,706,670 describes bleaching compositions comprising, in particular, potassium dichloroisocyanurate, an optical brightener and an oxidizable reducing agent in aqueous solution in order to prevent damage to the optical brightener by the chlorinated agent.
- This document does not describe a whitening and detergent composition dissolving in aqueous solution in a time of between 30 seconds to 20 minutes.
- compositions of the prior art allow as much disinfection of laundry as bleaching.
- compositions concerned are in the form of multilayer tablet for separating in different layers, the incompatible products between them.
- these compositions comprise a layer comprising the chlorine source and another layer comprising functional ingredients that are not compatible with chlorine, such as enzymes or perfume (US Pat. No. 8,481,471, EP 0 481 547, WO 2013/084072 and EP 1). 352,949).
- the present invention relates to a solid chlorine bleaching composition
- a solid chlorine bleaching composition comprising at least one chlorine bleaching and detergency agent chosen from dichloroisocyanurates and at least one optical brightener, characterized in that the pH of said composition is between 5 and 9, and in that that the dissolution time in solution aqueous composition of said composition is between 30 seconds and 20 minutes.
- the present invention makes it possible to obtain the bleaching properties of bleach while ensuring the protection of textile fibers.
- the invention makes it possible to better preserve the fibers and the colors of the fabrics during the process of bleaching the laundry, even after multiple washings, unlike bleach which, due to its too high pH and its liquid form (instantaneous dissolution ), strongly damages fabrics and colors.
- the present invention also makes it possible to obtain a chlorinated composition that allows both the disinfection of the laundry and its bleaching.
- the composition according to the invention has in particular a good washing efficiency on oxidizable stains.
- the present invention further allows the use of optical brightener without it being necessary to separate it from the chlorine agent and without it being degraded by the chlorine storage or during its use. Moreover, by the solid format of the composition, the amount of brightener is homogeneous for each wash without having to add dispersant or other additive to maintain a homogeneous dispersion in the product.
- the present invention thus makes it possible to prepare a chlorine bleaching composition which comprises at least one layer / mixture comprising both a chlorinated agent and an optical brightener without the need for separation of these compounds.
- the present invention will therefore have the advantage of allowing the preparation of a bleaching chlorine composition by means of a simple preparation process, with a reduced number of stages and a reduced number of components and not requiring separation of the various constituents. .
- the solid composition according to the present invention also allows a homogeneous and controlled release of chlorine in the washing solution, thereby avoiding the aggression of textile fibers by salting a large amount of chlorine in a localized manner.
- composition according to the present invention thus makes it possible to propose a solution to the various disadvantages encountered in the prior art.
- the inventors have surprisingly discovered that the use of a chlorinated bleaching and detergency agent chosen from dichloroisocyanurates and at least one optical brightener in a solid chlorine bleaching composition having a pH of between 5 and 9 makes it possible to obtain whitening properties of bleach while ensuring the protection of textile fibers and the disinfection of linen.
- the inventors have notably noted that when a composition comprising at least one chlorine bleaching and detergency agent chosen from among dichloroisocyanurates and at least one optical brightener is at a pH that is too acidic, that is to say less than 5, an interaction An undesirable effect is created between the chlorine agent and the optical brightener in the composition, which induces a negative synergy and thus decreases the effectiveness of the chlorine on the oxidizable stains as well as the effectiveness of the optical brightener on the whitening; in addition, a pH that is too high, that is to say greater than 9, increases the wear of the fabrics during washing.
- the pH of the composition according to the invention makes it possible to balance the content of sodium hypochlorite and hypochlorous acid in the washing solution, while avoiding these inconveniences.
- the subject of the present invention is mainly a whitening solid composition
- a whitening solid composition comprising at least one chlorine bleaching and detergency agent chosen from dichloroisocyanurates and at least one optical brightener, characterized in that the pH of said composition is between 5 and 9, and in that the dissolution time in aqueous solution of said composition is between 30 seconds and 20 minutes.
- the pH of said composition is advantageously between 6 and 8.5, in particular between 6.5 and 8, more particularly 7.5.
- the pH of the composition according to the invention can be measured using a pH meter after dissolution of the solid composition in a 10% by weight aqueous solution. It can also be measured by any other method known to those skilled in the art.
- composition according to the invention is then formulated to reach, after dissolution at 10% by mass in an aqueous solution, a pH of between 5 and 9, advantageously between 6 and 8.5, in particular between 6.5 and 8, more especially 7.5.
- the dissolution time of the whitening solid composition is between 3 and 15 minutes, especially between 5 and 15 minutes.
- the dissolution time is the time that the solid composition dissolves completely once introduced into the washing solution.
- the dissolution time is in particular measured in water at 30 ⁇ 1 ° C and stirring at a speed between 150 and 250 rpm. This method is applicable to the measurement of the dissolution time of pellets or powders for the washing machine.
- composition according to the invention is then also formulated to dissolve in a washing solution in a time of between 30 seconds and 20 minutes, more particularly between 3 and 15 minutes, in particular between 5 and 15 minutes.
- the chlorine bleaching and detergency agent and the optical brightener are not separated in the composition according to the invention.
- the composition according to the invention thus comprises at least one homogeneous mixture comprising the chlorine bleaching and detergency agent and the optical brightener.
- the solid composition according to the invention can be considered as physically stable, that is to say that it undergoes no visual modification (such as, for example, the appearance of pustules, lamination, change of color, caking) or the holding (such as softening, crumbling, disintegration in more than 30 minutes) when exposed to stressful conditions such as at a temperature of 38 ° C and a relative humidity of 70% for 4 weeks.
- no visual modification such as, for example, the appearance of pustules, lamination, change of color, caking
- the holding such as softening, crumbling, disintegration in more than 30 minutes
- the solid composition according to the invention can also be considered as chemically stable, that is to say that it does not undergo more than 15% by weight of active chlorine loss, relative to the total weight of initial active chlorine ( measured by iodometric assay with thiosulphate), that its constituents, in particular optical brightener, are not degraded or oxidized by the chlorine agent, and that no excessive drop in performance (such as, for example, bleaching, washing results ) is observed when the composition is exposed to stressful conditions such as at a temperature of 38 ° C and a relative humidity of 70%> for 4 weeks.
- chlorine bleaching and detergency agent is intended to mean a chlorine agent which makes it possible to release chlorine in a washing solution and which, when it is dissolved in the washing solution, has a washing action. and bleaching laundry.
- washing or detergent action is meant the action of removing stains and / or bacteria present on the laundry.
- whitening action we mean the action to fight against the dulling of light colors, especially white, to give the linen its original color without damaging it.
- “linen” is intended to mean all articles of cloth for domestic use or clothing.
- laundry means clothing, curtains, sheets, tablecloths, bed linen, towels, sleeping bags, tents, tapestries, carpets.
- Dichloroisocyanurates of sodium and potassium may be anhydrous or dihydrated.
- the dichloroisocyanurates of sodium and potassium may be in amorphous or crystalline form.
- the dichloroisocyanurates hydrolyze to form isocyanuric acid, hypochlorous acid (HCIO) and the corresponding salts, such as sodium hypochlorite (NaClO).
- HCIO hypochlorous acid
- NaClO sodium hypochlorite
- the degree of hydrolysis and the hypochlorite ion content depend on the pH.
- the chlorine bleaching and detergency agent is the sole source of chlorine.
- the chlorine bleaching and detergency agent is not separated from the other compounds of the composition according to the invention.
- a particular advantage of the present invention is therefore to be able to obtain an effective, physically and chemically stable bleaching composition without the need for separation of the chlorine agent from the other compounds.
- the solid composition according to the invention comprises at least 5% by weight of chlorine bleaching and detergency agent, in particular between 5% and 99.9%, relative to the total weight of the composition.
- the chlorine bleaching and detergency content will be adapted according to the amount of chlorine to be released in a wash bath. It is known to those skilled in the art that the amount of chlorine to be released must be controlled according to the volume of the wash bath. Thus, for a given washing bath volume, the chlorinated agent content will be adapted as a function of the mass of the solid composition according to the invention.
- the amount of chlorine to be released into the wash bath is generally from 0.02% to 5% by weight, based on 1 liter of wash bath.
- the chlorine bleaching and detergency content is between 50% and 99.9% by weight, relative to the total weight of the composition.
- the bleaching and detergency chlorine content is between 25% and 50% by weight. weight, relative to the total weight of the composition.
- the content of chlorine bleaching and detergency agent is between 80% and 99.9 % by weight, relative to the total weight of the composition.
- the content of chlorine bleaching and detergency agent is between 60% and 99.9% by weight, relative to total weight of the composition.
- optical brightener means a compound which absorbs ultraviolet electromagnetic radiation between 300 nm and 400 nm wavelength and then re-emits this energy by fluorescence in the visible range between 400 nm and 500 nm, the wavelengths between blue-violet and blue-green with a maximum in blue.
- the optical brightener when applied to a material, thus makes it possible to complete the range of visible light and thus to give the material a whitening effect.
- the optical brightener is dispersed homogeneously in the composition according to the invention.
- the optical brightener is not degraded by chlorine during storage or use of the composition according to the invention.
- the optical brightener may in particular be chosen from derivatives of disulfonic acid, derivatives of bis (triazinylamino) stilbene, derivatives of flavonic acid, derivatives of naphthalimide, pyrene derivatives, derivatives of diaminostilbene (DAS), mono or polysulfonated 4-4 'distyrylbiphenyl (DSBP), 4,4'-bis- (4-chloro-2-sulfostyryl) diphenyl, 4,4'-Bis (2-sulfostyryl) sodium biphenyl, methyl umbelliferone, coumarin, dihydroquinolinone, 1,3-diaryl-pyrazoline, benzoxazole, benzimidazole, benzisoxazole.
- the solid composition according to the invention comprises from 0.01% to 10% by weight of one or more optical brighteners, relative to the total weight of the composition.
- the optical brightener content will be adjusted according to the amount to be released in the wash bath.
- the amount of optical brightener to be released in the wash bath is generally between 0.0005% and 0.1% by weight relative to 1 liter of washing bath.
- the optical brightener content will be between 0.01% and 10% by weight, relative to the total weight of the composition.
- the content of optical brightener will be between 0.05% and 5% by weight, by relative to the total weight of the composition.
- the composition according to the invention comprises at least one agent for acting on the dissolution of the composition, such as an effervescent agent, a disintegrating agent, a bursting agent or their mixture.
- the term "effervescent agent” means a compound capable of releasing gas when it is brought into contact with water or another liquid.
- the effervescent agent allows more particularly the composition to fragment and / or dissolve rapidly in water or other liquid, especially in a washing solution.
- the effervescent agent may in particular be chosen from organic acids, their anhydrides or their salts (such as adipic acid, citric acid, malic acid, tartaric acid, malonic acid, fumaric, maleic acid, succinic acid and mixtures thereof), carbonates or bicarbonates (such as sodium carbonate or bicarbonate, potassium carbonate or bicarbonate, carbonate or calcium bicarbonate, magnesium carbonate or bicarbonate and their mixture ), and a mixture of these.
- the effervescent agent is a bicarbonate, in particular sodium bicarbonate. More preferably, the effervescent agent is a mixture of sodium bicarbonate and an organic acid, especially adipic acid or citric acid. Preferably, the effervescent agent is a sodium bicarbonate / adipic acid pair.
- the term "disintegrating agent" is intended to mean a solid compound dissolved in an aqueous solution and dissolving rapidly in aqueous solution, which makes it possible to improve the permeability of a solid composition when it is applied. in contact with an aqueous solution.
- the term "bursting agent" is intended to mean a compound making it possible to increase the rate of disintegration and / or dissolution of a solid composition by swelling, plastic deformation, wicking effect, when comes in contact with water or other liquid.
- the bursting agent may in particular be chosen from starches, modified or otherwise, starch derivatives, celluloses, modified or otherwise, cellulose derivatives, crosslinked polyacrylates, crosslinked polyvinylpyrrolidones, polysaccharides, alginates such as alginic acid and sodium alginate, aluminum silicate derivatives, silica and / or gums and derivatives, and mixtures thereof.
- the amount of agent (s) for acting on the dissolution of the composition is adapted as a function of the dissolution time to be obtained, the total volume of the washing bath and the quantity of chlorinated agent and optical brightener present in the composition.
- the content of agent (s) allowing to act on the dissolution the composition will be between 0% to 40% by weight, preferably 0.01% to 40% relative to the total weight of the composition.
- the agent content (s) to act on the dissolution of the composition will be between 40% and 70% by weight, relative to the total weight of the composition.
- the agent for acting on the dissolution is at least one effervescent agent and at least one disintegrating agent, in particular a pair of effervescent agents and a disintegrating agent.
- the disintegration agent may be more particularly croscarmellose sodium and the effervescent agent will be chosen in particular from carbonates and bicarbonates, including sodium bicarbonate, citric acid and adipic acid, and their mixtures or a couple sodium bicarbonate / adipic acid and sodium bicarbonate / citric acid.
- the agent for acting on the dissolution is a mixture of sodium bicarbonate and an organic acid, especially adipic acid or citric acid.
- the agent for acting on the dissolution is a sodium bicarbonate / adipic acid or sodium bicarbonate / citric acid pair.
- the nature and the content of the effervescent agent or the pair of effervescent agents also make it possible to achieve, after dissolution at 10% by mass in an aqueous solution, a pH of between 5 and 9, advantageously between 6 and 8.5, in particular between 6.5 and 8, more particularly 7.5.
- the effervescent agent pair is a sodium bicarbonate / adipic acid or sodium bicarbonate / citric acid pair
- the sodium bicarbonate / acid ratio is adapted to obtain the target pH. This ratio will be more particularly between 95: 5 and 40:60, in particular between 95: 5 and 50:50, more particularly between 95: 5 and 70:30, advantageously between 95: 5 and 80:20, more advantageously between 95: 5 and 90: 10.
- the solid composition according to the invention may also comprise at least one additional additive, such as an inert filler, a surfactant, a pH regulator, an enzyme, an antifoaming agent, a binding agent, a perfume or a dye.
- additional additives are, for example, as defined in patent application EP 1 352 949.
- composition according to the invention comprises less than 15% by weight, preferably less than 10% by weight, of an additional additive, relative to the total weight of the composition.
- the composition according to the invention has the advantage of being particularly simple, that is to say that it advantageously comprises less than seven constituents, preferably less than six constituents, in particular less than five constituents.
- the whitening solid composition as described above comprises, by weight relative to the total weight of the composition:
- At least one agent for acting on the dissolution of the composition such as an effervescent agent, a disintegrating agent, a burner or mixtures thereof,
- compositions between 0% and 40% of at least one agent for acting on the dissolution of the composition, such as an effervescent agent, a disintegrating agent, a burner or mixtures thereof,
- the washing bath has a volume of 15 L and the whitening solid composition as described above has a weight of between 31 g and 50 g, it comprises, by weight relative to the total weight of the composition: between 25% and 50% of a chlorine bleaching and detergency agent chosen from dichloroisocyanurates,
- At least one agent for acting on the dissolution of the composition such as an effervescent agent, a disintegrating agent, a burner or their mixtures,
- composition according to the invention is devoid of sodium tripolyphosphate.
- the whitening solid composition may be in the form of granules, powder or a solid tablet.
- composition according to the invention When the composition according to the invention is in the form of powder or granules, its dissolution can in particular be delayed by incorporating the composition into a water-soluble sachet (pouch) or by incorporating into the composition.
- a water-soluble sachet prute sachet
- the term "water-soluble pouch” or "pouch” is intended to mean a bag adapted to comprise powder and to dissolve in a controlled manner in an aqueous solution.
- the whitening solid composition is in the form of a solid tablet.
- solid tablet is intended to mean a compacted composition consisting of a set of particles compactly grouped in such a way that they can be handled without disintegrating.
- composition according to the invention is in the form of a solid tablet
- it is possible to modify the dissolution time for example by modifying the effervescent content, in particular by modifying the ratio of the effervescent couple, by modifying the rate of disintegrating agent and / or burst, applying a compressive force more or less high during implementation, adding a surfactant to slow the dissolution, changing the shape or weight of the tablet.
- the tablet of a chlorinated composition according to the invention may consist of a layer or a stack of several layers which are superimposed on each other. others, thus forming a uniform and compact block.
- the layers may be of similar or different compositions, or even similar or different colors.
- the tablet according to the invention preferably comprises at least one layer comprising both the chlorinated agent and the optical brightener.
- the tablet according to the invention preferably comprises at least one layer comprising both the chlorine agent, the optical brightener, and the agent for acting on the dissolution of the composition.
- the tablet according to the invention consists of a single layer.
- the tablet may have a cylindrical shape with a section having any shape such as a circular, oval, octagonal or parallelepiped shape.
- the section of the compacted composition is parallelepipedic, typically square or rectangular, the corners of the compacted composition can be curved so that they are less brittle.
- Each layer has the same section so that the stack they form together is uniform.
- the compacted composition may also have any other geometrical shape (star, diamond for example).
- the tablet has a mass of between 1 g and 250 g, advantageously between 1 g and 100 g, more advantageously between 2 g and 50 g and in particular between 2 g and 20 g.
- the tablet has a mechanical strength of between 10 N and 5000 N, advantageously between 30 N and 3000 N, more preferably between 50 N and 1500 N.
- the chlorinated composition according to the invention, compacted in tablet form, can in particular be manufactured according to the following preparation method:
- composition a) mixing the various components homogeneously, including at least one chlorine bleaching and detergency agent, at least one optical brightener, to form a composition;
- step c) optionally, introducing on the first layer obtained in step b) a composition as obtained in step a) to form a second layer and then pre-compact the new composition as performed in step b); d) possibly repeat step c) as many times as necessary layers; and
- step e) compacting the layer obtained in step b) or all the layers obtained in step c) or d), in particular by direct compression, for example on rotary presses, to obtain a compacted composition.
- the pre-compaction forces used are in particular between 5 kN and 200 kN, advantageously between 5 kN and 100 kN and more advantageously between 10 kN and 80 kN.
- the compaction force used is in particular between 20 kN and 1000 kN, advantageously between 40 kN and 600 kN and more advantageously between 60 kN and 250 kN.
- the compacted composition thus obtained is resistant to shocks.
- the present invention also relates to the use of a whitening solid composition as described above for the bleaching of a textile.
- the present invention relates to the use of a whitening solid composition as described above for the bleaching of a textile while ensuring the protection of textile fibers.
- the present invention also relates to the use of a solid whitening composition as described above for the bleaching of a textile while ensuring disinfection and washing, including the washing of oxidizable stains.
- FIG 1 shows the E-pH diagram of chlorine.
- Figure 2 shows the release profile of chlorine in a wash solution comprising bleach ( ⁇ ), composition 3 ( ⁇ ), composition 4 (A), composition 1 (x) and composition 5.. CK)
- Figure 3 shows the influence of pH on the washing efficiency ( ⁇ ), bleaching ( ⁇ ) and chemical wear (A) of a fabric for a liquid bleach solution and a sodium dichloroisocyanurate solution. (DCCNa).
- Figure 4 shows the influence of the tested compositions on the protection of the fiber of a fabric.
- the mixtures obtained are then compressed using a 20 mm diameter cylindrical tooling on an OOMPa hydraulic press.
- the H of the solid compositions is measured according to the following method:
- Washing machine Miele Softtronic W5794 front-loading drum machine with a maximum capacity of 7kg.
- Test fabrics Two samples (40cm x 30cm) over-threaded cotton meeting the specifications developed in ISO 2267 standards are introduced into the machine: nature: pure cotton, minimum commercial length: 27 mm
- Chemical wear is due to the degrading action of certain products on the macro-molecules of celluloses of fibers and fabric during washing.
- the determination of the average degree of polymerization of the cellulose is carried out by measuring the viscosity at 25 ° C. of a solution of a cotton sample subjected to the test in a suitable solvent with respect to the viscosity of the solvent itself. .
- TD RI ® slight hue deviation in the red
- TD R2 ® deviation of visible hue in the red
- Washing machine Miele Novotronic W980 front loading drum machine with a maximum capacity of 5kg.
- Spectrophotometric measurements can be used to calculate percentages of soil removal.
- Reflectances are determined using the green trichromatic component, without the action of optical brighteners.
- Washing machine Miele Novotronic W838 front-loading drum machine with a maximum capacity of 7kg.
- Test fabrics Two samples (40cm x 30cm) superimposed cotton are introduced into the machine:
- Spectrophotometric measurements make it possible to calculate the percentages of removal of the soil.
- Reflectances are determined using the green trichromatic component, with the action of optical brighteners.
- This method is applicable to the measurement of the dissolution time of pellets or powders for the washing machine.
- the measurement of the active chlorine is done by an iodometric assay with thiosulphate, follow its evolution in time on the computer connected to the electrode.
- Figure 2 illustrates the release profile of chlorine in the wash solution.
- Figures 3 and 4 respectively illustrate the influence of pH on the washing and bleaching efficiency and on the chemical wear of the fabric, and the influence of the compositions studied on the protection of the fiber.
- compositions according to the invention may especially correspond to the following compositions:
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1562896A FR3045662B1 (en) | 2015-12-21 | 2015-12-21 | WHITENING CHLORINATED SOLID COMPOSITION PROTECTING THE FIBER |
PCT/FR2016/053593 WO2017109399A1 (en) | 2015-12-21 | 2016-12-21 | Chlorinated solid bleaching composition which protects the fibre |
Publications (1)
Publication Number | Publication Date |
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EP3394235A1 true EP3394235A1 (en) | 2018-10-31 |
Family
ID=55646766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP16826130.3A Withdrawn EP3394235A1 (en) | 2015-12-21 | 2016-12-21 | Chlorinated solid bleaching composition which protects the fibre |
Country Status (4)
Country | Link |
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US (1) | US10894933B2 (en) |
EP (1) | EP3394235A1 (en) |
FR (1) | FR3045662B1 (en) |
WO (1) | WO2017109399A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2019115830A1 (en) * | 2017-12-15 | 2019-06-20 | Eurotab | Chlorine tablet packaging |
FR3075183B1 (en) * | 2017-12-15 | 2020-12-18 | Eurotab | CHLORINE TABLET PACKAGING |
CN109957468A (en) * | 2017-12-25 | 2019-07-02 | 浙江神英科技有限公司 | A kind of plant laundry effervescent tablet in olive oil source and preparation method thereof |
US10780028B2 (en) * | 2018-01-23 | 2020-09-22 | Kegel, Llc | Personal care cleaning product in tablet form |
DE102021003785A1 (en) | 2021-07-23 | 2023-01-26 | Aquagroup Ag | disinfectant |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL288374A (en) * | 1962-02-09 | |||
US3346502A (en) * | 1962-02-09 | 1967-10-10 | Colgate Palmolive Co | Bleaching composition |
FR1453213A (en) | 1962-07-27 | 1966-06-03 | Procter & Gamble | Detergent composition for bleaching and providing whiteness |
CA738359A (en) * | 1963-04-25 | 1966-07-12 | The Procter & Gamble Company | Detergent, bleaching and whitening composition |
GB1241970A (en) * | 1967-10-31 | 1971-08-11 | Colgate Palmolive Co | Bleaching compositions |
US3663442A (en) | 1970-02-09 | 1972-05-16 | Purex Corp Ltd | Household bleach having stable opacifier |
US4741858A (en) | 1987-03-02 | 1988-05-03 | The Clorox Company | Timed-release hypochlorite bleach compositions |
US5133892A (en) | 1990-10-17 | 1992-07-28 | Lever Brothers Company, Division Of Conopco, Inc. | Machine dishwashing detergent tablets |
WO1997020909A1 (en) | 1995-12-07 | 1997-06-12 | The Procter & Gamble Company | Process for manufacturing bleaching compositions |
EP0905224A1 (en) | 1997-09-19 | 1999-03-31 | The Procter & Gamble Company | Bleaching compositions |
EP0987315A1 (en) | 1998-09-16 | 2000-03-22 | The Procter & Gamble Company | Bleaching compositions |
US5962387A (en) | 1998-10-16 | 1999-10-05 | Colgate Palmolive Company | Automatic dishwashing tablets |
DE19855329A1 (en) | 1998-12-01 | 2000-06-08 | Henkel Kgaa | Preparations containing active chlorine with stabilized optical brighteners |
FR2838131B1 (en) | 2002-04-08 | 2004-07-23 | Eurotab | DETERGENT SHELF COMPRISING TWO REACTIVE DISSOLVING LAYERS SEPARATED BY A BARRIER LAYER |
US6486111B1 (en) | 2002-04-18 | 2002-11-26 | Colgate-Palmolive Company | Antibacterial cleaning compositions in the form of a tablet |
ES2727924T3 (en) | 2006-06-08 | 2019-10-21 | Procter & Gamble | Bleaching compositions |
FR2903996B1 (en) | 2006-07-18 | 2010-06-04 | Eurotab | MULTILAYER TABLET WITH FRAGMENTATION LAYERS. |
US8361944B2 (en) | 2008-12-09 | 2013-01-29 | The Clorox Company | Solid-layered bleach compositions and methods of use |
US8287755B2 (en) | 2008-12-09 | 2012-10-16 | The Clorox Company | Solid-layered bleach compositions |
WO2013084072A2 (en) | 2011-12-07 | 2013-06-13 | Eurotab | Compacted product for the bleaching of fabrics |
-
2015
- 2015-12-21 FR FR1562896A patent/FR3045662B1/en active Active
-
2016
- 2016-12-21 EP EP16826130.3A patent/EP3394235A1/en not_active Withdrawn
- 2016-12-21 WO PCT/FR2016/053593 patent/WO2017109399A1/en active Application Filing
- 2016-12-21 US US16/064,683 patent/US10894933B2/en active Active
Also Published As
Publication number | Publication date |
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US10894933B2 (en) | 2021-01-19 |
US20190024023A1 (en) | 2019-01-24 |
FR3045662B1 (en) | 2020-10-02 |
WO2017109399A1 (en) | 2017-06-29 |
FR3045662A1 (en) | 2017-06-23 |
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