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
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/02—Anionic compounds
  • C11D1/04—Carboxylic acids or salts thereof
  • C11D1/10—Amino carboxylic acids; Imino carboxylic acids; Fatty acid condensates 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
  • C11D3/38—Products with no well-defined composition, e.g. natural products
  • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
• • 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
  • C11D3/38—Products with no well-defined composition, e.g. natural products
  • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
  • C11D3/38636—Preparations containing enzymes, e.g. protease or amylase containing enzymes other than protease, amylase, lipase, cellulase, oxidase or reductase
• • 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
  • C11D3/38—Products with no well-defined composition, e.g. natural products
  • C11D3/386—Preparations containing enzymes, e.g. protease or amylase
  • C11D3/38645—Preparations containing enzymes, e.g. protease or amylase containing cellulase
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
  • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
  • D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
  • D06L1/14—De-sizing

Definitions

• the present invention relates to a cleaning composition and a cleaning method containing at least one enzyme selected from amylase, cellulase, and pectinase and a specific anionic surfactant that does not inhibit the activity of the enzyme.
• detergent components such as surfactants, bleaches and enzymes are blended in the detergent composition.
• enzymes include amylase, cellulase, protease, lipase and the like.
• amylase is blended in detergents for clothes and dishes to improve the removal of starch-based stains on objects to be cleaned such as clothes and dishes.
• it has been used in the textile industry for a long time because of its excellent ability to remove starch-based dirt.
• cellulose fibers For fiber washing, especially cellulose fibers, there are fiber-derived resins and waxes among natural fibers.
• pastes such as acrylate resins, polyvinyl alcohols, starches, and waxes are used.
• the agent component is present as a contaminant. Therefore, a scouring process (including a desizing process, a fiber-derived resin, and a process for removing impurities such as wax) is performed to remove them.
• Cellulosic fiber scouring treatment includes enzyme scouring treatment using ⁇ -amylase, which is excellent in removing starch-based paste components, or oxidative scouring treatment using an alkali.
• an alkali is used in combination, which is not preferable from the viewpoint of the working environment, and also requires neutralization of the waste water.
• the enzyme scouring treatment is preferable to the oxidative scouring treatment using alkali.
• ⁇ -amylase conventionally used for enzyme scouring treatment can remove starch-based paste components, other components such as fiber-derived wax and wax components cannot be sufficiently scoured.
• a surfactant having excellent penetrability and wettability but as disclosed in Patent Document 1, an anion having excellent penetrability and wettability. Since the surfactant inhibits the enzyme activity, it is recommended to use a nonionic surfactant in combination because it does not inhibit the enzyme activity.
• a scouring agent excellent in scouring properties including an enzyme such as amylase and an anionic surfactant that has excellent permeability and wettability and does not inhibit the activity of the enzyme.
• An object of the present invention includes at least one enzyme selected from amylase, cellulase, and pectinase, and an anionic surfactant that is excellent in permeability and wettability and does not inhibit the activity of the enzyme. It is to provide a cleaning composition and a cleaning method excellent in wettability and cleanability.
• a specific anionic surfactant is excellent in permeability and wettability and does not inhibit the activity of the enzyme, from amylase, cellulase and pectinase. It has been found that a cleaning composition comprising at least one selected enzyme and this anionic surfactant in combination has excellent working environment and cleaning properties.
• the present invention relates to an anionic surfactant obtained by anionizing at least one enzyme (A) selected from amylase, cellulase and pectinase and a (poly) alkylene oxide adduct of an aliphatic amine having 8 to 18 carbon atoms ( B) and a cleaning composition.
• A anionic surfactant obtained by anionizing at least one enzyme selected from amylase, cellulase and pectinase and a (poly) alkylene oxide adduct of an aliphatic amine having 8 to 18 carbon atoms ( B) and a cleaning composition.
• the anionic surfactant (B) is preferably a compound represented by the following general formula (1).
• RN [(AO) m (CH 2) p COOM] [(AO) n X] (1)
• R represents an aliphatic hydrocarbon group having 8 to 18 carbon atoms.
• AO represents at least one alkylene oxide group selected from an ethylene oxide group (EO) and a propylene oxide group (PO).
• X represents a (CH 2 ) p COOM group or a hydrogen atom
• M represents a hydrogen atom or an alkaline group
• m and n represents an integer of 1 to 50
• p represents an integer of 1 to 3.
• R is an aliphatic hydrocarbon group having 10 to 16 carbon atoms
• AO is an ethylene oxide group (EO)
• m and n are 2 to 10 It is preferable that
• the weight ratio (A / B) between the enzyme (A) and the anionic surfactant (B) is 5/95 to 99/1, and the enzyme (A) and the anion occupy the entire nonvolatile content of the cleaning composition.
• the total weight ratio of the surfactant (B) is preferably 10 to 100% by weight.
• the cleaning composition of the present invention further includes a nonionic surfactant (C), and the weight ratio of the nonionic surfactant (C) to the entire nonvolatile content of the cleaning composition is 1 to 90 wt%.
• the total weight ratio of the enzyme (A) and the anionic surfactant (B) is preferably 10 to 99% by weight.
• the cleaning composition of the present invention is preferably for fiber scouring.
• the cleaning method of the present invention includes a step of cleaning an object to be cleaned using the cleaning composition.
• cleaned material is a fiber
• the said process is a process of scouring a fiber using the cleaning composition for fiber scouring.
• the fiber refined by the cleaning method of the present invention is also included in the present invention.
• the cleaning method of the present invention comprises an anionic surface activity obtained by anionizing at least one enzyme (A) selected from amylase, cellulase and pectinase and a (poly) alkylene oxide adduct of an aliphatic amine having 8 to 18 carbon atoms. It also includes a step of cleaning the object to be cleaned using the agent (B). That is, the object to be cleaned may be cleaned using the enzyme (A) and the anionic surfactant (B) simultaneously, or the object to be cleaned may be cleaned separately.
• the anionic surfactant (B) used is preferably a compound represented by the above general formula (1).
• the said to-be-cleaned object is a fiber
• the said process is a process of refine
• the fiber scoured by this washing method is also included in the present invention.
• the present invention relates to an anionic surfactant (B) obtained by anionizing at least one enzyme (A) selected from amylase, cellulase and pectinase and a (poly) alkylene oxide adduct of an aliphatic amine having 8 to 18 carbon atoms.
• a cleaning composition comprising: This will be described in detail below.
• the detergent composition of the present invention essentially contains at least one enzyme (A) selected from amylase, cellulase and pectinase. Therefore, one type of enzyme may be used, or two or more types of enzymes may be used in combination.
• Amylase improves the removability of starch-based stains or starch-based paste components of articles to be cleaned such as clothing and tableware.
• Cellulase improves the removability of dirt between clothes containing cellulose or dirt on cellulosic fibers.
• Pectinase improves the removal of stains such as stains on fruit juice or stains on cellulosic fibers on objects to be washed such as clothing and tableware.
• the removability of each soil component is improved, and the soil component and / or the starch-based paste component can be more efficiently removed by using two or more kinds of enzymes in combination.
• a cleaning composition for scouring fibers it is preferable to essentially contain amylase in order to remove the starch-based paste component.
• the concentration of the enzyme (A) in the cleaning composition is not particularly limited as long as it can be suitably cleaned and scoured according to the type and state of the laundry, tableware or fiber to be treated.
• the concentration of the enzyme (A) in the cleaning composition is preferably 1 to 2000 units / ml, more preferably 10 to 1000 units / ml, and even more preferably 20 to 500 units / ml.
• amylase any conventionally known enzyme may be used, and examples thereof include ⁇ -amylase, ⁇ -amylase, ⁇ -amylase and the like. Any of them is preferably used, but it is particularly preferable to use ⁇ -amylase.
• the concentration of amylase in the detergent composition is not particularly limited as long as it can be suitably washed and scoured according to the type and state of the laundry, tableware or fiber to be treated.
• the concentration of amylase in the scouring agent is preferably 1 to 2000 units / ml, more preferably 10 to 1000 units / ml, and even more preferably 20 to 500 units / ml.
• the concentration of cellulase in the detergent composition is not particularly limited as long as it can be suitably scoured according to the type and state of the laundry, tableware, or fiber to be treated.
• the concentration of cellulase in the scouring agent is preferably 1 to 2000 units / ml, more preferably 10 to 1000 units / ml, and even more preferably 20 to 500 units / ml. .
• pectinase any conventionally known enzyme may be used, and examples thereof include pectin methylesterase, pectin depolymerase, and protopectinase. Any of them is preferably used, but protopectinase is particularly preferably used.
• the concentration of pectinase in the cleaning composition is not particularly limited as long as it can be suitably scoured according to the type and state of the laundry, tableware, or fiber to be treated.
• the concentration of protopectinase in the scouring agent is preferably 1 to 2000 units / ml, more preferably 10 to 1000 units / ml. 20 to 500 units / ml are more preferable.
• the detergent composition of the present invention essentially contains an anionic surfactant (B) obtained by anionizing a (poly) alkylene oxide adduct of an aliphatic amine having 8 to 18 carbon atoms in addition to the enzyme (A) described above. To do.
• an anionic surfactant (B) has excellent penetrability and wettability and does not inhibit the activity of the enzyme.
• the cleaning composition of the present invention has an anionic surfactant (B) as an enzyme (A). Since it is used in combination, it is excellent in work environment, permeability, wettability and cleanability.
• an anionic surfactant (B) does not deactivate or inhibit the enzyme activity even when mixed with the enzyme for a long period of time, and is excellent in stability over time of the detergent composition.
• the anionic surfactant (B) when the aliphatic amine has less than 8 carbon atoms, sufficient oil agent removability and anti-redeposition effect cannot be obtained.
• the aliphatic amine has more than 18 carbon atoms, sufficient permeability cannot be obtained, so that a sufficient cleaning effect cannot be obtained.
• the (poly) alkylene oxide adduct of an aliphatic amine having 8 to 18 carbon atoms herein refers to an ethylene oxide group (EO) or propylene oxide group (PO) to a primary amine or secondary amine having 8 to 18 carbon atoms.
• EO ethylene oxide group
• PO propylene oxide group
• B butylene oxide
• the anionization here refers to introducing an anionic group such as a carboxyl group, a phosphoric acid group, a sulfonic acid group, or a sulfuric ester group into the molecule by a chemical reaction such as an addition reaction, a substitution reaction, or a condensation reaction. .
• an amino ether carboxylic acid type anionic surfactant having a carboxyl group introduced into the molecule of the (poly) alkylene oxide adduct or a phosphate group introduced into the molecule of the (poly) alkylene oxide adduct.
• Amino ether phosphate type anionic surfactants are preferred, and amino ether carboxylic acid type anionic surfactants are particularly preferred.
• the anionic surfactant (B) used in the present invention is preferably a compound represented by the above general formula (1).
• R represents an aliphatic hydrocarbon group having 8 to 18 carbon atoms.
• the aliphatic hydrocarbon group may be saturated or unsaturated, and may be linear or branched. In terms of excellent penetrability and biodegradability, the aliphatic hydrocarbon group preferably has a branched structure.
• the number of carbon atoms of the aliphatic hydrocarbon group is preferably 8 to 16, more preferably 10 to 16, and further preferably 10 to 14.
• Examples of the aliphatic hydrocarbon group include n-octyl, 2-ethylhexyl, n-nonyl, n-decyl, isodecyl, n-undecyl, n-dodecyl, isododecyl, tridecyl, isotridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, Octadecyl and the like can be mentioned, and among these, a branched structure is preferable in terms of excellent penetrability and biodegradability, and isodecyl and isotridecyl are more preferable.
• AO represents at least one alkylene oxide group selected from an ethylene oxide group (EO) and a propylene oxide group (PO).
• EO ethylene oxide group
• PO propylene oxide group
• AO may be composed of EO or PO alone, and may be composed of a block adduct, an alternating adduct, or a random adduct of EO and PO.
• EO ethylene oxide group
• X represents a (CH 2 ) p COOM group or a hydrogen atom.
• X is preferably a (CH 2 ) p COOM group in terms of excellent permeability.
• M represented by the general formula (1) and X represents a hydrogen atom or an alkaline group.
• the alkaline group include alkali metals such as Li, Na, and K, alkaline earth metals such as Ca and Mg, ammonium salts, amine salts, and quaternary ammonium salts.
• the quaternary ammonium salt include alkyltrimethylammonium chloride salt and dialkyldimethylammonium chloride salt. Further included are mixtures of any of the above materials.
• M is preferably an alkali metal, more preferably Na or K.
• n and n each independently represents an integer of 1 to 50. Among them, m and n are preferably 1 to 20, more preferably 2 to 10, and further preferably 3 to 7. In the general formula (1), p represents an integer of 1 to 3, and 2 is preferable.
• the weight ratio (A / B) of the enzyme (A) and the anionic surfactant (B) used in the present invention is preferably 5/95 to 99/1.
• the weight ratio (A / B) is more preferably 20/80 to 90/10, further preferably 30/70 to 80/20, and particularly preferably 40/60 to 70/30.
• the method for producing the anionic surfactant (B) used in the present invention a known method can be employed. For example, an addition reaction between an ethylene oxide adduct of an aliphatic amine having 8 to 18 carbon atoms, which is a nonionic surfactant, and an acrylate, or ether carboxy (salt) formation by a reaction with monochloroacetic acid.
• the cleaning composition of the present invention preferably further contains a nonionic surfactant (C) from the viewpoint of preventing re-deposition of the removed soil component, particularly the oil component.
• the nonionic surfactant (C) may be a known nonionic surfactant used in detergents for clothes, dishwashing detergents, scouring agents, etc., for example, polyoxyethylene hexyl ether, polyoxyethylene octyl ether, poly Polyoxyalkylene linear alkyl ethers such as oxyethylene decyl ether, polyoxyethylene lauryl ether, polyoxyethylene polyoxypropylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene stearyl ether, polyoxyethylene polyoxypropylene oleyl ether; Polyoxyalkylene branched primary alkyl ethers such as polyoxyethylene 2-ethylhexyl ether, polyoxyethylene isocetyl ether, polyoxyethylene isostearyl ether
• the nonionic surfactant (C) may be used alone or in combination of two or more.
• these nonionic surfactants polyoxyalkylene alkyl ethers, fatty acid polyalkylene glycols, fatty acid alkanolamides and the like are preferable because they improve the permeability and wettability to the object to be cleaned and prevent reattachment of the removed oil agent.
• the nonionic surfactant (C) is preferably a nonionic surfactant having an HLB of 8 to 18 by the Griffin method in order to prevent the redeposition of the soil components, and since a cleaning effect is also obtained, the HLB is 12 to 15 More preferred are nonionic surfactants.
• the cleaning composition of the present invention may contain other components within a range that does not inhibit the effects of the present invention, particularly within a range that does not inhibit the enzyme activity.
• Other components include general desizing agents, scouring agents, pH buffering agents used in cleaning agents; chelating agents; polyoxyalkylene ethers, silicone oils, mineral oils, natural fatty acid salts (coconut oil fatty acid potassium salt) Etc.); an enzyme stabilizer, an enzyme activator and the like.
• the detergent composition of the present invention comprises an enzyme (A) and an anionic surfactant (B), and if necessary, a nonionic surfactant (C) as a solvent such as water, alcohols or polyethylene glycol. It is dissolved in In consideration of safety, cost, and environmental impact, it is preferable to use water as the main solvent.
• the water used in the present invention may be any of pure water, distilled water, purified water, soft water, ion exchange water, tap water and the like.
• the polyethylene glycol used here preferably has a molecular weight of 600 or less, which is liquid at room temperature, from the viewpoint of workability, and the molecular weight is more preferably 200 to 600, and even more preferably 200 to 400.
• the detergent composition of the present invention comprises an enzyme (A), an anionic surfactant (B), and if necessary, a nonionic surfactant (C) mixed with polyethylene glycol having a molecular weight of more than 600 in a powder form. It is good.
• the molecular weight of polyethylene glycol is preferably 1000 to 20000, more preferably 1000 to 10000, still more preferably 2000 to 8000, and particularly preferably 4000 to 6000.
• the weight ratio of caustic soda in the entire nonvolatile content of the cleaning composition is preferably 1% by weight or less, more preferably 0.1% by weight or less, and still more preferably 0.01% by weight or less.
• the detergent composition of the present invention preferably contains substantially no anionic surfactant, heavy metal (ion) and other enzyme inhibitors that inhibit enzyme activity. Specifically, it is preferably 1% by weight or less, more preferably 0.1% by weight or less, and still more preferably 0.01% by weight or less with respect to the enzyme (A).
• Anionic surfactants that inhibit enzyme activity include aliphatic monocarboxylate polyoxyalkylene decyl ether acetate, alkane sulfonate, alkylbenzene sulfonate, alkyl sulfate polyoxyalkylene alkyl ether sulfate, oil and fat Examples thereof include a sulfate ester salt, an alkyl phosphate, a polyoxyalkylene alkyl ether phosphate, and a polyoxyalkylene alkyl phenyl ether phosphate.
• heavy metal ions that inhibit enzyme activity include Hg 2+ , Cu 2+ , Fe 2+ , and Al 3+ .
• enzyme inhibitors that inhibit enzyme activity include vanillin and tannic acid.
• the enzyme (A) and the anionic surfactant (B) are preferably contained in the weight ratio (A / B) described above.
• the total weight ratio of the enzyme (A) and the anionic surfactant (B) in the entire nonvolatile content of the cleaning composition is preferably 10 to 100% by weight, more preferably 10 to 99% by weight, and 25 to 99% by weight. % Is more preferable, 50 to 95% by weight is particularly preferable, and 75 to 90% by weight is most preferable.
• the non-volatile content also referred to as solid content means that a certain amount of the sample is spread flat on an aluminum sheet and dried at 110 ° C. under irradiation with an infrared lamp, and the fluctuation range of volatile content for 150 seconds is 0.15% by weight. This is the remainder when the end point of the measurement is taken.
• the weight ratio of the nonionic surfactant (C) to the whole nonvolatile content of the cleaning composition is 1 to 90% by weight. It is preferably 1 to 85% by weight, more preferably 1 to 75% by weight, particularly preferably 5 to 50% by weight, and most preferably 10 to 25% by weight.
• non-volatile content of the cleaning composition of the present invention is preferably 0.1 to 20 g / L, more preferably 0.5 to 15 g / L, and further preferably 1 to 10 g / L.
• the cleaning composition of the present invention includes a cleaning composition for washing clothes including household use and industrial use; a cleaning composition for cleaning including household use and industrial use; a cleaning composition for dishware;
• a cleaning composition for dishware examples thereof include a fiber scouring detergent (also referred to as a scouring agent) composition, which includes a treatment, a fiber-derived resin, and a process for removing impurities such as wax.
• a detergent composition for scouring fibers is particularly suitable.
• fiber scouring it is particularly preferred to be used for fiber desizing.
• the method for preparing the cleaning composition of the present invention is not particularly limited, and the mixing order of the enzyme (A), the anionic surfactant (B), the nonionic surfactant (C), water, and the solvent is as long as it can be mixed uniformly.
• the addition method a known method can be adopted.
• the cleaning method of the present invention includes a step of cleaning an object to be cleaned using the above-described cleaning composition.
• cleaning method of this invention includes the process of wash
• the enzyme (A) and the anionic surfactant (B) Even if it wash
• the cleaning method of the present invention it is preferable to clean the article to be cleaned using the enzyme (A) and the anionic surfactant (B) simultaneously.
• Examples of the objects to be cleaned include clothes, tableware, and fibers used in the manufacturing process of textile products, which are objects to be washed and cleaned.
• natural fibers such as cotton, hemp, and wool are adhered to impurities such as fiber-derived resin and wax.
• Adhesive components such as sizing oil and glue used during weaving are attached to compound fibers such as polyester, nylon, rayon, and triacetate, blended and woven fibers of these, and blended and woven fibers of these and natural fibers. is doing. If impurities and / or paste components adhering to the fibers are not sufficiently removed in the scouring step, troubles will occur in the subsequent processing steps such as bleaching, dyeing and softening.
• the fiber used in the textile manufacturing process refers to a woven fabric to which the contaminant and / or the paste component is attached, which is used in the scouring process to remove the contaminant and / or the paste component. .
• fabrics to which the paste component is adhered, cotton, hemp, cotton, or a mixed spun fiber of hemp and other fibers in which fiber-derived resin or wax is present are particularly suitable.
• Paste components adhering to the above fibers include polyvinyl alcohol, starch (such as corn starch and wheat starch), processed starch, carboxymethyl cellulose and its derivatives, acrylate resins, wax components (paraffin, hydrogenated oil, carnauba) Wax, etc.).
• the resin derived from the fibers adhering to the fibers include pectin and the like, and examples of the wax include cotton wax.
• examples of the cleaning method include the following. Regardless of hand washing or machine use, an object to be cleaned such as clothing is immersed or impregnated in an aqueous solution (cleaning liquid) containing a cleaning composition according to the degree of dirt. It may be soaked, or it may be physically promoted to remove dirt effectively, such as rubbing and tapping.
• the cleaning temperature may be room temperature, but in cleaning, a high temperature is preferable for efficiently removing dirt, and 40 ° C. or higher is more preferable.
• the pH of the washing solution is preferably 4 to 10, more preferably 5 to 9. After washing, wash with water or hot water to remove the cleaning solution along with dirt.
• the non-volatile content concentration in the cleaning liquid may be suitably selected depending on the type and state of the fiber to be processed, and is not particularly limited.
• the concentration of nonvolatile components in the washing liquid is preferably 0.1 to 20 g / L, more preferably 0.5 to 15 g / L, and further preferably 1 to 10 g / L.
• examples of the washing method include the following.
• a cleaning method for cleaning tableware or the like using an automatic dishwasher a normal method can be employed using an aqueous solution (cleaning solution) containing the cleaning composition of the present invention. It may be pickled in advance.
• a high temperature is preferable, 40 ° C or higher is more preferable, and 60 ° C or higher is particularly preferable.
• the pH of the washing solution is preferably 4 to 10, and more preferably 5 to 9.
• the non-volatile content concentration in the cleaning liquid may be suitably selected depending on the type and state of the tableware to be processed, and is not particularly limited.
• the concentration of the nonvolatile content in the cleaning agent is preferably from 0.1 to 20 g / L, more preferably from 0.5 to 15 g / L, and even more preferably from 1 to 10 g / L.
• an object to be cleaned such as tableware is impregnated directly or moderately diluted with an aqueous solution (cleaning solution) containing a cleaning composition on a sponge, brush, cloth, etc., and adhered to the tableware. What is necessary is just to remove the dirt. It may be pickled in advance.
• the concentration of the nonvolatile content in the cleaning liquid is preferably 0.1 to 20 g / L, more preferably 0.5 to 15 g / L, and further preferably 1 to 10 g / L.
• the cleaning method including the scouring process includes the following.
• the scouring process includes a desizing process and / or a process for removing impurities such as fiber-derived resin and wax.
• the scouring process may be performed by using a scouring machine, and may be either a normal batch system or a continuous system.
• a scouring agent (scouring agent) is applied to a woven fabric in which a paste component and / or a fiber-derived resin, a wax or other contaminants (hereinafter referred to as a paste component, etc.) adheres to the treatment bath.
• the continuous scouring machine mainly comprises a processing tank (a processing tank called mainly a saturator in the continuous system), a steamer box having squeezing rollers and multistage rolls, a hot water wash and / or a water wash tank.
• a processing tank mainly a saturator in the continuous system
• a steamer box having squeezing rollers and multistage rolls
• a hot water wash and / or a water wash tank mainly comprises a processing tank (a processing tank called mainly a saturator in the continuous system), a steamer box having squeezing rollers and multistage rolls, a hot water wash and / or a water wash tank.
• the continuous scouring treatment is performed by filling a saturator tank with a cleaning solution, immersing a woven fabric having a paste component or the like attached thereto, and sequentially passing through a roller and a steamer box.
• the paste component and the like are removed together with the cleaning liquid.
• the temperature of the scouring treatment is 20 to 140 ° C. depending on the type of fiber. In order to efficiently remove dirt, a high temperature is preferable, and 50 to 110 ° C. is preferable. In the batch method, 80 ° C. or higher is preferable. In a continuous steamer box, 90 ° C. or higher is preferable, and 95 ° C. or higher is more preferable.
• the time for the scouring treatment depends on the kind of the glue component and the like attached and the amount of the scouring treatment, but is preferably 5 minutes or more, more preferably 10 minutes or more, and further preferably 20 minutes or more in a batch type scouring treatment machine.
• the steaming time is preferably 1 minute or longer, more preferably 3 minutes or longer, and even more preferably 10 minutes or longer. If it exceeds 60 minutes, it cannot be said that workability is good, and it is preferable to perform hot water washing and / or water washing at the stage where the paste component and the like are removed.
• the concentration of the nonvolatile content in the cleaning liquid is preferably 0.1 to 20 g / L, more preferably 0.5 to 15 g / L, and further preferably 1 to 10 g / L.
• the pH of the washing solution is preferably 4 to 10, and more preferably 5 to 9.
• the scoured fiber is then subjected to normal processing such as bleaching, dyeing, and softening treatment as necessary to obtain a fiber product.
• anionic surfactants (B2 to B10) In the preparation of the anionic surfactant (B1), the same procedure was followed except that the amino ether polyoxyethylene (7 mol) isodecyl ether (b1) was changed to the following (b2) to (b10) respectively.
• Anionic surfactants (B2 to B10) which are carboxylic acid type anionic surfactants were obtained.
• anionic surfactant (B11) In a reaction vessel having a capacity of 1 liter equipped with a thermometer, a reflux condenser, and a stirrer, 500 g of amino ether polyoxyethylene (7 mol) isodecyl ether (b1) was heated with stirring, and 100 g of phosphoric anhydride was gradually added. Prepared. After reacting at 90 ° C. for 2 hours, 40 g of sodium hydroxide and 300 g of soft water were added, followed by further reaction at 90 ° C. for 2 hours, neutralization with hydrochloric acid, desalting, and a pale yellow transparent amino ether phosphate type anionic surface activity An anionic surfactant (B11) as an agent was obtained.
• Example 1 A cleaning composition comprising an aqueous solution containing 0.1% by weight of ⁇ -amylase (A1) (Wako Pure Chemical Industries) and 0.1% by weight of an anionic surfactant (B1) was prepared. % Starch aqueous solution was mixed at a ratio of 1: 1 to obtain a mixed solution containing 0.05% by weight of ⁇ -amylase (A1) and anionic surfactant (B1) and 1% by weight of starch, respectively. When 0.02 N iodine solution was immediately added to this mixed solution so that it might become 0.02 weight%, it confirmed that it exhibited blue.
• A1 ⁇ -amylase
• B1 anionic surfactant
• Example 1 Comparative Examples 1 to 6, Reference Example 1
• the cleaning composition of Example 1 the same treatment as in Example 1 was performed except that the anionic surfactant (B1) was changed to the surfactants shown in Table 1 and their weight percentages, respectively, and Examples 2 to 12 Comparative Examples 1 to 6 and Reference Example 1 (no anionic surfactant) were used.
• the results are shown in Table 1. It should be noted that the enzyme activities of the detergent compositions (over time) of Comparative Examples 1 to 6 were not evaluated.
• the nonionic surfactant (C1) in Tables 1 to 3 represents polyoxyethylene (15 mol) stearyl ether.
• the anionic surfactants (B1 to B11) of the examples do not inhibit the enzyme activity of ⁇ -amylase. It can also be seen that the anionic surfactants (B1 to B11) of the examples do not inactivate or inhibit the enzyme activity of ⁇ -amylase even when mixed with ⁇ -amylase for a long time. Further, the pH (20 ° C.) of the cleaning compositions of Examples 1 to 12 was measured and found to be in the range of 6.0 to 6.5. This shows that the cleaning composition of the present invention is excellent in work environment.
• a cleaning composition comprising an aqueous solution containing 0.1% by weight of cellulase (A2) (Wako Pure Chemical Industries) and 0.1% by weight of an anionic surfactant (B1) was prepared.
• the methylcellulose solution was mixed at a ratio of 1: 1 to obtain a mixed solution containing 0.05% by weight of cellulase (A2) and anionic surfactant (B1) and 1% by weight of carboxymethylcellulose, respectively.
• A2 cellulase
• anionic surfactant (B1) 1% by weight of carboxymethylcellulose
• Example 14 to 24, Comparative Examples 7 to 12, Reference Example 2 In the cleaning composition of Example 13, the same treatment as in Example 13 was performed except that the anionic surfactant (B1) was changed to the surfactants shown in Table 2 and their weight percentages, respectively, and Examples 14 to 24 Comparative Examples 7 to 12 and Reference Example 2 (no anionic surfactant) were used. The results are shown in Table 2. It should be noted that the enzyme activity of the detergent compositions (time course) of Comparative Examples 7 to 12 was not evaluated.
• the anionic surfactants (B1 to B11) of the examples do not inhibit the enzyme activity of cellulase. It can also be seen that the anionic surfactants (B1 to B11) of the examples do not deactivate or inhibit the enzyme activity of cellulase even when mixed with cellulase for a long time. Further, when the pH (20 ° C.) of the cleaning compositions of Examples 13 to 24 was measured, it was in the range of 6.0 to 6.5. This shows that the cleaning composition of the present invention is excellent in work environment.
• Example 25 100 g of a detergent composition, which is an aqueous solution containing 0.1% by weight of pectinase (A3) (Wako Pure Chemical Industries) and 0.1% by weight of an anionic surfactant (B1), was prepared, and the detergent composition, warp and weft 100 g of an aqueous solution containing 10 g of cotton cloth using 20 counts of cotton yarn was mixed to obtain 200 g of a mixed solution containing 0.05% by weight of pectinase (A3) and anionic surfactant (B1) and 10 g of cotton cloth, respectively. The mixture was allowed to stand at 40 ° C. for 10 minutes, and then the cotton cloth was taken out, washed thoroughly with water, and dried at 90 ° C.
• A3 pectinase
• B1 anionic surfactant
• the enzyme activity was evaluated by the pectin removal rate and measured as follows.
• the untreated cotton cloth and the resulting scoured treated cloth were immersed in a solution containing 0.5% by weight caustic soda and 0.1% by weight of polyoxyethylene (15 mol) stearyl ether so as to have a bath ratio of 1:20 and boiled.
• the pectin remaining on the fiber was decomposed into galacturonic acid by the above, and the extracted galacturonic acid was quantified by absorbance at 235 nm. The results are shown in Table 3.
• Pectin removal rate (%) (galacturonic acid of untreated cotton cloth ⁇ galacturonic acid of scoured cloth) ⁇ galacturonic acid of untreated cotton cloth ⁇ 100 [Enzyme activity of detergent composition (after time)]
• the enzyme activity of the cleaning composition after aging was confirmed in the same manner as in the above evaluation except that the cleaning composition was changed to the next cleaning composition (after aging).
• the results are shown in Table 1 as “pectin removal rate (after time)”.
• Example 26 to 36 Comparative Examples 13 to 18, Reference Example 3
• the same treatment as in Example 25 was performed except that the anionic surfactant (B1) was changed to the surfactants shown in Table 3 and their weight percentages, respectively, and Examples 26 to 36 were performed.
• Comparative Examples 13 to 18 and Reference Example 3 no anionic surfactant were used. The results are shown in Table 3. It should be noted that the enzyme activities of the detergent compositions (timed) of Comparative Examples 13 to 18 were not evaluated.
• the anionic surfactants (B1 to B11) of Examples do not inhibit the enzyme activity of pectinase. It can also be seen that the anionic surfactants (B1 to B11) of the examples do not inactivate or inhibit the enzyme activity of pectinase even when mixed with pectinase for a long time. Further, when the pH (20 ° C.) of the cleaning compositions of Examples 25 to 36 was measured, it was in the range of 6.0 to 6.5. This shows that the cleaning composition of the present invention is excellent in work environment.
• Example 37 A plain weave of cotton / polyester blended yarn (65/35% by weight) (70 warps / cotton / polyester blended yarn, 70 weft yarn / 55 cotton / polyester blended yarn / inch) was used as a test fabric.
• This test cloth had an oil component adhesion rate of 1.06% by weight composed of a wax component and cotton wax, and an adhesion rate of a paste component composed of polyvinyl alcohol, starch, and an acrylate ester resin was 11.50% by weight.
• the cleaning method (scouring method) was performed as follows.
• a cleaning agent (scouring agent) composition which is an aqueous solution containing 0.5% by weight of ⁇ -amylase (A1) and 0.5% by weight of an anionic surfactant (B1) is prepared and attached to the following scouring apparatus. Placed in staining pot. Next, 10 g of the test cloth was put in a dyeing pot and subjected to scouring treatment at 80 ° C. for 5 minutes under the following scouring treatment conditions. The scoured fabric was sufficiently washed with water and dried in a dryer at 90 ° C. for 60 minutes. The re-wetability, residual fat ratio and residual paste ratio of the scoured treated cloth after drying were measured. The results are shown in Table 4.
• ⁇ Scouring conditions> Testing machine A rotating pot dyeing tester (12EL type) manufactured by Tecsum Giken Co., Ltd. was used. Fabric amount: 10g Treatment concentration: detergent composition containing 0.5% by weight of ⁇ -amylase (A1) and 0.5% by weight of anionic surfactant (B1) Treatment bath: 99% by weight of tap water as a solvent Scouring temperature ⁇ scouring time : 80 ° C x 5 minutes bath Ratio: 1:15 Washing with water: 60 seconds Drying: 90 ° C x 60 minutes Number of rotations of dyeing pot: 50 rpm
• ⁇ Residual fat percentage> The scoured cloth was extracted with a Soxhlet extractor using hexane, and the residual fat ratio was measured. Under these conditions, the residual fat ratio is desirably 0.25% or less.
• ⁇ Residual paste ratio> After measuring the residual fat ratio, the scoured cloth is washed with boiling water for 1 hour in a solution containing 1.5% by weight of sodium hydroxide, 0.1% by weight of polyethylene ethylene (10 mol) lauryl ether and 0.1% by weight of sodium dodecyl sulfate. Thereafter, the residual paste ratio was measured from the change in weight. Under this condition, it is desirable that the residual paste rate is 3% or less.
• Example 38 to 58, Comparative Examples 19 to 25 were evaluated in the same manner as in Example 37, except that the cleaning composition of Example 37 was changed to the cleaning compositions shown in Tables 4 to 6. The results are shown in Tables 4-6.
• the nonionic surfactants (C1 to C4) in Tables 4 to 6 are as follows.
• Nonionic surfactant (C1) Polyoxyethylene (15 mol) stearyl ether
• Nonionic surfactant (C2) Polyoxyethylene (10 mol) stearyl ether
• the cleaning composition of the present invention exhibits excellent oil-removability, desizing, penetrability, and wettability, and a scouring-treated cloth excellent in rewetting is obtained by scouring.
• the pH (20 ° C.) of the cleaning compositions of Examples 38 to 58 was measured and found to be in the range of 6.0 to 6.5. This shows that the cleaning composition of the present invention is excellent in work environment.
• Example 59 20 g of cooked rice was placed on a petri dish in a circle with a diameter of 4 cm, and 20 mL of 20% by weight of kaleau was hung from it and allowed to stand for 2 hours to prepare a sample for evaluating food stains.
• the washing method was as follows. 1 kg of a detergent composition, which is an aqueous solution containing 0.1% by weight of ⁇ -amylase (A1) and 0.1% by weight of an anionic surfactant (B1), was prepared in a vat, and a sample for food dirt evaluation was gently immersed. . After leaving still at 40 ° C. for 20 minutes, the sample was taken out and placed at an angle of 45 ° C., and 100 mL of 40 ° C. water was applied from the top of the soil, and the remaining soil was visually judged based on the following criteria. The results are shown in Table 7. ⁇ : Good (no dirt remains) ⁇ : Intermediate (slightly dirty) ⁇ : Defect (dirt remains)
• Example 60 to 70 Comparative Examples 26 to 31 and Reference Example 4
• the cleaning composition of Example 59 was treated in the same manner as in Example 59 except that the anionic surfactant (B1) was changed to the surfactants shown in Table 7 and their weight percentages, respectively.
• Examples 60 to 70 Comparative Examples 26 to 31 and Reference Example 4 no anionic surfactant were used.
• Table 7 As shown in Table 7, it can be seen that the cleaning composition of the present invention is excellent in soil removability.
• the cleaning composition of the present invention contains an enzyme and a specific anionic surfactant that does not inhibit the enzyme activity.
• the detergent composition of the present invention is particularly suitable for the case where a detergent using an enzyme further imparts excellent work environment properties, permeability, wettability, and washability.

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• 2010
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