WO2024257963A1 - Agent de blanchiment de type feuille - Google Patents

Agent de blanchiment de type feuille Download PDF

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Publication number
WO2024257963A1
WO2024257963A1 PCT/KR2023/017550 KR2023017550W WO2024257963A1 WO 2024257963 A1 WO2024257963 A1 WO 2024257963A1 KR 2023017550 W KR2023017550 W KR 2023017550W WO 2024257963 A1 WO2024257963 A1 WO 2024257963A1
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WO
WIPO (PCT)
Prior art keywords
sheet
organic acid
shaped
bleach
water
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.)
Ceased
Application number
PCT/KR2023/017550
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English (en)
Korean (ko)
Inventor
오경훈
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.)
LG H&H Co Ltd
Original Assignee
LG Household and Health Care Ltd
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
Priority claimed from KR1020230135383A external-priority patent/KR20240175666A/ko
Application filed by LG Household and Health Care Ltd filed Critical LG Household and Health Care Ltd
Priority to CN202380099334.6A priority Critical patent/CN121311571A/zh
Publication of WO2024257963A1 publication Critical patent/WO2024257963A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • 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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • 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

Definitions

  • the present disclosure relates to a sheet-shaped bleaching agent.
  • sheet-type detergents are being developed as single-packaged detergent formulations. These sheet-type detergents are not only easy to store and convenient to use, but also have excellent water solubility and water dispersibility of active ingredients during the washing process due to their large surface area.
  • Detergents for fabrics can be divided into laundry detergents and bleaching agents.
  • Laundry detergents are intended to remove general contaminants, such as particle contamination, oil contamination, or human contamination, while bleaching agents are intended to remove pigments that are difficult to remove with laundry detergents.
  • effective ingredients of bleaching agents include general bleaching ingredients such as hydrogen peroxide, sodium percarbonate, or chlorine bleach.
  • sheet-type detergents are generally subjected to high temperatures of 100 to 150°C in the step of drying the slurry during the manufacturing process.
  • the general bleaching ingredients mentioned above are likely to be hydrolyzed when included in water, and hydrolysis is accelerated particularly when high temperatures are applied. Accordingly, bleaching ingredients that have undergone the drying process lose their function, so there is a problem that it is difficult to include bleaching ingredients in existing sheet formulations.
  • inorganic compounds such as talc are sometimes used in excessive amounts as fillers in sheet-type detergents, there is a problem that the talc remains when dissolved in water, contaminating the laundry.
  • the problem that the present disclosure seeks to solve is to provide a sheet-type bleach that stably includes a heat-stable bleaching ingredient in the formulation in order to resolve the problems of the existing sheet-type bleaching agent as described above.
  • the problem that the present disclosure seeks to solve is to provide a sheet-type bleaching agent that not only has excellent bleaching power, but also forms a tensile strength appropriate for production, enables formulation, and also has excellent drying efficiency.
  • the problem to be solved by the present disclosure is to provide a sheet-type bleaching agent having excellent formulation stability by forming appropriate tensile strength while not containing talc and thus not leaving talc in laundry.
  • the problem to be solved by the present disclosure is to provide a bleaching use of a sheet-shaped bleaching agent having excellent bleaching power and formulation stability, and a method for producing such a sheet-shaped bleaching agent.
  • the inventors of the present invention have made extensive research efforts to solve the above problems and have found that when an organic acid is used as a bleaching ingredient in a sheet-type bleach, the sheet-type bleach is stable to heat and has excellent bleaching power.
  • an organic acid is included in excess during the manufacture of a sheet-type bleach, problems may arise in that the formulation and drying efficiency of the sheet are reduced.
  • the inventors of the present invention have found that when an organic acid and an organic acid salt are included together when formulating a sheet-type bleach using a water-soluble polymer, not only is the bleaching power excellent, but also the tensile strength for formulation is appropriately formed and the drying efficiency is also excellent, thereby completing the present invention.
  • the present disclosure provides a sheet-shaped bleach comprising an organic acid, an organic acid salt, and a water-soluble polymer.
  • the 'sheet' may mean a formulation in which a water-soluble polymer is solidified in the form of a flat sheet, for example, but not limited to, a formulation such as a film.
  • the sheet may have, for example, a flat rectangular shape, but is not limited thereto.
  • the 'bleach' may refer to a product used in everyday living spaces to remove stains on clothing, etc., to whiten discolored conditions, or to make primary colors vivid.
  • the bleach may be used to remove stains that are difficult to remove with general laundry detergents.
  • the organic acid may be at least one selected from the group consisting of citric acid, lactic acid, acetic acid, formic acid, and oxalic acid, but is not limited thereto.
  • the organic acid may be citric acid, and citric acid is heat stable and has excellent bleaching power when producing a sheet-shaped bleach.
  • the organic acid salt can be a conventional salt of the corresponding organic acid, for example, the organic acid salt includes at least one of an inorganic salt and an organic salt of the organic acid, wherein the inorganic salt includes at least one selected from the group consisting of a sodium salt, a potassium salt, a calcium salt, a magnesium salt, an aluminum salt, a zinc salt, and the like, and the organic salt includes at least one selected from the group consisting of an organic amine salt and a basic amino acid salt, and the organic amine salt includes at least one selected from the group consisting of an ammonium salt, a monoethanolamine salt, a diethanolamine salt, a triethanolamine salt, and the like, and the basic amino acid salt includes at least one selected from the group consisting of an arginine salt and a lysine salt, but is not limited thereto.
  • the inorganic salt includes at least one selected from the group consisting of a sodium salt, a potassium salt, a calcium salt, a magnesium salt, an aluminum salt, a zinc
  • the weight ratio of the organic acid and the organic acid salt may be 10:1 to 1:1, preferably 7:1 to 1:1, and more preferably 5:1 to 1:1 (organic acid:organic acid salt).
  • the sheet-shaped bleach of the present disclosure contains the organic acid and the organic acid salt in the weight ratio as described above, not only is the bleaching power excellent, but also the tensile strength for formulation and the drying efficiency are significantly improved.
  • the organic acid and the organic acid salt may be included in an amount of 3 to 40 wt%, preferably 7 to 35 wt%, and more preferably 10 to 30 wt%, relative to the total weight of the sheet-shaped bleach.
  • content of the organic acid and the organic acid salt is within the above range, not only is the bleaching power excellent, but also the tensile strength for formulation and the drying efficiency are significantly improved.
  • the 'total weight of the sheet-shaped bleach' is substantially the same as the 'dry weight of the sheet-shaped bleach'. Since the sheet-shaped bleach can be manufactured by applying a thin layer of a compounding solution and then drying it, the total weight of the finished sheet-shaped bleach is substantially the same as the dry weight.
  • the water-soluble polymer may be at least one selected from the group consisting of, but is not limited to, polyvinyl alcohol (PVA), a polyvinyl alcohol-based copolymer, gelatin, pectin, dextran, hyaluronic acid, collagen, agar, gum arabic, gum acacia, alginic acid, sodium alginate, methylcellulose, ethylcellulose, hydroxyethylcellulose, carboxymethylcellulose, sodium carboxymethylcellulose, starch, dextrin, carboxymethyl starch, polyvinylpyrrolidone, polyvinyl methacrylate, polyacrylic acid, and polyethylene oxide.
  • PVA polyvinyl alcohol
  • gelatin a polyvinyl alcohol-based copolymer
  • pectin dextran
  • hyaluronic acid collagen
  • collagen agar
  • gum arabic gum acacia
  • alginic acid sodium alginate
  • methylcellulose ethylcellulose
  • the water-soluble polymer may include polyvinyl alcohol (PVA).
  • PVA polyvinyl alcohol
  • the polyvinyl alcohol may be a polyvinyl alcohol having a degree of saponification of 75 mol% or more, preferably 77 mol% or more, and more preferably 80 mol% or more.
  • the upper limit of the degree of saponification of the polyvinyl alcohol may be 100 mol% or less, preferably 99 mol% or less.
  • the sheet-shaped bleach of the present disclosure includes polyvinyl alcohol having the specific degree of saponification together with an organic acid and an organic acid salt, thereby appropriately forming the tensile strength of the sheet, enabling formulation, and also significantly improving the drying efficiency.
  • the water-soluble polymer may be present in an amount of 15 to 60 wt%, preferably 20 to 50 wt%, and more preferably 25 to 45 wt%, relative to the total weight of the sheet-shaped bleach.
  • the water-soluble polymer preferably polyvinyl alcohol
  • the formulation stability and drying efficiency of the sheet-shaped bleach are excellent.
  • the molecular weight of the water-soluble polymer may be 10,000 to 50,000 MW, preferably 20,000 to 30,000 MW.
  • the molecular weight of the water-soluble polymer preferably polyvinyl alcohol, is within the above range, the formulation stability and drying efficiency of the sheet-shaped bleach are excellent.
  • the weight ratio of the organic acid and organic acid salt:water-soluble polymer included in the sheet-shaped bleaching agent may be 1:1 to 1:10, preferably 1:1 to 1:5 (organic acid and organic acid salt:water-soluble polymer).
  • the water-soluble polymer in the weight ratio may be polyvinyl alcohol.
  • the sheet-shaped bleach may be substantially free of inorganic compounds.
  • the inorganic compound may be, but is not limited to, talc, zeolite, silicon dioxide, or colloidal silica.
  • the inorganic compound may not be substantially contained in the sheet-shaped bleach, and may be contained in an amount of less than 1 wt%, preferably less than 0.5 wt%, relative to the total weight of the sheet-shaped bleach, or may not be contained at all.
  • the sheet-shaped bleach of the present disclosure can prevent contamination of laundry by inorganic compounds, and even if it does not substantially contain inorganic compounds, the tensile strength is appropriately formed, and thus the formulation stability is excellent.
  • the sheet-shaped bleach can further include a plasticizer to form an appropriate tensile strength, thereby improving formulation stability and drying efficiency.
  • the plasticizer can prevent a clumping phenomenon during the preparation of a mixing solution of the sheet-shaped bleach, and since there is no need to additionally add water due to the inclusion of the plasticizer, drying efficiency can be improved.
  • the plasticizer may be at least one selected from the group consisting of sorbitol, mannitol, glycerin, glycol, pentaerythritol, and polyol, but is not limited thereto.
  • the plasticizer may be included in an amount of 3 to 8 wt%, preferably 3 to 6 wt%, relative to the total weight of the sheet-shaped bleach.
  • the pH of the sheet-shaped bleach may be 6 or less, preferably 5.9 or less, or the pH may be 4 to 6.
  • the sheet-shaped bleach of the present disclosure has remarkably excellent bleaching power as it has a pH in the above range.
  • the thickness of the sheet of the sheet-shaped bleaching agent may be 0.05 to 0.5 cm, preferably 0.1 to 0.3 cm.
  • the effective ingredient can be sufficiently contained, the strength of the sheet is increased, and the dissolution rate is appropriate, thereby improving the bleaching performance.
  • the sheet-shaped bleach may optionally include, but is not limited to, a stabilizer, silicone oil, a radical scavenger, a chelating agent, a pH regulator, a nonionic surfactant, an anionic surfactant, a cationic surfactant, an amphoteric surfactant, a fragrance, a preservative, or a colorant.
  • the present disclosure provides a bleaching use of a sheet-shaped bleach comprising an organic acid, an organic acid salt, and a water-soluble polymer.
  • the bleaching use is characterized in that the formulation stability and drying efficiency of the sheet-shaped bleach are excellent, and the bleaching power is remarkably excellent by using the sheet-shaped bleach.
  • step (s1) of the production method may additionally dissolve a plasticizer in water.
  • step (s1) may dissolve a water-soluble polymer in water, then dissolve a plasticizer, and then dissolve an organic acid and an organic acid salt.
  • the overall content regarding the sheet-shaped bleach may be equally applied to the production method.
  • the sheet-shaped bleach of the present disclosure not only has excellent bleaching power by containing a water-soluble polymer together with an organic acid and an organic acid salt, but also has excellent formulation stability and excellent drying efficiency by forming the tensile strength of the sheet appropriately.
  • Figure 1 is a photograph of the dried sheet shape of sheet-shaped bleaching agents of Comparative Examples 2-1 to 2-5 and Examples 2-1 to 2-2 manufactured in Experimental Example 2.
  • Figure 2 is an optical microscope photograph of the sheet-shaped bleaching agents of Comparative Examples 2-1 and 2-5 and Examples 2-1 and 2-2, and shows the results of observing bubbles formed therein.
  • Figure 3 is a photograph of the dried sheet shape of the sheet-shaped bleach of Comparative Example 4-1 manufactured in Experimental Example 5.
  • Figure 4 shows the results of evaluating the solubility of the sheet of Comparative Example 4-1 in Experimental Example 5 by dissolving it in water.
  • Sheet-type bleaching agents of examples and comparative examples were manufactured according to the compositions described in Table 1 below.
  • Table 1 below the content of each component is expressed in weight % based on the dry weight of the sheet.
  • Each sheet-type bleaching agent was manufactured using the manufacturing method below.
  • Comparative Example 1-1 is a general sheet-type laundry detergent containing sodium carbonate. It was confirmed that although it is possible to formulate an alkaline laundry detergent, it is not suitable for use as a bleach because the bleaching power is not good. It was confirmed that the bleaching power increased when citric acid was included (Comparative Examples 1-2 to 1-4), but it was confirmed that it was not possible to formulate a sheet. Looking at the experimental results, it was confirmed that the sheet-type bleaching agents of Examples 1-1 to 1-6 had excellent bleaching power and that the formulation of the sheet was also stable.
  • the pH was measured at room temperature using a standard usage concentration of 0.089 g/L.
  • the formulation evaluation was evaluated based on the direction of force applied when separating the sheet from the release paper after sheet manufacturing.
  • the evaluation score was evaluated from 1 to 4 points based on the criteria below.
  • the bleaching power evaluation was performed as follows.
  • Comparative Examples 2-1 to 2-5 and Examples 2-1 to 2-2 were manufactured by varying the saponification degree of polyvinyl alcohol as shown in Table 2 below.
  • Example 2-1 PVA(MW 22,000) saponification degree (mol%) 72 72 82 88 72 82 88 furtherance (wt% based on sheet dry weight) PVA 25 27 27 27 25 25 25 25 SLS 46 49 49 49 48 48 48 laureth-7 8 9 9 9 6 6 6 sodium carbonate 7 0 0 0 0 0 0 citric acid 0 0 0 0 10 10 10 sodium citrate 0 0 0 0 7 7 7 7 sorbitol (plasticizer) 14 15 15 15 15 0 0 0 glycerin (plasticizer) 0 0 0 0 4 4 4 total 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100
  • the above Comparative Example 2-1 is a general sheet-type laundry detergent containing sodium carbonate. Looking at the above Comparative Example 2-5 and Examples 2-1 to 2-2, it can be seen that as the PVA saponification degree increases, the viscosity of the mixing solution before drying increases. It was confirmed that the higher the viscosity of the mixing solution, the better the bubbles in the mixing solution are maintained during drying, which increases the thickness and decreases the density, resulting in excellent drying efficiency and, accordingly, an increase in tensile strength. It was confirmed that the above Examples 2-1 and 2-2 had excellent drying efficiency, resulting in excellent formulation and tensile strength.
  • the pH was measured at room temperature using a standard usage concentration of 0.089 g/L.
  • the bottom 1 cm of the dried sheet was removed, and a 6 cm sample was taken from the top.
  • Three samples were made with a width of 2.5 cm, and the average thickness and average weight were measured.
  • the sample was pulled at a speed of 500 mm/min using a Zwick Roell machine.
  • the maximum force (N) at which the sample was destroyed was measured, and the tensile strength was measured by dividing it by the area (width ⁇ height).
  • the shape of the dried sheet was confirmed with the naked eye.
  • ⁇ The sheet is separated from the release paper without tearing, but the length of the sheet is deformed during the process.
  • ⁇ The sheet is separated from the release paper without tearing, and the length of the sheet is not deformed during the process, but the dry state is different in some parts of the sheet.
  • ⁇ The sheet is separated from the release paper without tearing, the length of the sheet is not deformed during the process, and the dryness is the same in all parts of the sheet.
  • Comparative Examples 2-1 and 2-5 and Examples 2-1 and 2-2 were observed using an optical microscope (Olympus DSX-CB), and the corresponding photographs are shown in Fig. 2.
  • the sheet of Comparative Example 2-1 has relatively small and uniformly formed bubbles (pores), and these small and uniform bubbles can increase the surface area and increase the drying efficiency.
  • Comparative Examples 3-1 to 3-3 were manufactured by varying the content of plasticizer as shown in Table 5 below.
  • Example 2-2 Comparative Example 3-1 Comparative Example 3-2 Comparative Example 3-3 PVA(MW 22,000) saponification degree (mol%) 88 88 88 88 furtherance (wt% based on sheet dry weight) PVA 25 26.0 25.4 23.7 SLS 48 50.0 48.8 45.8 laureth-7 6 6.3 6.1 5.8 citric acid 10 10.4 10.1 9.5 sodium citrate 7 7.3 7.1 6.7 glycerin (plasticizer) 4 0 2.5 8.5 total 100 100 100 100 100 100 Sheet Formulation O X ⁇ ⁇
  • the sheet formulation evaluation was evaluated based on the degree to which the sheet was separated from the release paper immediately after drying and the change in the physical properties of the sheet after a certain period of time (1 day at room temperature).
  • the sheet When separated from the release paper, the sheet is not torn, but after a certain period of time, the sheet is denatured. For example, after a certain period of time (1 day RT), the flexibility decreases rapidly and breaks (when there is little plasticizer), or the flexibility increases rapidly and it bends easily and becomes sticky (when there is a lot of plasticizer).
  • Comparative Example 4-1 As in the above Experimental Example 2, a sheet-shaped bleach of Comparative Example 4-1 was prepared additionally containing talc with the composition described in Table 6 below. In addition, the physical properties of Comparative Example 4-1 were evaluated in the same manner as in the above Experimental Example 2, and are shown in Table 6 below.
  • the above talc used is Micro Talc ACE P-3 (manufacturer: NIPPON TALC), and its CAS number is: 14807-96-6.
  • the sheet manufactured with the mixture of Comparative Example 4-1 did not stretch and had no undried portions, so that the sheet formulation and drying efficiency were excellent (Fig. 3). However, when the sheet of Comparative Example 4-1 was dissolved in water at a concentration of 1 g/1000 L, it was not completely dissolved due to talc and remained cloudy, so that the solubility was not good (Fig. 4). Considering that general detergents or bleaches should not leave residues after washing, the sheet of Comparative Example 4-1 containing talc was not suitable as a laundry product.

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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)
  • Detergent Compositions (AREA)

Abstract

La présente divulgation concerne un agent de blanchiment de type feuille. L'agent de blanchiment de type feuille de la présente divulgation comprend un acide organique et un sel d'acide organique conjointement avec un polymère soluble dans l'eau, et ainsi non seulement présente une excellente puissance de blanchiment, mais présente également une excellente stabilité de formulation et une excellente efficacité de séchage car la résistance à la traction de la feuille est formée de manière appropriée.
PCT/KR2023/017550 2023-06-13 2023-11-03 Agent de blanchiment de type feuille Ceased WO2024257963A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202380099334.6A CN121311571A (zh) 2023-06-13 2023-11-03 片状漂白剂

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20230075835 2023-06-13
KR10-2023-0075835 2023-06-13
KR10-2023-0135383 2023-10-11
KR1020230135383A KR20240175666A (ko) 2023-06-13 2023-10-11 시트형 표백제

Publications (1)

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WO2024257963A1 true WO2024257963A1 (fr) 2024-12-19

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PCT/KR2023/017550 Ceased WO2024257963A1 (fr) 2023-06-13 2023-11-03 Agent de blanchiment de type feuille

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CN (1) CN121311571A (fr)
WO (1) WO2024257963A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532063A (en) * 1983-08-15 1985-07-30 S. C. Johnson & Son, Inc. Dissolvable bleach sheet
US20060035801A1 (en) * 2003-02-10 2006-02-16 Josef Penninger Bleach-containing laundry detergents or cleaning compositions comprising water-soluble builder system and soil release-capable cellulose derivative
KR20100090122A (ko) * 2009-02-05 2010-08-13 주식회사 엘지생활건강 세탁용 시트
KR20140102458A (ko) * 2013-02-14 2014-08-22 주식회사 엘지생활건강 수용성 표백시트
EP3409754A1 (fr) * 2017-05-31 2018-12-05 Dalli-Werke GmbH & Co. KG Particules d'acide citrique enrobées dans des compositions de nettoyage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532063A (en) * 1983-08-15 1985-07-30 S. C. Johnson & Son, Inc. Dissolvable bleach sheet
US20060035801A1 (en) * 2003-02-10 2006-02-16 Josef Penninger Bleach-containing laundry detergents or cleaning compositions comprising water-soluble builder system and soil release-capable cellulose derivative
KR20100090122A (ko) * 2009-02-05 2010-08-13 주식회사 엘지생활건강 세탁용 시트
KR20140102458A (ko) * 2013-02-14 2014-08-22 주식회사 엘지생활건강 수용성 표백시트
EP3409754A1 (fr) * 2017-05-31 2018-12-05 Dalli-Werke GmbH & Co. KG Particules d'acide citrique enrobées dans des compositions de nettoyage

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