WO1999063047A1 - Composition de tensioactif - Google Patents
Composition de tensioactif Download PDFInfo
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- WO1999063047A1 WO1999063047A1 PCT/JP1999/002982 JP9902982W WO9963047A1 WO 1999063047 A1 WO1999063047 A1 WO 1999063047A1 JP 9902982 W JP9902982 W JP 9902982W WO 9963047 A1 WO9963047 A1 WO 9963047A1
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Classifications
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- 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
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- 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
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
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- 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
- C11D10/00—Compositions of detergents, not provided for by one single preceding group
- C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
- C11D10/045—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap based on non-ionic surface-active compounds and soap
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- 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
- C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3707—Polyethers, e.g. polyalkyleneoxides
Definitions
- the present invention relates to a surfactant composition containing a non-ionic surfactant. Further, the present invention relates to a non-liquid detergent composition containing the surfactant composition.
- Nonionic surfactants with a melting point of 30 ° C or less are excellent in sebum dirt cleaning performance.
- the nonionic surfactant is liquid or paste at room temperature, it is difficult to mix it with non-liquid detergents such as powder detergents.
- a composition containing a nonionic surfactant is supported on powder to obtain a powder detergent.
- the composition is supported by surface adsorption to powder or by capillary force, and there is a problem in the spotting property and caking property of the nonionic surfactant.
- a surfactant composition mainly comprising a liquid or semi-solid nonionic surfactant at room temperature is disclosed.
- any means for preventing the non-ionic surfactant from bleeding out and improving the caking resistance and there is a problem in quality when detergent particles are produced using this.
- anionic surfactants having a sulfonic acid group are very useful in terms of excellent cleaning performance and foaming power, high stability, and low cost. From the viewpoint of cleaning performance, anionic surfactants having a sulfonic acid group have particularly high cleaning performance against hydrophilic soil such as mud soil. Therefore, by combining a nonionic surfactant having excellent cleaning performance for sebum dirt and a nonionic surfactant having a sulfonic acid group, it is possible to exhibit high cleaning performance for a wide range of dirt. .
- a nonionic surfactant generally has little foaming, a desirable foaming property can be obtained by using it together with an anionic surfactant having a sulfonic acid group which is excellent in foaming power.
- Japanese Patent Application Laid-Open No. 63-11092 discloses that spraying is performed at a temperature of 20 to 80 ° C comprising a nonionic surfactant, an alkylbenzene sulfonate or an alkyl sulfate, and water.
- An activator composition for use in the production of a powder detergent having a mobility is disclosed.
- a nonionic surfactant and an alkylbenzene sulfonate it is not possible to suppress the stain of the nonionic surfactant, and there is a concern that the anti-caking property may be reduced.
- a surfactant composition used in the production of a non-liquid detergent has a sufficiently low viscosity in a temperature range in which it can be produced, and is cured by curing the surfactant composition in a temperature range during storage of the detergent.
- the non-liquid detergent composition carrying the surfactant composition does not cause stains of the nonionic surfactant, and does not cause caking due to particle deformation or the like when used in a powdered detergent composition. It is necessary to have characteristics
- an object of the present invention is to provide a process for producing a non-liquid detergent composition, In the temperature range (preferably 90 ° C. or less), it has a sufficiently low viscosity that it can be easily handled. On the other hand, in the temperature range when the detergent composition is stored, the nonionic surfactant suppresses stains, and It is an object of the present invention to provide a surfactant composition having both hardening properties and curing properties of the surfactant composition for improving the strength of the detergent composition.
- the gist of the present invention is:
- anionic surfactant having a sulfonic acid group
- A) a surfactant composition comprising: a) a component in an amount of 0 to 300 parts by weight based on 100 parts by weight of the component; c) a component in an amount of a) 1 to 100 parts by weight with respect to 100 parts by weight, and
- the composition has a temperature range in which the viscosity of the composition is 10 Pas or less;
- a method for producing a non-liquid detergent composition comprising a step of mixing the surfactant composition according to the above [1] having a viscosity of 1 OPa ⁇ s or less with a powder material. Is what you do. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a graph showing the relationship between temperature and penetration hardness for a surfactant composition. 8
- ta indicates the melting point of the component a
- ty indicates the pour point of the composition (Y)
- line x indicates the data of the composition (X)
- line y indicates the data of the composition (Y).
- FIG. 2 is a graph showing the relationship between temperature and penetration hardness for a surfactant composition.
- the nonionic surfactant of the component has a melting point of 30 ° C or lower, preferably 25 or lower, particularly preferably 22 ° C or lower.
- Polyoxyethylene polyoxypropylene block polymers such as alkyl ethers (abbreviated as EPE nonions) and polyoxyalkylene alkylol (fatty acid) amides are exemplified as preferable ones.
- a polyoxyalkylene alkyl ether obtained by adding 4 to 12 mol (preferably 6 to 10 mol) of an alkylene oxide to an alcohol having 10 to 14 carbon atoms is preferable.
- the alkylene oxide includes ethylene oxide, propylene oxide, and the like, and is preferably ethylene oxide.
- a compound obtained by subjecting such an alcohol to ethylene oxide, propylene oxide, and, if necessary, ethylene oxide in the form of block polymerization or random polymerization is also preferable.
- EPE nonion is preferable.
- the component (a) may be used alone or in combination of two or more. Further, the nonionic surfactant may be used as an aqueous solution.
- O-b) Anionic surfactants containing sulfonic acid groups can be used together with a) nonionic surfactants to achieve desirable foaming and cleaning performance.
- the amount of component b) is 0 to 300 parts by weight, preferably 1 to 300 parts by weight, more preferably 10 to 250 parts by weight, and more preferably 100 to 100 parts by weight of component a). It is preferably from 20 to 200 parts by weight, particularly preferably from 30 to 180 parts by weight.
- the components may be used alone or in combination of two or more. In addition, even when the component b) is not blended, the effect of preventing the non-ionic surfactant from bleeding out and improving the caking resistance can be exhibited.
- an alkyl group having 10 to 18 carbon atoms preferably an alkyl benzene sulfonate, preferably 12 to 16 carbon atoms, a paraffin sulfonate, a polyolefin sulfonate, and a Sulfo fatty acid salts and monosulfo fatty acid alkyl ester salts are preferred.
- alkylbenzene sulfonates are preferred.
- alkali metal salts such as sodium and potassium, and amines such as monoethanolamine and diethanolamine are preferable. Particularly, from the viewpoint of improving the particle strength of the detergent composition, sodium and potassium are preferred. Lithium salts are preferred.
- the component c) is a fixing agent for the component a).
- the immobilizing agent can suppress the fluidity of a liquid or paste-like nonionic surfactant at normal temperature and can significantly increase the penetration hardness when the composition loses fluidity.
- Means base For example, as shown in FIG. 1, a mixture of the components a) and b) (composition (X)) has a small increase in the penetration hardness due to a decrease in temperature.
- the composition (Y) of the present invention in which the component (c) is added to the composition (X) has a feature that the penetration hardness of the composition rapidly increases in a temperature range lower than the pour point and higher than the melting point of the component (a). It has.
- the amount of component c) is from 1 to 100 parts by weight, preferably from 5 to 50 parts by weight, particularly preferably from 5 to 30 parts by weight, per 100 parts by weight of component a).
- the component c) include the components c-1) and c-2) shown below.
- examples of the component include anionic surfactants having a carboxylic acid group or a phosphoric acid group (excluding those having a sulfonic acid group). And anionic surfactants such as salts, hydroquinine fatty acid salts, and alkyl phosphates.
- At least one selected from sodium salts of fatty acids having 10 to 22 carbon atoms or hydroxy fatty acids, alkali metal salts of potassium, and amine salts such as alkanolamines is preferable in terms of solubility.
- Particularly preferred is at least one selected from sodium and potassium salts of saturated fatty acids having 14 to 20 carbon atoms in terms of suppression of spotting and strength of detergent particles.
- the average carbon number of the fatty acid salt is preferably from 10 to 18, more preferably from 12 to 16, and particularly preferably from 13 to 5.
- the content of the saturated fatty acid salt having 20 or more carbon atoms is preferably 10% by weight or less, more preferably 5% by weight or less in the fatty acid salt.
- the compounding amount should be 40 parts by weight or less based on 100 parts by weight of the component (a). Preferably, it is 20 parts by weight or less.
- the component 2) is a compound having a melting point of 35 ° C. or more and having compatibility with the component a).
- it is selected from a polyoxyalkylene-type nonionic compound having a molecular weight of 300 to 300, a polyether-based nonionic compound having a molecular weight of 300 to 300, and the like.
- a polyoxyalkylene-type nonionic compound having a molecular weight of 300 to 300 a polyether-based nonionic compound having a molecular weight of 300 to 300, and the like.
- polyethylene glycol, polypropylene glycol, and polyoxyethylene alkyl ether are preferred examples.
- the composition may be used at a temperature higher than the melting point of the component a) and lower than the pour point of the surfactant composition.
- Polyethylene glycol preferably 500 to 1500
- the term “compatible” as used herein refers to a property in which a mixture of the component a) and the component c-2) is well mixed at any one of the temperatures equal to or higher than the melting point of the component a) and hardly undergoes phase separation. Therefore, the mixing ratio of the component c-1) to the component a) may be appropriately set within a range that can be handled.
- the c) component may be the c-1) component alone or the c-12) component alone, or a mixture of the c-1) component and the c-12) component.
- the mixture it is particularly preferable to use the mixture as the component (c), since the effect of preventing stains and the resistance to caking can be further improved.
- the weight ratio of the c-1) component to the c-1) component is preferably 10Z1 to 1Z10, more preferably 8 ⁇ 1 to 1 ⁇ 8, and particularly preferably 5 ⁇ 1 to 1/5. .
- the surfactant composition of the present invention containing the components a), b) and c) has the following properties.
- the surfactant composition of the present invention has a viscosity of 10 Pas or less, preferably 5 Pa, at a temperature equal to or higher than the pour point of the composition, from the viewpoint of the handling property in production. ⁇ S or less, more preferably 2 Pa ⁇ s or less.
- ⁇ S or less more preferably 2 Pa ⁇ s or less.
- the surfactant composition is particularly preferably 1 Pa ⁇ s or less, most preferably 0.5 Pa-s from the viewpoint of increasing occlusion in the base granules. s or less.
- Such a temperature range is preferably up to 90 ° C., more preferably up to 80 ° C., particularly preferably up to 70 ° C., from the viewpoint of the stability of the surfactant composition.
- the viscosity is measured and determined under the conditions of a B-type viscometer (DVM-B type, manufactured by TOKYO KEIKI), rotor No. 3, and 60 rZmin. If the measured value under the above conditions exceeds 2 Pa ⁇ s and measurement becomes impossible, measure under the conditions of Law Yuichi No. 3 and 12 r Zmin to obtain.
- DVM-B type manufactured by TOKYO KEIKI
- the surfactant composition of the present invention preferably has a temperature lower than the pour point of the composition and a) higher than the melting point of the component (from the viewpoint of expanding the suitable range of suppression of spotting of the nonionic surfactant, preferably 25 ° C or higher, more preferably 30 ° C or higher.
- the composition has a temperature range in which the penetration hardness of the composition is 10 O gZcm 2 or more, preferably 30 O gZ cm 2 — or more, and particularly preferably 800 g / cm 2 or more.
- the pour point is measured by the method of JISK2269.
- the penetration hardness may increase near the melting point of the component a) as the component a) solidifies. In this case, the nonionic surfactant is stained due to the temperature rise, which causes practical problems.
- the surfactant composition of the present invention containing the component (c) increases the penetration hardness in a temperature range significantly higher than the melting point of the component (a). This means that the material can be cured and the non-ionic surfactant can be prevented from bleeding over the temperature range during storage.
- the method for measuring the penetration hardness is as follows.
- the adapter is a surfactant composition It is the value obtained by dividing the load when the vehicle enters 2 mm at a speed of 2 mm / min by the area of the circular adapter bottom.
- the surfactant composition of the present invention has a change rate (absolute value) of the penetration hardness of 1 Og / cm 2- ° C. in a temperature range lower than the pour point of the composition and higher than the melting point of the component. Those having the above temperature range are preferable from the viewpoint of expanding the temperature range in which production is possible.
- the rate of change is preferably 20 g / cm 2 ⁇ ° C. or more, more preferably 50 g / cm 2 * ° C. or more.
- the change rate (absolute value) of the penetration hardness is calculated by the following method (see FIG. 2). That is, a) The penetration hardness is measured at 5 ° C intervals in a temperature range higher than the melting point of the component and lower than the pour point of the surfactant composition. However, in the temperature range where the penetration hardness changes abruptly, it is desirable to measure the temperature by appropriately narrowing the temperature interval. Next, assuming that the penetration hardness P, at temperature T, T 2 (° C) is P ,, P 2 (g / cm 2 ), the rate of change (g / cm 2- ° C) is expressed by the formula (1). .
- the mixing method for preparing the surfactant composition of the present invention includes, for example, a) component, b) Ingredients and c) are each independently heated to a temperature equal to or higher than the pour point of the composition, and then mixed and stirred to prepare components I, a), b) and c).
- a method in which a part is mixed in advance, then the remaining components are mixed, and the mixture is heated to a temperature not lower than the pour point of the composition.II, components a), b) and c) are first added at room temperature.
- a method III in which the mixture is mixed and then heated to a temperature equal to or higher than the pour point of the surfactant composition while the mixing is continued to prepare the composition.
- Preferred is method I or method I, and particularly preferred is method II.
- the surfactant composition of the present invention may contain water as a component (d).
- the composition of the present invention preferably contains water.
- a fatty acid salt is used as the component (c)
- the addition of water is preferable because the compatibility with the component (a) is increased, and the viscosity-reducing effect at a temperature higher than the pour point of the surfactant composition is also obtained. Yes, it is suitable from the viewpoint of handling in production.
- the content of water is preferably 5 to 25% by weight of the surfactant composition of the present invention, more preferably 5 to 20% by weight, more preferably 9 to 15% by weight, and still more preferably 10 to 10% by weight.
- the surfactant composition of the present invention includes, for example, anionic surfactants that do not correspond to the component (b) or the component (c-1), specifically, sulfates of alcohols and ethoxyquinates of alcohols.
- An acid ester salt may be appropriately contained.
- surfactants such as cationic surfactants and zwitterionic surfactants, anti-redeposition agents such as acrylic acid polymers or acrylic acid maleic acid copolymers and carboxymethyl cellulose, citric acid, ethylenediaminetetraacetic acid, etc.
- An acid or a salt thereof of the low molecular weight ruponic acid chelating agent, an inorganic powder such as soda ash, sodium sulfate and sulfite, a fluorescent whitening agent and the like may be appropriately contained.
- the component b) and the component c-1) may be prepared by mixing one or both components in a non-neutralized form with a nonionic surfactant and then neutralizing with an alkali.
- a part of the unneutralized material is neutralized, and the rest is neutralized when the powder is loaded on the raw material. Is also good. However, it is preferably at most 10% by weight, more preferably at most 5% by weight, further preferably at most 3% by weight.
- Components b) and c) may be used in the form of a highly concentrated paste or aqueous solution.
- the non-liquid detergent composition is, for example, a paste, a dough, a powder, or a sheet or tablet obtained by processing them.
- the desired form can be obtained by appropriately changing the mixing ratio of the surfactant composition and the powder raw material.
- a non-liquid detergent composition can be obtained by mixing 20 to 200 parts by weight of a powder raw material with respect to 100 parts by weight of the surfactant composition of the present invention.
- the powdery raw material is mixed with 100 to 100 parts by weight of the surfactant composition of the present invention in an amount of from 200 to 100 parts by weight, so that the powdery raw material is mixed with 50 to 200 parts by weight.
- laundry detergent is in the form of a powder.
- a preferred production method for obtaining a powdered detergent composition comprises the following step (A), and may further comprise step (B) if necessary.
- Step (B) a step of mixing the mixture obtained in step (A) with fine powder, and coating the surface of the powder detergent composition with the fine powder.
- Step (B) includes the case where disintegration proceeds simultaneously.
- the powdery raw material is a builder generally used for clothing detergents, for example, sequestering agents such as zeolite and citrate, and alkaline agents such as sodium carbonate and carbonated lithium, It means a base or the like that has both sequestering ability and crystallinity ability such as crystalline silicate.
- one or more of the builder and Z or other bases commonly used in detergent compositions for example, surfactants known in the field of clothing detergents, atalylic acid polymers or maleic acrylate copolymers,
- a base granule obtained by drying a water slurry appropriately mixed with a re-staining agent such as carboxymethyl cellulose, an inorganic powder such as sodium sulfate and sulfite, and a fluorescent brightening agent is also a kind of powder raw material.
- the amount thereof is preferably at least 60% by weight, more preferably at least 70% by weight, particularly preferably at least 80% by weight, based on the solubility of the detergent composition. % By weight or more. However, in the case of a detergent composition containing a surface coating, the amount is calculated excluding the amount of the surface coating.
- the bulk density is preferably from 400 to 100 gZL, more preferably SOOSOO gZL, and the average particle size is preferably 150 to 500 ⁇ m, more preferably 180 to 350 ⁇ m.
- the bulk density is measured by the method of JISK3362.
- the average particle size (DP) is determined using a sieve specified in JISZ8801.
- the apertures are 20000 / m, 1400 / m, 1100m, 7100jum, 5500fim, 3550zm, 250nm, 1800m, Attach to a low tapping machine (made by HE IK ⁇ SE I SAKUSHO, tapping: 156 times Z, rolling: 290 times _ min.) Vibration of 0 g sample for 10 minutes After sieving, the saucer, 125 m, 180 m, 250 m, 350 m, 500 m, 700 m, 100 m, 1400 m When the weight frequency is accumulated on the saucer and each sieve in the order of m and 2000 m, the opening of the first sieve with the cumulative weight frequency of 50% or more is defined as am, and from a ⁇ m When the size of the sieve with the next larger sieve is bm, the integration of the weight frequency from the saucer to the sieve of am is c%, and the weight frequency on the a / m sieve is d%, the following formula:
- Base granules are prepared by slurry drying.
- the drying method include spray drying, freeze drying, thin film drying, vacuum drying and kneading drying. Among them, spray drying is preferred from the viewpoint of productivity. Further, after drying, crushing and classification may be performed to obtain base granules.
- the mixer used in the step (A) is preferably provided with, for example, a nozzle for adding a surfactant composition and a jacket for controlling the temperature in the mixer.
- the neutralization of the surfactant component in the powder raw material A suitable mixing time (for a batch type) and an average residence time (for a continuous type) may be, for example, preferably 1 to 20 minutes, and particularly preferably 2 to 10 minutes.
- the step (B) includes a step of pulverizing the mixture using a fine powder as an auxiliary agent.
- the fine powder has an average primary particle diameter of 10 m or less from the viewpoint of improving the coverage of the surface of the powder detergent composition, and improving the fluidity and the anti-caking properties of the powder detergent composition. Is preferred.
- the average particle size is measured by a method using light scattering, for example, a particle analyzer (manufactured by HORIBA, Ltd.) or microscopic observation.
- the fine powder is preferably an aluminoate, inorganic fine powder such as a silicate compound such as calcium silicate, silicon dioxide, bentonite, talc, clay, an amorphous silica derivative, and a crystalline silicate compound; Metal stone having a particle size of 10 / m or less can also be used.
- a silicate compound such as calcium silicate, silicon dioxide, bentonite, talc, clay, an amorphous silica derivative, and a crystalline silicate compound
- Metal stone having a particle size of 10 / m or less can also be used.
- the fine powder has a high ion exchange ability and a high resiliency in terms of detergency.
- the amount of the fine powder to be used is preferably 0.5 to 40 parts by weight, more preferably 1 to 30 parts by weight, based on 100 parts by weight of the powder detergent composition in terms of fluidity and feeling of use. It is preferably 2 to 20 parts by weight.
- a mixer provided with a high-speed rotating crushing blade in the mixer is preferable from the viewpoint of improving the dispersibility of the fine powder to be added and the crushing efficiency.
- the temperature of the mixer is may be set arbitrarily according to the purpose, reducing the ingress hardness of the surfactant composition is 1 0 0 gZcm 2 or more fine powder amount if the temperature range of the present invention, This is advantageous from the viewpoint of improving the crushing efficiency.
- the bulk density is preferably 500 to 1000 gZL, more preferably 600 to 1000 gZL, and particularly preferably 65 to 850 gZL.
- the method for measuring the bulk density is the same as that for the base granules.
- the average particle size is preferably 150 to 500 zm, more preferably 180 to 350 zm.
- the method for measuring the average particle size is the same as that for the base granules.
- a preferred form of the powder detergent composition produced in the present invention is a mononuclear detergent composition.
- the mononuclear detergent composition is a detergent produced using the base granules as a core.
- a detergent composition comprising substantially one detergent particle and one base granule as a core.
- the mononuclear detergent composition referred to herein has a particle growth of 1.5 or less, preferably 1.3 or less.
- Particle growth rate (average particle size of detergent composition obtained in step (B)) / (average particle size of base condyles)
- the mononuclear detergent composition suppresses agglomeration between particles, a detergent composition having excellent solubility can be obtained without generating particles (agglomerated particles) outside a desired particle size range. It has the advantage that.
- the sieve passing rate is preferably 90% or more, more preferably 95% or more.
- the test method for the anti-caking property was as follows: a filter paper (ADVANTEC No. 2) was used to make a topless box with a length of 10.2 cm x width 6.2 cm x height 4 cm, and stapled the four corners. .
- An acrylic resin plate (15 g) and a lead plate (250 g) were placed on the box containing 50 g of the sample. This was carried out by determining the passing rate of the following for the caking state after standing for 2 weeks in an atmosphere at a temperature of 35 ° C and a humidity of 40%.
- ⁇ Passage rate> The sample after the test was gently opened on a sieve (mesh size 4 760 rn specified in JISZ 8801), the weight of the powder that passed through was weighed, and the transmittance (%) for the sample after the test was determined. .
- the stainability is preferably evaluated by the following test method if it is at least 2 ranks, and more preferably if it is at 1 rank, to prevent adhesion of the nonionic surfactant-containing powder to the equipment in the transport system, This is preferable because it is not necessary to prevent the container from being stained.
- Test method for spotting property Using the same method as the caking resistance test, the stained state at the bottom of the filter paper container (non-contact surface with powder) after storage for 2 weeks and 1 month was visually evaluated. . The evaluation was made based on the wetted area at the bottom, and the following 1 to 5 ranks were used. Rank 1: Not wet. Rank 2: The surface of about 1Z4 was wet. Rank 3: About 1/2 of the surface was wet. Rank 4: About 34 surfaces were wet. Rank 5: The entire surface was wet.
- the solubility of the detergent composition is preferably 90% or more, more preferably 95% or more.
- the method for measuring the dissolution rate is as follows.
- 1 L of hard water (molar ratio of CaZM g 73) equivalent to 71.2 mgC a C ⁇ 3 ZL cooled to 5 ° C was added to a 1 L beaker (a cylinder with an inner diameter of 105 mm and a height of 15 Omm).
- a stirrer (length: 35 mm; diameter: 8 mm; for example, model: ADVANTEC) is filled in a mold, for example, a 1 L glass beaker manufactured by Iwaki Glass Co., Ltd. (Teflon round pongee type), and agitate at a rotation speed (800 rpm) at which the swirl depth relative to the water depth is about 1 Z3.
- the detergent composition which has been reduced and weighed to 1.0000 ⁇ 0.010 g, is introduced into water with stirring, dispersed, and stirred. After 60 seconds from the introduction, the detergent composition dispersion in the beaker is filtered through a standard sieve (diameter 100 mm) with a standard opening of 74 m with a known opening weight of JISZ 8801 (equivalent to ASTM No. 200). Then, the water-containing detergent composition remaining on the sieve is collected together with the sieve into an open container of known weight.
- the operation time from the start of filtration to collection of the sieve shall be 10 ⁇ 2 seconds.
- the recovered residue of the detergent composition was dried in an electric dryer heated to 105 ° C for 1 hour, and then kept in a desiccator (25 ° C) containing silica gel for 30 minutes. Cooling. After cooling, the total weight of the dried residue of the detergent, the sieve and the collecting container is measured, and the dissolution rate (%) of the detergent composition is calculated by the following formula. The weight shall be measured using a precision balance.
- Dissolution rate (%) u-(TZS) ⁇ X 100
- CS input weight of detergent composition (g); T: when the aqueous solution obtained under the above stirring conditions is applied to the above sieve, the dry weight of the residue of the detergent composition remaining on the sieve (dry conditions
- Surfactant composition 14 was prepared in the same manner as in Preparation Example 5 using EPE nonions shown in Table 1.
- Preparation Example 15
- Surfactant composition 16 was prepared in the same manner as in Preparation Example 4.
- the above polyoxyethylene alkyl ether (100 parts by weight) was heated to 80 ° C., and thereto were added the above dodecylbenzenesulfonic acid (168 parts by weight) and a 48% aqueous sodium hydroxide solution (43.5 parts by weight). Then, the mixture was stirred and a part of the water was heated and evaporated to prepare a surfactant composition 17.
- compositions and physical properties of the obtained surfactant compositions 1 to 17 are shown in Tables 1 to 3.
- the polyalkylene ethylene alkyl ether manufactured by Kao Corporation, trade name: Emulgen 108 KM (average number of moles of ethylene oxide added: 8.5, carbon number of alkyl chain: 12 to 1 4, melting point: 18 ° C).
- the EPE nonion used was Emalgen LS-106 (melting point: 0 ° C or less), manufactured by Kao Corporation.
- Kao Corporation trade name: K-PEG600 (average molecular weight: 850, melting point: 6 (TC)) was used as the polyethylene glycol.
- Kao (dodecylbenzenesulfonate) was used.
- Neoberex FS was used.Launic acid was manufactured by Kao Corporation, and product name: Lunac L-98 was used.Noremitic acid was manufactured by Kao Corporation. Trade name: Lunac P-95 used As stearic acid, manufactured by Kao Corporation, Trade name: Lunac S-98 used, Eicosanoic acid manufactured by Wako Pure Chemical Industries, Ltd. Was used.
- the viscosity of the composition tended to decrease monotonically with increasing temperature.
- the viscosity of the composition shown in Table 1 was a value at 90 ° C. from the viewpoint of handling properties in production and stability of the surfactant.
- the surfactant composition 11 obtained by further adding water to the surfactant composition 10 was reduced in viscosity by the addition of water, and the handling became smoother.
- the viscosity of the composition 17 cannot be measured at 90 ° C. and is 100. C gave a value of 1.5 Pas.
- the penetration hardness of the surfactant compositions 1 to 17 showed the value measured at 35. However, in the composition 15 to 17, no value of 100 g / cm 2 or more was confirmed in a temperature range lower than the pour point of the composition and higher than the melting point of the component (a). The value of the penetration hardness at 0 ° C is also noted.
- Table 2 shows the penetration hardness at each temperature of the surfactant compositions 6 and 16, and the rate of change of the hardness.
- the penetration hardness rises sharply in the range of its pour point (from a temperature lower than 57.5 ° C to a temperature higher than the melting point (18 ° C) of the component a), and the rate of change in the hardness increases. It showed 50 gZcm 2 ⁇ ° C or more.
- the compositions 1 to 5, 7 to 14 However, the same tendency was confirmed.
- no abrupt change in penetration hardness was observed in a temperature range higher than the melting point of the component a), and the rate of change was 2 g / cm 2 ⁇ ° C or less. A similar tendency was confirmed in the compositions 15 and 17.
- Detergent particles were obtained according to the following production method.
- the surfactant composition 1 shown in Table 1 was heated to 80 ° C.
- a ready-mixer manufactured by Matsuzaka Giken Co., Ltd., capacity 20 L, with a jacket
- the stirring of the main spindle (150 rpm) and the chopper (400 rpm) was started.
- hot water of 80 ° C was flowed through the jacket at 10 LZ.
- Powder detergent composition (weight part)
- Difficult 20 30 20 20 10 20 20 20 20 20 10 10 20 20 20 20 Na * 1
- sodium carbonate (* 1) dense ash (average particle size: 290 urn) manufactured by Central Glass Co., Ltd. was used.
- Zeolite type 4A average particle size: 3.5 ⁇ m was used as the crystalline aluminosilicate (* 2).
- Preparation Example 2 described in JP-A-9-132794 was used after being ground to an average particle diameter of 8 m. Its composition was Na 2 0 ⁇ A 1 2 0 3 ⁇ 3Si 0 2 .
- the crystalline silicate (* 6) was obtained by pulverizing Na—SKS—6 ((5-Na 20 ⁇ 2 Si 0 2 ) manufactured by Clariant Tokama Co., Ltd. to an average particle size of 8 m.
- (* 7) was a surface coating agent.
- the surface of the detergent particles was coated with 10 parts by weight of a crystalline aluminosilicate.
- the resulting detergent particles were even better in terms of flowability.
- Table 5 shows the physical properties of the obtained detergent particles (detergent particles 1b).
- Detergent particles (detergent particles 2 to 18) were obtained in the same manner as in Production Example 1 with the compositions shown in Table 4. Table 5 shows the physical properties of the obtained detergent particles.
- detergent particles 1 to 15 are examples
- detergent particles 16 to 18 are comparative examples.
- Comparative Example 18 using the surfactant composition 17 the surfactant composition could not be sprayed due to the high viscosity, and the surfactant composition 17 was scraped out of the container with a spatula. Added directly to the granulator.
- the physical properties of the obtained detergent particles were determined as follows.
- the average particle size was measured from the weight fraction based on the size of the sieve after vibrating for 5 minutes using a JIS Z8801 standard sieve.
- the bulk density was measured by the method of JIS K3362.
- the stainability was measured for the samples after 2 weeks and 1 month, and the cake resistance was measured for the samples after storage for 2 weeks.
- the powder detergent composition 1b having a particle growth of 1.1 was superior to the powder detergent composition 2 having a particle growth of 1.7 in terms of solubility. Further, the powder detergent composition 10 in which all of the powder raw materials consisted of base granules was particularly excellent in solubility. Powder detergent composition 6 containing no fatty acid salt having 20 or more carbon atoms was more excellent in solubility than powder detergent composition 14 containing sodium eicosanoate having 20 carbon atoms. Furthermore, the powder detergent composition 13 containing a fatty acid salt having an average carbon number of 14 was more excellent in solubility than the powder detergent composition 6 containing a fatty acid salt having an average carbon number of 16. Equivalent
- the surfactant composition used in the production of the detergent composition of the present invention has a viscosity low enough to be easily handled in the temperature range during production, while the surfactant composition has a viscosity in the temperature range during storage of the detergent composition.
- the surfactant composition can also have the property of curing the nonionic surfactant in order to suppress bleeding and improve the strength of the detergent composition.
- the detergent composition can be used to produce a detergent composition with less stain of the nonionic surfactant and having a high particle strength of the detergent composition and excellent cakeing resistance.
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99923895A EP1085080B1 (en) | 1998-06-04 | 1999-06-03 | Surfactant composition |
JP2000552244A JP3161710B2 (ja) | 1998-06-04 | 1999-06-03 | 界面活性剤組成物 |
US09/701,781 US6534474B1 (en) | 1998-06-04 | 1999-06-03 | Surfactant composition |
DE69930738T DE69930738T2 (de) | 1998-06-04 | 1999-06-03 | Oberflaechenaktive zusammensetzung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/156493 | 1998-06-04 | ||
JP15649398 | 1998-06-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999063047A1 true WO1999063047A1 (fr) | 1999-12-09 |
Family
ID=15628966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/002982 WO1999063047A1 (fr) | 1998-06-04 | 1999-06-03 | Composition de tensioactif |
Country Status (6)
Country | Link |
---|---|
US (1) | US6534474B1 (ja) |
EP (1) | EP1085080B1 (ja) |
JP (1) | JP3161710B2 (ja) |
CN (1) | CN1222605C (ja) |
DE (1) | DE69930738T2 (ja) |
WO (1) | WO1999063047A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000042162A1 (fr) * | 1999-01-18 | 2000-07-20 | Kao Corporation | Composition de detergent haute densite |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0111862D0 (en) * | 2001-05-15 | 2001-07-04 | Unilever Plc | Granular composition |
GB0111863D0 (en) | 2001-05-15 | 2001-07-04 | Unilever Plc | Granular composition |
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- 1999-06-03 EP EP99923895A patent/EP1085080B1/en not_active Expired - Lifetime
- 1999-06-03 DE DE69930738T patent/DE69930738T2/de not_active Expired - Lifetime
- 1999-06-03 CN CN99809335.1A patent/CN1222605C/zh not_active Expired - Fee Related
- 1999-06-03 JP JP2000552244A patent/JP3161710B2/ja not_active Expired - Fee Related
- 1999-06-03 US US09/701,781 patent/US6534474B1/en not_active Expired - Lifetime
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JPH03269099A (ja) * | 1990-03-19 | 1991-11-29 | Lion Corp | 高嵩密度粒状洗剤組成物 |
JPH04227700A (ja) * | 1990-04-09 | 1992-08-17 | Unilever Nv | 高嵩密度顆粒状洗剤組成物及びその製造方法 |
JPH05202398A (ja) * | 1991-09-27 | 1993-08-10 | Unilever Nv | 洗剤粉末及びその製造方法 |
JPH06128599A (ja) * | 1992-10-15 | 1994-05-10 | Lion Corp | 高嵩密度粒状洗剤の製造方法 |
JPH06166896A (ja) * | 1992-12-01 | 1994-06-14 | Lion Corp | 高嵩密度洗剤組成物の製造方法 |
JPH0959699A (ja) * | 1994-08-12 | 1997-03-04 | Kao Corp | ノニオン洗剤粒子の製造方法 |
JPH0995697A (ja) * | 1995-09-29 | 1997-04-08 | Lion Corp | 粒状ノニオン洗剤組成物およびその製造方法 |
JPH09194878A (ja) * | 1995-11-06 | 1997-07-29 | Kao Corp | 結晶性アルカリ金属ケイ酸塩顆粒の製造方法及び衣料用の高嵩密度粒状洗剤組成物 |
JPH09279196A (ja) * | 1996-04-17 | 1997-10-28 | Kao Corp | 高嵩密度粒状洗剤組成物の製造方法 |
JPH10158699A (ja) * | 1996-12-02 | 1998-06-16 | Kao Corp | 結晶性アルカリ金属ケイ酸塩顆粒の製造方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000042162A1 (fr) * | 1999-01-18 | 2000-07-20 | Kao Corporation | Composition de detergent haute densite |
US7115548B1 (en) | 1999-01-18 | 2006-10-03 | Kao Corporation | High-density detergent composition |
Also Published As
Publication number | Publication date |
---|---|
CN1222605C (zh) | 2005-10-12 |
US6534474B1 (en) | 2003-03-18 |
JP3161710B2 (ja) | 2001-04-25 |
DE69930738D1 (de) | 2006-05-18 |
EP1085080B1 (en) | 2006-04-05 |
CN1311815A (zh) | 2001-09-05 |
EP1085080A4 (en) | 2002-06-12 |
DE69930738T2 (de) | 2007-01-04 |
EP1085080A1 (en) | 2001-03-21 |
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