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
  • C11D3/16—Organic compounds
  • C11D3/37—Polymers
  • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
  • C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/08—Silicates
• • 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
  • C11D3/04—Water-soluble compounds
  • C11D3/10—Carbonates ; Bicarbonates
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2075—Carboxylic acids-salts thereof
  • C11D3/2086—Hydroxy carboxylic acids-salts thereof
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/26—Organic compounds containing nitrogen
  • C11D3/33—Amino carboxylic acids
• • 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
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/02—Inorganic compounds
  • C11D7/04—Water-soluble compounds
  • C11D7/10—Salts
  • C11D7/12—Carbonates bicarbonates
• • 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
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/02—Inorganic compounds
  • C11D7/04—Water-soluble compounds
  • C11D7/10—Salts
  • C11D7/14—Silicates
• • 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
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/22—Organic compounds
  • C11D7/26—Organic compounds containing oxygen
  • C11D7/265—Carboxylic acids or salts thereof
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
  • C11D7/22—Organic compounds
  • C11D7/32—Organic compounds containing nitrogen
  • C11D7/3245—Aminoacids

Definitions

• the present invention relates to a powder detergent composition for use in a washing machine for hard articles. More particularly, the present invention relates to a powder cleaning composition for an automatic cleaning machine used for cleaning hard articles such as kitchen utensils and plastic containers for food and beverage processing. Background art
• Automatic washing machines are used for washing dishes such as dirty dishes, glasses and cooking utensils in kitchens such as homes, restaurants, and coffee shops, as well as food containers used in food and beverage factories and plastic containers for products.
• Main target soils include food-derived proteins, starches, fats and oils, and these soils are combined and adhered to dishes, glasses, dishes such as cooking utensils, and plastic containers.
• these stains may be heat-denatured to become strong stains and be fixed.
• the washing process using an automatic washing machine is performed in the order of washing and rinsing.
• the time required for these processes is as short as 40 to 60 seconds for the washing process and 5 to 20 seconds for the rinsing process. It is.
• an alkaline agent such as an alkali metal hydroxide is blended in the powder cleaning composition for an automatic cleaning machine for the purpose of efficiently cleaning these strong stains in a short time.
• tap water, well water, etc. containing hardness components such as Ca and Mg ions are often used for cleaning.
• hardness components such as Ca and Mg ions
• a cleaning composition for an automatic dishwashing machine containing one or more alkali agents, a polymer substance having a metal ion scavenging ability, and a bleaching agent has been disclosed (for example, Japanese Patent Laid-open No. Hei. 8-199194).
• Japanese Unexamined Patent Application Publication No. 2002-12627 describes a water-soluble polymer and its cleaning application.
• Japanese Unexamined Patent Publication No. 2003-27095 describes a detergent containing sodium metasilicate, anhydrous sodium carbonate and a chelating agent.
• Japanese Patent 4038271B describes prevention of scale adhesion by polyacrylic acid, polyacrylate, polyacrylic acid copolymer and the like.
• Japanese Special Table 2009-500487 describes a detergent containing polyacrylate, carbonate, phosphate and the like. Summary of invention
• the present invention includes (a) polyacrylic acid or a salt thereof (hereinafter referred to as component (a)), (b) a copolymer of acrylic acid and maleic acid or a salt thereof (hereinafter referred to as component (b)), (c) carbonic acid.
• component (a) polyacrylic acid or a salt thereof
• component (b) a copolymer of acrylic acid and maleic acid or a salt thereof
• component (c) carbonic acid.
• One or more alkali agents selected from the group consisting of salts and silicates hereinafter referred to as component (c) 35% by weight or more
• an organic chelating agent comprising (a) and (b)
• the present invention relates to a powder cleaning composition for an automatic cleaning machine for hard articles, wherein the total amount is 6% by weight or more and (a) / (b) (weight ratio) is 1 or more.
• Japanese Patent Application Laid-Open No. 8-199194 is insufficient to achieve both high detergency and high scale adhesion inhibiting effect.
• the powder cleaning composition for an automatic cleaning machine for hard articles means a powder cleaning composition used for cleaning hard articles such as dishes, cooking utensils, and plastic containers with an automatic cleaning machine.
• the present invention has a high scale adhesion suppression effect and a high detergency in washing dishes such as dirty dishes, glasses, cooking utensils, etc. in kitchens, washing plastic containers for foods and products used in food and beverage factories, etc.
• a powder cleaning composition for an automatic cleaning machine for hard articles is provided.
• a powder cleaning composition for an automatic cleaning machine for hard articles having high detergency and high scale adhesion inhibiting effect.
• the powder cleaning composition for an automatic cleaning machine of the present invention contains polyacrylic acid or a salt thereof as the component (a).
• Polyacrylic acid or a salt thereof includes a homopolymer of acrylic acid or a salt thereof.
• Examples of the component (a) include polyacrylic acid, sodium polyacrylate, and potassium polyacrylate, and sodium polyacrylate and potassium polyacrylate are preferable.
• the component (a) of the present invention includes a monomer other than acrylic acid and a monomer copolymerizable with acrylic acid (excluding maleic acid) as long as the effect of the present invention is not hindered. It may be a copolymer.
• Examples of monomers other than acrylic acid that can be copolymerized with acrylic acid (excluding maleic acid) include vinyl monomers, acrylic monomers, styrene monomers, and more specifically methacrylic acid. , Methyl acrylate, ethyl acrylate, methyl methacrylate, styrene and the like.
• the molar ratio in the component (a) of a monomer other than acrylic acid that can be copolymerized with acrylic acid (excluding maleic acid) is the physical properties such as water solubility and the effect of the present invention as the component (a).
• the polyacrylic acid or a salt thereof of the present invention is a monomer other than acrylic acid among all the constituent monomers, and a monomer copolymerizable with acrylic acid (excluding maleic acid) is added in an amount of 0 to 5 mol%. It may be a polymer or copolymer containing in a range.
• the weight average molecular weight of the component (a) is preferably 1,000 to 20,000, more preferably 2,000 to 15,000, from the viewpoint of the effect of suppressing the adhesion of scale.
• This weight average molecular weight is a polyacrylic acid (for example, sigma) which is a commercially available polymer standard reagent having a molecular weight known by gel permeation chromatography using a mixed solvent of acetonitrile and water (phosphate buffer solution) as a developing solvent. Aldrich molecular weight standard reagent) was obtained as a standard substance.
• the powder cleaning composition for an automatic cleaning machine of the present invention contains a copolymer of acrylic acid and maleic acid or a salt thereof as the component (b).
• component (b) include acrylic acid and maleic acid copolymer, sodium salt of acrylic acid and maleic acid copolymer, potassium salt of acrylic acid and maleic acid copolymer, and sodium of acrylic acid and maleic acid copolymer. Salts, potassium salts of copolymers of acrylic acid and maleic acid are preferred.
• the component (b) preferably has an acrylic acid / maleic acid molar ratio of 0.25 to 4, more preferably 0.4 to 2.5, from the viewpoint of the effect of inhibiting the adhesion of scale.
• the component (b) of the present invention is a monomer other than acrylic acid and maleic acid and can be copolymerized with acrylic acid and / or maleic acid as long as the effects of the present invention are not hindered. It may be a copolymer.
• monomers other than acrylic acid and maleic acid that can be copolymerized with acrylic acid and / or maleic acid include vinyl monomers, acrylic monomers, styrene monomers, and more specifically methacrylic monomers. Examples include acid, methyl acrylate, ethyl acrylate, methyl methacrylate, and styrene.
• the molar ratio of the monomer other than acrylic acid and maleic acid that can be copolymerized with acrylic acid and / or maleic acid in the component (b) is such that the component (b) Although it is not limited as long as it does not affect the expression of the effect, it is preferably 0 to 5 mol%, more preferably 0 to 3 mol%, and most preferably 0 mol% in the component (b). Therefore, the copolymer of acrylic acid and maleic acid or a salt thereof according to the present invention is a monomer other than acrylic acid and maleic acid, which is a monomer copolymerizable with acrylic acid and / or maleic acid. It may be a copolymer containing in the range of ⁇ 5 mol%.
• maleic anhydride is used as the maleic acid in the copolymerization reaction when the component (a) is produced. Therefore, the above molar ratios may be based on maleic anhydride.
• the weight average molecular weight of the component (b) is preferably 1,000 to 100,000, more preferably 2,000 to 90,000, from the viewpoint of the scale adhesion inhibiting effect.
• This weight average molecular weight is a polyacrylic acid (for example, sigma) which is a commercially available polymer standard reagent having a molecular weight known by gel permeation chromatography using a mixed solvent of acetonitrile and water (phosphate buffer solution) as a developing solvent. Aldrich molecular weight standard reagent) was obtained as a standard substance.
• the powder cleaning composition for an automatic cleaning machine of the present invention contains one or more alkali agents selected from the group consisting of carbonates and silicates as the component (c).
• the component (c) include sodium orthosilicate, potassium orthosilicate, sodium metasilicate, potassium metasilicate, No. 1 sodium silicate, No. 1 potassium silicate, sodium carbonate, potassium carbonate, sodium hydrogen carbonate, potassium hydrogen carbonate and the like.
• Sodium carbonate, potassium carbonate, sodium metasilicate, and potassium metasilicate are preferable. From the viewpoints of detergency and storage stability, sodium carbonate and sodium metasilicate are preferable. From the viewpoint of the scale adhesion inhibiting effect, sodium metasilicate is preferable. preferable. Therefore, in this invention, it is preferable to contain a silicate as (c) component.
• the powder cleaning composition for an automatic cleaning machine of the present invention contains an organic chelating agent as the component (d) from the viewpoint of excellent scale suppression.
• (d1) aminocarboxylates such as tetrasodium ethylenediaminetetraacetate, trisodium methylglycine diacetate, tetrasodium L-glutamate diacetate, (d2) trisodium citrate, disodium malate, Examples thereof include hydroxycarboxylates such as sodium tartrate, and at least one selected from the group consisting of tetrasodium ethylenediaminetetraacetate, trisodium methylglycine diacetate, tetrasodium L-glutamate diacetate, and trisodium citrate is preferable. .
• the powder cleaning composition for an automatic cleaning machine of the present invention contains the components (a) to (d) described above, and can further contain other components.
• the content of the component (a) in the powder cleaning composition for an automatic cleaning machine of the present invention is preferably 5% by weight or more, more preferably 6% by weight or more from the viewpoint of the scale adhesion inhibiting effect.
• an upper limit is not specifically limited, From a viewpoint of an effect and cost, 40 weight% or less is preferable, 30 weight% or less is more preferable, and 15 weight% or less is more preferable. From the above viewpoint, 5 to 40% by weight is preferable, 6 to 30% by weight is more preferable, and 6 to 15% by weight is more preferable.
• the content of the component (b) in the powder cleaning composition for an automatic cleaning machine of the present invention is preferably 0.5 to 10% by weight, more preferably 1 to 5% by weight, from the viewpoint of the scale adhesion inhibiting effect.
• 0.5 weight% or more is preferable and 1 weight% or more is more preferable.
• an upper limit is not specifically limited, From a viewpoint of an effect and cost, 10 weight% or less is preferable and 5 weight% or less is more preferable. From the above viewpoint, 0.5 to 10% by weight is preferable, and 1 to 5% by weight is more preferable.
• the content of the component (c) in the powder cleaning composition for an automatic cleaning machine of the present invention is a component that imparts detergency, and is 35% by weight or more from the viewpoint of excellent detergency, and is detergency. From the viewpoint of the effect of inhibiting scale adhesion, it is preferably 40 to 90% by weight, more preferably 45 to 85% by weight, and still more preferably 40 to 55% by weight. Further, the proportion of the silicate in the component (c) is preferably 20% by weight or more, more preferably 25 to 100% by weight, and still more preferably 30 to 100% by weight, from the viewpoint of detergency and scale adhesion inhibiting effect.
• the content of the component (d) in the powder cleaning composition for an automatic cleaning machine of the present invention is preferably 1 to 50% by weight, more preferably 10 to 40% by weight, from the viewpoint of the scale adhesion inhibiting effect.
• the total amount of the component (a) and the component (b) in the powder cleaning composition for an automatic cleaning machine of the present invention is 6% by weight or more from the viewpoint of the effect of suppressing scale adhesion, and is 7 to 60 % By weight is preferred, 8 to 40% by weight is more preferred, and 8 to 20% by weight is even more preferred.
• the weight ratio of the component (a) and the component (b) in the powder cleaning composition for an automatic cleaning machine of the present invention is 1 or more in terms of (a) / (b) from the viewpoint of the scale adhesion inhibiting effect. 2 or more is preferable, and 3 or more is more preferable. Although an upper limit is not specifically limited, From a viewpoint of an effect and cost, 50 or less are preferable, 40 or less are more preferable, 30 or less are still more preferable, 15 or less are still more preferable. In view of the above, (a) / (b) is preferably 1 to 50, more preferably 2 to 40, still more preferably 3 to 30, and still more preferably 3 to 15.
• the powder cleaning composition for an automatic cleaning machine of the present invention includes, as necessary, mirabilite, surfactant, bleach, enzyme, antifoaming agent, preservative, Rusts, bactericides, antibacterial agents, pigments, fragrances, hydrotropes and the like can be blended.
• the powder cleaning composition for an automatic cleaning machine of the present invention is used for an automatic cleaning machine for hard articles.
• the hard article is an article mainly including a member having a hard surface, and includes an article having a size, shape, and material suitable for cleaning by an automatic washing machine.
• the soft member may be partially contained.
• Specific examples of the hard article include tableware, cooking utensils, and plastic containers.
• the automatic washing machine can use suitably the apparatus suitable for the automatic washing
• an automatic washing machine for hard articles of this invention an automatic dishwasher and a plastic container washing machine are mentioned, for example, It is preferable to apply to an automatic dishwasher.
• the powder cleaning composition for an automatic cleaning machine of the present invention can be a so-called phosphorus-free composition that does not contain a phosphorus-containing compound.
• the powder cleaning composition for an automatic cleaning machine of the present invention has a pH of 10 to 13, more preferably 11 to 12 at 25 ° C. in a 0.1 wt% aqueous solution from the viewpoint of cleaning properties and substrate damage properties. preferable.
• a powder cleaning composition for an automatic cleaning machine having the composition shown in Table 1 was prepared, and the scale adhesion inhibiting ability and cleaning performance were evaluated by the following methods. The results are shown in Table 1.
• SANYO DR53 automatic dishwasher
• the porcelain dish was taken out from the dedicated rack, colored with a 1% by weight aqueous solution of erythrosine dye, and the washability was evaluated by visual judgment according to the following criteria.
• ⁇ Criteria for cleaning performance> 5 No coloring marks were observed on any of the four porcelain dishes, and the stain was removed. 4; Slight coloring marks were observed on any of the four porcelain dishes, but most of the dirt was removed 3; All four porcelain dishes have slight coloring marks, but most of the dirt is removed 2; all four porcelain dishes have coloring marks and half of the dirt remains; 1; four porcelain dishes In all, coloring marks are observed, and most of the dirt remains.
• A-1 Sodium salt of polyacrylic acid [weight average molecular weight 4,000, Socaran PA25CL Granules (manufactured by BASF Japan Ltd.): raw material information from the product catalog of BASF Japan Ltd.]
• B-2 Acrylic acid / maleic acid copolymer salt (weight average molecular weight 5,000, Aquaric TL37 (manufactured by Nippon Shokubai Co., Ltd.): raw material information from the product catalog of Nippon Shokubai Co., Ltd.)
• Nonionic surfactant propylene oxide / ethylene oxide / propylene oxide / block polymer [weight average molecular weight 3,100, propylene oxide /

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• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
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• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Emergency Medicine (AREA)
• Detergent Compositions (AREA)

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• 2010
  • 2010-12-17 JP JP2010281229A patent/JP5770465B2/ja active Active
  • 2010-12-22 WO PCT/JP2010/073073 patent/WO2011078200A1/ja not_active Ceased
  • 2010-12-22 TW TW99145336A patent/TWI470077B/zh not_active IP Right Cessation

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