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
  • C11D3/38—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
  • 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
  • C11D3/50—Perfumes

Definitions

• the present invention relates to a powder detergent composition for clothing to which a fragrance is added. More specifically, in the case where a good fragrance drifts during washing, and even after drying clothes after washing, a good fragrance drifts from the dried clothes, and the powder detergent itself is stored for a long time.
• the present invention also relates to a powder detergent composition for clothing in which a good fragrance drifting during washing is difficult to deteriorate.
• the powder detergent composition for clothing is widely used as a laundry detergent because it has advantages such as better storage stability and easier blending of cleaning aids than liquid detergents.
• Liquid fragrance can be added to liquid detergent as it is, but for powder detergent, liquid fragrance can be sprayed onto the powder detergent mixture, or a part of the powder detergent composition and liquid fragrance can be mixed in advance. Then, the powder is solidified to prepare a so-called master powder, which is added by a method of powder mixing with the whole powder detergent composition. On the other hand, it has also been proposed to blend so-called powdered fragrances in which the fragrances are in powder form.
• a powder fragrance for detergent for example, an alkaline liquid fragrance component that is unstable or highly volatile is included in a compound having an inclusion function, such as cyclodextrin, and made into a fragrance inclusion body.
• a method of adding to a powder detergent Patent Document 1, a granulated product of a fragrance inclusion powder in which a fragrance is included in cyclodextrin or the like, and the average particle size of the granulated product is 100 to 1000 ⁇ , and less than 100 ⁇
• Patent Document 2 a method for imparting the fragrance of a fragrance, including at the time of washing and after washing.
• the fragrance compound is included in cyclodextrin, it takes time to release the fragrance compound. It did not necessarily generate a sufficient aroma.
• Patent Document 3 As a technique related to a detergent fragrance powder that is stable even when stored at high humidity, a composition in which a fragrance is supported on porous inorganic carrier particles such as silica is enclosed in a water-sensitive matrix such as maltodextrin It is disclosed that the product is used in a powder detergent (Patent Document 3). However, in the invention of Patent Document 3, since the fragrance is supported on porous inorganic carrier particles such as silica, it still takes time to release the fragrance compound, so that it does not necessarily generate a sufficient fragrance at the time of washing. It was.
• aminoplast microcapsules are also used as a perfume for detergents.
• Aminoplast microcapsules are microcapsules produced by dispersing an oil-soluble fragrance liquid in an aqueous liquid containing an aminoplast precursor, for example, a melamine-formaldehyde resin. Such techniques include, for example, a method in which a perfume is dispersed in a non-polymeric solid fatty alcohol or fatty ester carrier material and then a capsule coated with an aminoplast polymer is blended with a detergent (Patent Document 4), polyamine, polyol and methylene.
• Patent Document 5 A method of blending microcapsules coated with a fragrance using an aminoplast polymer containing a terpolymer and a polymer stabilizer within a specific ratio in a detergent (Patent Document 5) has been proposed.
• the aminoplast microcapsule is a fragrance capsule intended to adhere to clothing during washing and release the fragrance by physical stimulation after the clothing is dried. Therefore, the aminoplast microcapsule does not necessarily generate sufficient fragrance during washing. There wasn't.
• the problem of the present invention is that it has a high detergency, has a good scent during washing, can give a pleasant scent to the worker, especially during washing by hand washing, and is stored in a high humidity environment.
• the object is to provide a powder detergent composition for clothing that does not easily deteriorate in flavor.
• perfume powders widely used in the food field as perfume powders that generate a good aroma during washing (during washing), that is, dextrin, gelatin, gum arabic
• laundry detergents it is common for laundry detergents to contain enzymes to help the action of the main component (surfactant) of the detergent and to further increase the cleaning power.
• enzymes often incorporated in detergents include proteases, lipases, amylases and cellulases.
• the powder detergent added with powdered fragrances using dextrin, gelatin, gum arabic, modified starch, etc. as an emulsifier and a coating agent generated a good aroma when used for washing immediately after the production of the detergent composition.
• these powder flavors were added to a powder detergent not containing an enzyme, and the detergent was stored for a while in a high humidity environment and used for washing, a good aroma was also generated.
• the powdered fragrance is added to the powder detergent containing the enzyme and stored for a certain period of time in a high humidity environment, it is used for washing. It turned out that there is a fault. This was presumed to be due to the fact that films such as dextrin and gelatin absorb moisture in a high humidity environment and were decomposed by the action of the enzyme, and the fragrance, which is an encapsulated substance, contacted the air and oxidized.
• the present inventors have further studied earnestly about a fragrance powder that is not adversely affected by the action of the enzyme when added to a detergent containing the enzyme.
• a powder detergent composition for clothing containing the following components (A) to (D).
• A) Surfactant B) Cleaning aid
• C) Enzyme D) Powdered fragrance included in a film containing trehalose
• E Fragrance included in an aminoplast polymer shell
• the powder detergent composition for clothing according to [1] comprising [3] The powder detergent composition for clothing according to [1] or [2], wherein the enzyme (C) is one or more selected from protease, lipase, amylase and cellulase.
• the enzyme (C) comprises a protease or amylase.
• the surfactant (A) is at least one selected from the group consisting of polyoxyethylene alkyl ether, sodium linear alkylbenzene sulfonate and sodium alpha olefin sulfonate [1] to [1] 4]
• the powder detergent composition for clothes of the present invention has a high detergency because it contains an enzyme, and releases a fragrance quickly when it comes into contact with water. Therefore, a good fragrance is generated at the time of washing, especially at the time of washing by hand washing. Therefore, it is possible to give a pleasant scent to the worker. Therefore, it is particularly suitable for washing by hand. Further, even when the powder detergent is stored in a high humidity environment, it has an excellent effect that its aroma is hardly deteriorated.
• powder detergent composition As the surfactant of the component (A) used in the powder detergent composition for clothing of the present invention (hereinafter sometimes simply referred to as “powder detergent composition”), those generally used in powder detergents are particularly used. It can be used without limitation. Specifically, one or more selected from the group consisting of nonionic surfactants, anionic surfactants, cationic surfactants and amphoteric surfactants can be used in appropriate combination.
• Nonionic surfactants include polyoxyethylene alkyl ether, polyoxyethylene alkyl phenyl ether, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbit fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene fatty acid alkyl ester, polyoxyethylene Examples include polyoxypropylene alkyl ether, polyoxyethylene castor oil, polyoxyethylene alkylamine, glycerin fatty acid ester, higher fatty acid alkanolamide, alkyl glucoside, alkyl glucose amide, alkyl amine oxide and the like. Of these, polyoxyethylene alkyl ether can be preferably exemplified.
• Anionic surfactants include alkylbenzene sulfonate, alkyl or alkenyl ether sulfate, alkyl or alkenyl sulfate, alpha olefin sulfonate, alpha sulfo fatty acid salt or ester salt, alkyl or alkenyl ether carboxylate, amino acid type interface
• Examples include activators, N-acyl amino acid type surfactants, and the like, preferably alkylbenzene sulfonates, alkyl or alkenyl ether sulfates, alkyl or alkenyl sulfates, and more preferably linear alkylbenzene sulfonates
• Examples include sodium and sodium alpha olefin sulfonate.
• cationic surfactant examples include quaternary ammonium salts such as alkyltrimethylamine salts.
• amphoteric surfactants examples include amphoteric surfactants such as carboxy type or sulfobetaine type.
• 50% by mass or more of the surfactant is composed of polyoxyethylene alkyl ether, sodium linear alkylbenzene sulfonate and sodium alpha olefin sulfonate. It is preferably at least one selected from the group.
• the content of the surfactant (A) in the powder detergent composition for clothing of the present invention is preferably 1 to 45%, more preferably 5 to 35%, based on the total mass of the powder detergent composition of the present invention. Particularly preferred is 8 to 30%, and most preferred is 12 to 25%.
• Component (B) As a washing adjuvant of a component, an alkali agent, a water softener, a metal sequestering agent, etc. can be contained. It is a component for improving detergency.
• the detergency can be enhanced by a synergistic effect with the surfactant.
• the alkali agent include alkali metal carbonates or bicarbonates, alkali metal silicates, and amines.
• Specific examples of the alkali metal carbonate include sodium carbonate, potassium carbonate, sodium potassium carbonate, sodium sesquicarbonate, and sodium bicarbonate.
• Specific examples of the alkali metal bicarbonate include sodium bicarbonate and potassium bicarbonate.
• Specific examples of the alkali metal silicate include sodium silicate, layered sodium silicate, sodium metasilicate, and sodium orthosilicate.
• Specific examples of the amine include monoethanolamine, diethanolamine, and triethanolamine.
• An alkali agent can be used individually by 1 type or in combination of 2 or more types as appropriate.
• the blending amount of the alkaline agent is 0 to 20%, preferably 0.1 to 20%, based on the mass of the whole powder detergent composition of the present invention.
• Water softener is a component used to soften water by capturing calcium ions and magnesium ions dissolved in water when the hardness of water used for washing is high. This is effective when using spring water or river water for washing as it is.
• water softeners commonly used zeolites (sodium aluminum silicate, aluminosilicate), citric acid or its salts can be used. Desirable from the side. However, it is desirable to use these zeolites in the minimum amount, since the result cannot be touched unless the residual zeolite is minimized.
• the metal sequestering agent is blended for the purpose of chelating and sequestering heavy metal ions such as iron ions and copper ions which adversely affect washing.
• phosphoric acid compounds such as phytic acid or salts thereof; ethane-1,1-diphosphonic acid, ethane-1,1,2-triphosphonic acid, ethane-1-hydroxy-1,1-diphosphonic acid and Derivatives thereof; phosphonic acids such as ethanehydroxy-1,1,2-triphosphonic acid, ethane-1,2-dicarboxy-1,2-diphosphonic acid, methanehydroxyphosphonic acid or salts thereof; 2-phosphonobutane-1,2 A phosphonocarboxylic acid such as dicarboxylic acid, 1-phosphonobutane-2,3,4-tricarboxylic acid, ⁇ -methylphosphonosuccinic acid or a salt thereof; an amino acid such as aspartic acid, glutamic acid or glycine or a salt thereof;
• the amount of the metal sequestering agent may be 0 to 30%, preferably 0.01 to 15%, based on the total mass of the powder detergent composition of the present invention.
• Component (C) examples of the enzyme that can be blended in the powder detergent composition for clothing of the present invention include protease, esterase, lipase, nuclease, cellulase, amylase, and pectinase.
• protease examples include pepsin, trypsin, chymotrypsin, collagenase, keratinase, elastase, subtilisin, papain, promeline, carboxypeptidase A or B, aminopeptidase, and aspergillopeptidase A or B.
• protease As commercial products of protease, sabinase (registered trademark), alcalase (registered trademark), cannase (registered trademark), everase (registered trademark), deozyme (registered trademark) (above, trade name: manufactured by Novozymes); API21 (product) Name: Showa Denko Co., Ltd.); Maxacal, Maxapem (above, trade name: Genencor Corp.) and the like.
• esterases include gastric lipase, bunkreatic lipase, plant lipase, phospholipase, cholinesterase, phosphotase and the like.
• lipase examples include commercially available lipases such as Lipolase (registered trademark), Lipex (registered trademark) (the trade name: manufactured by Novozymes), Liposum (trade name: Primec EF).
• Lipolase registered trademark
• Lipex registered trademark
• Liposum trade name: Primec EF
• cellulase examples include cellzyme (trade name; manufactured by Novozymes).
• amylase examples include commercially available Steinzyme (registered trademark), Termamyl (registered trademark), Duramil (registered trademark) (above, trade name: manufactured by Novozymes) and the like.
• enzymes can be used singly or in appropriate combination of two or more.
• the enzyme content may be 0.05 to 5%, preferably 0.1 to 4%, more preferably 0.2 to 3% based on the total mass of the powder detergent composition of the present invention. it can.
• an enzyme stabilizer can also be mix
• the enzyme stabilizer for example, calcium salt, magnesium salt, polyol, formic acid, boron compound and the like can be blended. Of these, sodium tetraborate and calcium chloride are preferred.
• 1 type can be used individually or in combination of 2 or more types as appropriate.
• the compounding amount of the enzyme stabilizer can be exemplified by 0.05 to 2% based on the mass of the whole powder detergent composition of the present invention.
• [(D) component] A major feature of the present invention is that the component (D) contains a powdered fragrance that is included in a film containing trehalose.
• the powder detergent composition of the present invention contains a powder fragrance encapsulated with a film containing trehalose, thereby giving a good scent during washing and providing a comfortable feeling to the laundry operator. Moreover, even after the powder detergent composition containing the enzyme is stored for a long time under high humidity, it is possible to prevent a decrease in the strength and deterioration of a good fragrance drifting during washing.
• flavor enclosed by the film containing trehalose can be prepared with the following method.
• fragrances that can be generally used for detergents and the like.
• the “fragrance” contains at least one fragrance component.
• flavor component is suitably selected according to the desired fragrance, and a some fragrance
• the fragrance component is not particularly limited, and a fragrance component generally used in detergents, fiber finishes, hair cosmetics, and the like can be used.
• perfume ingredients include phenols, alcohols, carboxylic acids, aldehydes, ethers, esters, hydrocarbons, ketones, lactones, musks, nitrogen-containing compounds as shown below, for example. And / or sulfur-containing compounds, natural flavors, animal flavors and the like.
• the carboxylic acids are not particularly limited and may be appropriately selected depending on the intended purpose. For example, geranilic acid, citronellic acid, phenylpropionic acid, cinnamic acid, 2-methyl-2-pentenoic acid, anthranilic acid, benzoic acid An acid, phenylacetic acid, etc. are mentioned.
• the phenols are not particularly limited and may be appropriately selected depending on the intended purpose.
• examples include eugenol, acetylisoeugenol, methyl eugenol, cabicol, carvacrol, raspberry ketone, vanillin propylene glycol acetal, ethyl salicylate, and benzyl salicylate.
• the alcohols are not particularly limited and may be appropriately selected depending on the intended purpose.
• the aldehydes are not particularly limited and may be appropriately selected depending on the intended purpose.
• the ethers are not particularly limited and may be appropriately selected depending on the intended purpose.
• esters are not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include cis-3-hexenyl acetate, cis-3-hexenyl propionate, cis-3-hexenyl salicylate, p-cresate.
• the hydrocarbons are not particularly limited and may be appropriately selected depending on the intended purpose.
• d-limonene, ⁇ -pinene, ⁇ -pinene, myrcene, 3-carene, ⁇ -cariolefin, p- Examples include cymen and cedrene.
• the ketones are not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include ⁇ -ionone, ⁇ -ionone, methyl- ⁇ -naphthyl ketone, ⁇ -damascon, ⁇ -damascon, and ⁇ -damascon. , Cis-jasmon, methylionone, allylionone, cashemaran, dihydrojasmon, belt fix, isolone diforanone, coabon, rosephenone, dinascon, nootkaton, carvone, menthone, damasenone, caron, isojasmon, yonon, methylionone, tonalide, iso -E-super and traseolide.
• the lactone is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include ⁇ -decalactone, ⁇ -undecalactone, ⁇ -nonalactone, ⁇ -dodecalactone, coumarin, pentalide, habanolide, and traceolide. Etc.
• the musks are not particularly limited and may be appropriately selected depending on the intended purpose.
• cyclopentadecanolide ethylene brushate, galaxolide, musk ketone, tonalide, nitromusk, musk ambulette, musk civeten, muscone
• Examples include ambretlide, cyclohexadecanolide, and galaxolide.
• the nitrogen-containing and / or sulfur-containing compounds are not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include citronellylnitrile, lemonyl, indole, 6-isopropylquinoline, isobutylquinoline, 2-isobutyl. Examples include quinoline, benzothiazole, mint sulfide and the like.
• the natural perfume is not particularly limited and may be appropriately selected depending on the intended purpose.
• the animal fragrance is not particularly limited and may be appropriately selected depending on the intended purpose. Examples thereof include incense, ghost cat incense, sea scent incense, and dragon scent incense.
• the above fragrance composition is coated with trehalose to obtain a powder fragrance.
• the trehalose used in the present invention is a disaccharide formed by linking two ⁇ -glucoses with a 1,1-glycoside bond.
• commercially available trehalose is easily available, so that commercially available trehalose can be used.
• yeast is cultured in a glucose solution, trehalose is produced in the yeast cells, and the trehalose is separated from the cells. Bacteria are cultured in the glucose solution and trehalose is produced in the culture solution.
• the trehalose can also be produced by a method such as a method of separating the trehalose from the culture solution.
• the amount of trehalose to be used for the powdered fragrance included in the film containing trehalose can be appropriately selected according to the type and form of the fragrance, the type of emulsifier, etc. A range of about 0.01 to about 100 parts by weight, preferably about 0.1 to about 50 parts by weight is appropriate.
• the emulsifier used in the present invention is not particularly limited, and various emulsifiers conventionally used in foods and drinks can be used.
• the amount of these emulsifiers is not strictly limited and can be varied over a wide range depending on the type of emulsifier used, etc., but is usually about 0.01 to about 100 parts by weight per 1 part by weight of fragrance, A range of about 0.1 to about 50 parts by mass is preferable.
• the fragrance, trehalose and emulsifier described above are mixed and emulsified with water, and the resulting emulsified mixture is dried to obtain a powder fragrance.
• sugars such as dextrin, sugar, lactose, glucose, starch syrup, and reduced starch syrup can be appropriately blended as needed during emulsification. These amounts used can be appropriately selected according to the properties desired for the powder flavor.
• a preferred embodiment of the method for preparing the powder flavor used in the present invention is, for example, firstly, 40 parts by weight of the emulsifier and 50 parts by weight of trehalose are dissolved in 150 parts by weight of water, and then 10 parts by weight of the flavor as described above. And then emulsifying using a homomixer, colloid mill, high-pressure homogenizer, etc., and drying the resulting emulsified mixture with a drying means such as vacuum drying or spray drying, thereby improving the retention and stability of aroma components. An excellent powder flavor can be obtained.
• the blending amount of the powdered fragrance can be exemplified by 0.1 to 10%, preferably 0.2 to 5%, more preferably 0.3 to 3% based on the total mass of the powder detergent composition for clothing of the present invention. .
• the powder detergent composition for clothing of the present invention may further contain (E) a fragrance encapsulated with an aminoplast polymer shell.
• the fragrance encapsulated with an aminoplast polymer shell is an encapsulated fragrance in which a fragrance is a core substance and a wall material made of melamine-formaldehyde resin or urea-formaldehyde resin is used as a capsule wall.
• the perfume encapsulated with the aminoplast polymer shell adheres to the clothes being washed without breaking the capsule during washing, and after drying, the capsule is disintegrated by applying pressure to release the perfume contained therein. Therefore, after washing and drying, a comfortable scent can be given to the wearer and those around him when the garment is worn and used.
• the perfume (microcapsule) included in the aminoplast polymer shell can be prepared by a known method. For example, according to the method described in JPO standard technology collection (technical classification) 2-2-6 material / fragrance processing technology / encapsulation (technical name) 2-2-6-1 encapsulation (2007), etc.
• the blended fragrance (oily liquid) is mixed with a water-insoluble diluent and emulsifier, added to water, and stirred vigorously to prepare fine oil droplets. Subsequently, the fine oil droplets can be coated with an aminoplast polymer by adding urea or melamine and formaldehyde or glutaraldehyde to the aqueous dispersion of fine oil droplets.
• the blended fragrance (oil-based liquid) that is the core material of the microcapsule is the same as that used for the powdered fragrance encapsulated with the above-mentioned film containing trehalose, such as phenols, alcohols, carboxylic acids, and aldehydes. , Ethers, esters, hydrocarbons, ketones, lactones, musks, natural flavors, animal flavors, and the like. These specific compounds are the same as those listed above.
• the blending amount of the fragrance included in the shell of the aminoplast polymer is 0.1 to 10%, preferably 0.2 to 5%, more preferably 0.8% based on the total mass of the powder detergent composition of the present invention. Examples are 3 to 3%.
• the washing method using the powder detergent composition of the present invention may be carried out in accordance with a normal washing method. For example, a washing liquid is prepared by mixing the powder detergent composition and water, and an object to be washed such as clothing is put on this for a while. After soaking, wash by hand, rinse, dehydrate, etc.
• Reference Example 2 The same procedure as in Reference Example 1 was performed except that the same amount of dextrin (DE10) was used in place of the trehalose of Reference Example 1 to obtain 950 g of a floral type powder flavor (Reference product 2).
• DE10 dextrin
• Example 1 In accordance with the formulation shown in Table 2, powder detergent compositions (invention product 1, comparative products 1 to 4) containing powdered fragrances were prepared (unit: parts by mass).
• each powder detergent composition was used for washing by hand, and the fragrance drifting during washing was evaluated by sensory evaluation.
• the water used for washing was the same water drawn from a specific river (slightly turbid, with a rather jarring odor, 10 L).
• an unused towel 250 g was washed once with water, rinsed and dried, then dipped in a mixed solution of gravy and miso soup, and then tightly squeezed.
• the sensory evaluation was performed by 10 well-trained panelists about the aroma at the time of washing of the powder detergent composition after storage. Evaluation was scored according to the following evaluation criteria, with the aroma at the time of washing of the refrigerated powder detergent composition as a comparison object. The total points are shown in Table 3.
• the towel was further washed twice with water and dried, and the washing power of the powder detergent composition was visually determined based on the following criteria with respect to the washed towel.
• the powder detergent composition of the present invention product 1 (powder detergent composition using trehalose as a powder fragrance and blended with an enzyme) is kept for 3 weeks in a heat-reserving cabinet at a temperature of 50 ° C. and a humidity of 80%. Even after storage, the strength of the scent at the time of washing, the quality of the scent, and the masking effect of the odor at the time of washing were hardly changed compared with those immediately after production.
• powder fragrance dextrin (DE10) is used instead of trehalose of the product 1 of the present invention, and comparative product 1 does not contain an enzyme, and trehalose is not used in the powder fragrance.
• Comparative product 2 which uses gelatin and does not contain an enzyme, is not as strong as the product 1 of the present invention in terms of the strength and quality of the odor during washing and the odor masking effect during washing after storage. , Did not drop so much. However, the detergency was inferior to that of the product 1 of the present invention containing the enzyme.
• dextrin DE10
• a comparative product 3 in which an enzyme is blended, and dextrin and gelatin are used without using trehalose in the powder flavor.
• the comparative product 4 containing the enzyme has the same detergency as the product 1 of the present invention, but the odor drifting during the cleaning is considerably reduced in both strength and quality, and the odor masking effect during the cleaning is also large. It was falling.
• urea was added to 162 g of 37% formaldehyde aqueous solution and dissolved by heating. Further, 277 g of water was added, and then 0.53 g of sodium tetraborate was added to adjust the pH to 8.0. Further, 200 g of an aqueous solution in which 28% by mass of sodium chloride and 0.3% by mass of carboxymethylcellulose were dissolved was added to prepare a urea-formaldehyde solution. While stirring the urea-formaldehyde solution at 90 ° C., the core material solution was added dropwise to adjust the particle size to about 200 ⁇ m, and 0.6-N hydrochloric acid was added to adjust the pH to 5.0.
• reaction solution was cooled over 2 hours (1) the temperature was lowered to 25 ° C., and (2) 0.6N hydrochloric acid was added dropwise to gradually lower the pH to 2.2 ((1) and (2) Are done in parallel). Subsequently, the reaction liquid was raised to 50 ° C. over 2 hours, cooled again to 25 ° C., and adjusted to pH 7.0 by adding a 15% aqueous ammonium hydroxide solution.
• Example 2 According to the formulation of Table 4, powder detergent compositions (invention products 1 and 2 and comparative product 5) containing powdered fragrances were prepared (units are parts by mass).
• the powder detergent composition of the product 1 of the present invention (powder detergent composition using trehalose as a powder fragrance and blended with an enzyme) was not so strong in the remaining scent of the fabric after drying.
• the fragrance encapsulated with an aminoplast polymer shell was further added to the powder detergent composition of the present invention product 1, and the remaining scent of the fabric after drying felt a pleasant scent and was very good. It was.
• Comparative Product 5 was obtained by replacing trehalose of the powdered fragrance blended with Product 2 of the present invention with dextrin, and the fabric fragrance after drying was relatively good, but the strength and quality of the fragrance at the time of washing.
• the masking effect of odor at the time of washing was considerably reduced due to deterioration of the powdered fragrance due to storage at high temperature and high humidity.
• Example 3 According to the formulation of Table 6, powder detergent compositions (invention product 1, comparative products 4, 6 to 9) containing powdered fragrances were prepared (unit: parts by mass).
• the comparative products 6 to 9 containing protease, lipase, amylase or cellulase alone were washed from the product 1 of the present invention or the comparative product 4 containing all of protease, lipase, amylase and cellulase. It was recognized that the power was inferior.
• the four powder detergent compositions of comparative products 6 to 9 are those containing protease, lipase, amylase or cellulase alone, and do not use trehalose as a powder flavor, but use dextrin and gelatin.
• the reduction and deterioration of the aroma intensity were particularly severe in Comparative Product 6 using protease and Comparative Product 8 using amylase.
• Comparative product 4 contains all proteases, lipases, amylases and cellulases as enzymes, and does not use trehalose as a powder flavor, but uses dextrin and gelatin, but is stored under high temperature and high humidity. , The intensity and the deterioration of the fragrance intensity were severe.
• the powder detergent composition of the product 1 of the present invention uses trehalose as a powder fragrance and contains all proteases, lipases, amylases and cellulases as enzymes. There was very little drop in strength and deterioration.
• blending a powdered fragrance encapsulated with a film containing trehalose into a powder detergent composition is particularly effective in reducing and deteriorating the fragrance strength in a powder detergent composition blended with protease or amylase. It was confirmed that the composition was highly effective against a powder detergent composition for clothing containing protease or amylase.

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• 2016
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