JPH0987697A - Granular nonionic detergent composition and its production - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a granular nonionic detergent composition showing excellent fluidity at a high temperature and under a high pressure and good dissolving properties and good rinsing properties with foam height lowered by blending a nonionic surface active agent, a nonionic gelling agent, an oil-absorbing carrier, and a silicone. SOLUTION: (A) A nonionic surfactant (for example, polyoxyalkylene alkyl ether), (B) a nonionic gelling agent (for example, 12-hydroxy-stearic acid), (C) an oil-absorbing carrier (for example, amorphous silica) and (D) a silicone (for example, dimethyl-silicone) are blended, and in addition, an inorganic cleansing builder, an organic cleansing builder, a fluorescent agent, an enzyme, a bleaching agent, an antistatic agent, a surface modifier, an anionic surfactant, a resoiling preventive, an extending agent, a reducing agent, an organic acid and the like are appropriately admixed and granulated with a stirring type granulating machine to give the objective detergent composition which is improved in fluidity of detergent particles at a high temperature and humidity, lowered in foam height on washing and suitable for a drum type washing machine with good rising properties.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention comprises, as a main component, a nonionic surfactant having good fluidity under high temperature and high humidity, excellent solubility, low foam height during washing, and good rinsing property. To a granular nonionic detergent composition and a method for producing the same.

[0002]

2. Description of the Related Art Nonionic surfactants generally have a low foaming property, their detergency is hardly affected by the hardness of water, and they are particularly excellent in dirt dispersibility and stain dispersibility at low temperatures. Furthermore, it is an excellent surfactant with good biodegradability, low environmental load, low toxicity and no safety problem. However, nonionic surfactants are generally liquid at room temperature, and there is a concern that the nonionic surfactant may exude from the nonionic granular detergent product into the detergent container. When the nonionic surfactant seeps into the detergent container, the product appearance is deteriorated, and the detergency is reduced due to the reduction of the nonionic surfactant in the container contact portion.
There was a problem that the fluidity and caking resistance of the detergent particles were adversely affected. In JP-A-4-339898, 5-20% of an amorphous oil-absorbing carrier is blended to improve exudation of the nonionic surfactant. However, the nonionic surfactant itself is liquid at room temperature. In particular, there is no change, and especially in the summer when the temperature exceeds 30 ° C., the nonionic surfactant exudes and becomes a problem such that the fluidity of the detergent particles is deteriorated.

On the other hand, recently, a drum type washing machine has been put on the market in Japan, and a detergent having a lower foam height at the time of washing and a better rinsing property is desired. Conventionally, in order to improve the rinsability, for example, in Japanese Patent Application Laid-Open No. 4-30100, it has been proposed to add a specific soap, nonion or silicone, but the foam height during cleaning is large,
It is not enough to use a drum type washing machine.

[0004]

Therefore, the present invention is excellent in fluidity under high temperature and high humidity, has a low foam height at the time of washing suitable for a drum type washing machine, and has excellent rinsability. An object is to provide an excellent granular nonionic detergent composition and a suitable method for producing the same.

[0005]

Means for Solving the Problems As a result of intensive studies to solve the above problems, the present inventor has found that a nonionic surfactant, a nonionic gelling agent, an oil absorbing carrier, and silicone are used in combination. It was found that the fluidity under high temperature and high humidity, the foam height during washing, and the rinsability can be solved at once. Further, such a granular nonionic gel detergent composition, particularly, after premixing the silicone with the nonionic surfactant and the nonionic gelling agent in advance, together with the oil-absorbent carrier, subjected to stirring granulation treatment, it can be suitably produced. I found that I could do it. The present invention has been made based on such new findings. That is, the present invention relates to the following inventions. 1. A granular nonionic detergent composition comprising a nonionic surfactant, a nonionic gelling agent, an oil absorbing carrier, and silicone. 2. A method for producing a granular nonionic detergent composition, which comprises stirring and granulating a nonionic surfactant, a nonionic gelling agent, an oil absorbing carrier, and silicone.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in more detail below. In the present invention, various nonionic surfactants can be used as the nonionic surfactant. Examples of preferable nonionic surfactants include the following. (1) C3-C22, preferably C8-C18 aliphatic alcohol with C2-C4 alkylene oxide on average 3
Polyoxyalkylene alkyl (or alkenyl) ether added to ３０30 mol, preferably 7-20 mol. Among these, polyoxyethylene alkyl (or alkenyl) ether and polyoxyethylene polyoxypropylene alkyl (or alkenyl) ether are preferable. (2) polyoxyethylene alkyl (or alkenyl)
Phenyl ether. (3) A fatty acid alkyl ester alkoxylate represented by the following formula in which an alkylene oxide is added between ester bonds of a long-chain fatty acid alkyl ester. R ¹ CO (OA) _n OR ² (R ¹ CO represents a fatty acid residue having 6 to 22 carbon atoms, preferably 8 to 18 carbon atoms. OA represents 2 to 4 carbon atoms such as ethylene oxide and propylene oxide, preferably 2 to 3 represents an addition unit of alkylene oxide, n represents the average number of moles of alkylene oxide added, and generally 3 to 3
It is a number of 0, preferably 7 to 20. R ² has 1 carbon atom
Represents a lower alkyl group optionally having 3 to 3 substituents. (4) Polyoxyethylene sorbitan fatty acid ester. (5) Polyoxyethylene sorbite fatty acid ester. (6) Polyoxyethylene fatty acid esters. (7) Polyoxyethylene hydrogenated castor oil. (8) Glycerin fatty acid ester.

Among the above nonionic surfactants, polyoxyethylene alkyl (or alkenyl) ethers having a melting point of 40 ° C. or less and an HLB of 9 to 16 and fatty acid methyl ester ethoxylates obtained by adding ethylene oxide to fatty acid methyl ester are particularly preferable. Used for. Further, these nonionic surfactants may be used as a mixture. The nonionic surfactant is preferably contained in the granular nonionic detergent composition in an amount of 15 to 50% by weight, more preferably 15% by weight.
-40% by weight, particularly preferably 15-35% by weight. If this amount is less than 15% by weight, not only the concentration of the nonionic surfactant in the resulting detergent particles will be low but also the bulk density will be low. Therefore, unless the amount of the detergent used is increased, a good cleaning effect cannot be obtained. This is not preferable because it results in a conflict with compactness. It is also not preferable in terms of resource saving.
On the other hand, when it exceeds 50% by weight, it does not cause any particular problem in the case of batch type production, but in the case of continuous type production, the amount attached to the inside of the granulator increases, and stable production is difficult. Is not preferable. The nonionic gelling agent used in the present invention has a function of gelling the nonionic surfactant and solidifying and holding the nonionic surfactant in the granular detergent. By using this nonionic gelling agent, the exudation prevention of the nonionic surfactant, the fluidity of the detergent particles and the caking resistance are greatly improved under high temperature and high humidity. Therefore, various nonionic gelling agents can be used as long as the nonionic gelling agent has such a function. As the nonionic gelling agent used in the present invention, those similar to those conventionally used as oil gelling agents can be used. Among such nonionic gelling agents, those having a maximum compressive stress of 30 g / cm ² or more at 40 ° C. when a specific nonionic surfactant is gelled by the nonionic gelling agent are preferably used. This maximum compressive stress is the weight ratio of a non-ionic gelling agent to be measured to an alcohol ethoxylate type nonionic surfactant (carbon chain length 12, average addition mole number of ethylene oxide of 9, melting point 20 ° C.) which is a general detergent. Mix at 70 ° C on 5/1,
After cooling to 20 ° C and then standing at 20 ° C for 3 hours,
After making a rectangular parallelepiped test piece of 5 cm in length × 5 cm in width × 1 cm in height, a cylindrical jig with a cross-sectional diameter of 1.5 cm is applied to the test piece.
The maximum compressive stress when pressed at a temperature of 20 ° C. and a compression rate of 20 mm / min is measured.

In the present invention, a nonionic gelling agent is added.
The maximum compressive stress under the above conditions is 30 g / cm²Is less than
Of Detergent Particles to be Flowed at High Temperature
There is. The more preferable maximum compressive stress is 50 to 2000.
g / cm² The particularly preferred maximum compressive stress is 100 to 150.
0g / cm² It is. Preferred nonions that can be used in the present invention
Examples of the gelling agent include 12-hydroxystearyl
Acid (Maximum compressive stress 520g / cm² ) (KF Trading
Hydroxystearin (trade name), dibenzylide
Sorbitol (maximum compressive stress 30g / cm² ) (New Japan Science
GELALL D (trade name) manufactured by Kabushiki Kaisha, Lithium stearate
(Maximum compressive stress 50g / cm² ) (L made by KF Trading
i-ST (trade name)), aluminum palmitate (most
Large compressive stress 50g / cm² ) (KF Trading Al-
PL (trade name), lithium 2-ethylhexanoate (up to
Large compressive stress 66g / cm ² ) (KF Trading Li-
2EH (trade name)), 12-hydroxystearic acid
Lumilium (maximum compressive stress 126g / cm² ) (KF tray
Al-OHST (trade name) manufactured by Ding, Lauroylg
Dibutyl glutamic acid (maximum compressive stress 200g / cm
² ) (Ajinomoto Coagulant GP-1 (trade name))
Uroylglutamic acid stearylamide (maximum compressive stress
53g / cm² ) (Made by Ajinomoto), dicaproyl lysine lauri
Luamide (maximum compressive stress 183g / cm² ) (Made by Ajinomoto),
Dicaproyl lysine lauramide (maximum compressive stress 91
g / cm² ) (Made by Ajinomoto), dicaproyl lysine laurylue
Stell (maximum compressive stress 45g / cm² ) (Made of Ajinomoto), lau
Roylphenylalanine lauramide (maximum compressive stress
37g / cm² ) (Made by Ajinomoto), polystyrene polybutadier
Block copolymer (molecular weight: 200,000, composition: police
Tylene / polybutadiene = 40/60) (maximum compressive stress)
60g / cm² ) (KF Trading KF21 (Product
Name)), polyacrylamide (molecular weight: 100,000) -iso
Paraffin mixture (maximum compressive stress 83g / cm² ) (Fuso Ko
Sora gum SD401 (trade name), polystyrene
Block copolymers of blocks and polybutadiene blocks
-(Molecular weight: 100,000, Composition: Polystyrene / Polybutadi)
EN = 30/70) (Maximum compressive stress 48g / cm)² ) (KF
Trading), dextrin palmitate
(Maximum compressive stress 80g / cm² ) (Chiba Milling Leopard)
KL (trade name)) or a mixture thereof
Can be. Mix these nonionic gelling agents.
And can provide the desired maximum compressive stress
You.

In the present invention, the nonionic gelling agent is
It is preferably contained in the granular nonionic detergent composition at 0.1 to 30% by weight, more preferably 0.5 to 20% by weight, particularly preferably 1 to 10% by weight. If this amount is less than 0.1% by weight, the fluidity of the resulting detergent particles under high temperature and high humidity tends to be significantly deteriorated, which is not preferable. On the other hand, if it exceeds 30% by weight, the solubility of the resulting detergent particles tends to deteriorate, which is not preferable. The oil-absorptive carrier used in the present invention has the function of suppressing the exudation of nonion and the solidification of detergent particles under high temperature and high humidity, while improving the solubility of the detergent when the detergent is used. The oil-absorbent carrier adsorbs nonionic surfactant.
It is a porous fine powder that is sufficient to retain and physically adsorbs the nonionic surfactant, while not swelling by it. As a preferable oil absorbing carrier, JIS-K
The oil absorption represented by 6220 test method is 80 ml / 100 g or more, preferably 150 to 600 ml / 100 g of oil absorption, and the bulk density is less than 0.1 g / cc, preferably 0.001 to
A material that is 0.08 g / cc is preferably used. As such an oil-absorbing carrier, for example, amorphous silicic acid (oil absorption: 2
50 ml / 100 g, bulk density: 0.06 g / cc (Tokuse Tokusil, Nippon Aerosil Aerosil, Nippon Silica Nipseal), amorphous calcium silicate (oil absorption: 450)
ml / 100g, bulk density: 0.03g / cc) (Tokuso Fluorite, Cofran Chemical Thixolex), amorphous aluminosilicate (oil absorption: 150ml / 100g, bulk density: 0.0)
8g / cc), magnesium silicate (oil absorption: 180ml / 100)
g, bulk density: 0.08 g / cc), magnesium carbonate (oil absorption: 150 ml / 100 g, bulk density: 0.08 g / cc), calcium carbonate (oil absorption: 710 ml / 100 g, bulk density: 0.09 g / c)
c), spinel (oil absorption: 600ml / 100g, bulk density: 0.
008g / cc), cordierite (oil absorption: 600ml / 1
00g, bulk density: 0.008g / cc), mullite (oil absorption: 5)
60 ml / 100 g, bulk density: 0.009 g / cc, starch degradation product (oil absorption: 200 ml / 100 g, bulk density: 0.06 g / cc) (Pineflow manufactured by Matsutani Chemical Co., Ltd.) and the like. Moreover, these oil-absorbing carriers may be used as a mixture.

The oil-absorbent carrier is preferably contained in the granular nonionic detergent composition in an amount of 0.1 to 20% by weight, more preferably 0.5.
˜15% by weight, particularly preferably 1 to 10% by weight. When this amount is less than 0.1% by weight, the solidification property of the obtained detergent particles under high temperature and high humidity is significantly deteriorated, which is not preferable. On the other hand, when it exceeds 30% by weight, the amount of fine powder of the obtained detergent particles increases and dust is apt to occur. The silicone used in the present invention has the function of improving the foam height and the rinsability during washing. As such silicone, for example, dimethyl silicone oil, silicone emulsion, silicone fluoride and the like can be preferably used. Specific silicones include, for example, dimethyl silicone oil (SH200 and SH8 manufactured by Toray Silicone Co., Ltd.).
710, KF96 manufactured by Shin-Etsu Chemical Co., Ltd., TSF465 manufactured by Toshiba Silicone Co., Ltd., L-4 manufactured by Nippon Unicar Co., Ltd.
5) and epoxy-modified silicone oil (SF8411 manufactured by Toray Silicone Co., Ltd., KF10 manufactured by Shin-Etsu Chemical Co., Ltd.)
1), amino-modified silicone oil (SF8417 and SM8702 manufactured by Toray Silicone Co., Ltd., KF857 manufactured by Shin-Etsu Chemical Co., Ltd.), polyether-modified silicone oil (SH3771 manufactured by Toray Silicone Co., Ltd., KF351 manufactured by Shin-Etsu Chemical Co., Ltd.), Alkyl aralkyl modified silicone oil (SH203 manufactured by Toray Silicone Co., Ltd.), Carboxyl modified silicone oil (SF8418 manufactured by Toray Silicone Co., Ltd., X-22-3 manufactured by Shin-Etsu Chemical Co., Ltd.)
710), fluorosilicone oil (FS1265 manufactured by Toray Silicone Co., Ltd., FL10 manufactured by Shin-Etsu Chemical Co., Ltd.)
0), a silicone emulsion (SH manufactured by Toray Silicone Co., Ltd.
5510 and SM5511, Shin-Etsu Chemical Co., Ltd. KM83
A and KM89, TSA73 manufactured by Toshiba Silicone Co., Ltd.
2. LE-48 and SAG-3 manufactured by Nippon Unicar Co., Ltd.
0) etc. can be mentioned.

The silicone is preferably contained in the granular nonionic detergent composition in an amount of 0.01 to 10% by weight, more preferably 0.001% by weight.
It is contained in an amount of 05 to 5% by weight, particularly preferably 0.1 to 3% by weight. If this amount is less than 0.01% by weight, the effect of improving the foam height and rinsing property at the time of washing obtained is not so improved, which is not preferable. On the other hand, if it exceeds 10% by weight,
The resulting detergent particles become hydrophobic and the solubility decreases, which is not preferable. In the granular nonionic detergent composition of the present invention, the following components which are usually blended in detergents can be blended, and these may be blended in the granulation treatment step, and obtained by the granulation treatment. It may be mixed with the detergent particles. (1) As an inorganic cleaning builder, sodium carbonate, potassium carbonate, sodium silicate, potassium silicate, crystalline zeolite, sodium tripolyphosphate, sodium pyrophosphate, etc. (2) As organic washing builders, citrate, succinate, polyacrylate, polyacrylic acid-maleic acid copolymer, EDTA and the like. (3) Bis (triazinylamino) stilbene disulfonic acid derivatives, bis (sulfostyryl) biphenyl salts [Tinopearl CBS], etc. as fluorescent agents. (4) As the enzyme, lipase, protease, cellulase, amylase and the like. (5) As a bleaching agent, percarbonate, perborate and the like. (6) Cationic surfactants such as dialkyl-type quaternary ammonium salts as antistatic agents. (7) As surface modifiers, fine calcium carbonate, fine zeolite, polyethylene glycol and the like. (8) As the anionic surfactant, α-sulfo fatty acid methyl ester salt, linear alkylbenzene sulfonate,
α-olefin sulfonate, alkyl sulfate, fatty acid soap and the like. (9) Cellulose derivatives such as carboxymethyl cellulose as a redeposition preventing agent. (10) As a bulking agent, sodium sulfate, potassium sulfate, sodium chloride and the like. (11) As a reducing agent, sodium sulfite, potassium sulfite and the like. (12) As the organic acid, malic acid, succinic acid, citric acid and the like.

The granular nonionic detergent composition of the present invention is charged into a stirring granulator together with a nonionic surfactant, a nonionic gelling agent, an oil-absorbing carrier, silicone, and other optional components, and is subjected to stirring granulation treatment. Can be obtained by Preferably, the nonionic surfactant, the nonionic gelling agent, and the silicone are mixed in advance before the stirring granulation process. As described above, the reason for mixing these components in advance is to prevent contact with other detergent components, particularly alkaline components as much as possible, and prevent the silicone from deteriorating. The mixing is preferably performed at a temperature of, for example, 60 ° C. or higher, preferably 60 to 90 ° C., and particularly preferably 70 to 80 ° C. By mixing these components at a temperature of 60 ° C. or higher, uniform mixing can be achieved.
The stirring granulation is usually 20 to 60 ° C., preferably 3
It is carried out at 0 to 50 ° C, particularly preferably at 35 to 50 ° C.
If the temperature is lower than 20 ° C, granulation becomes difficult to proceed, which is not preferable. On the other hand, if the temperature exceeds 60 ° C., on the other hand, the adhesion in the granulator increases and the load tends to be excessive, which is not preferable. The processing time in the agitation granulator is usually 1
-10 minutes, preferably 2-8 minutes. The granular nonionic detergent composition thus obtained usually has a bulk density of 0.3.
~ 1.2 g / cc, preferably 0.5-1 g / cc as a compact. Further, the granular nonionic detergent composition is generally
Average particle size 300-3000 μm, preferably 350-2
000 μm, particularly preferably 400 to 1000 μm.

The stirring granulator used in the present invention includes:
An internal stirring type granulator having a stirring blade inside the granulator such as a high speed mixer, a Sugi mixer, and a Loedige mixer, and having a clearance of 30 mm or less between the stirring blade and the inner wall surface of the granulator. Are preferably used for obtaining high bulk density detergent particles. Further, to the detergent particles that have been subjected to the stirring and granulation treatment, silicone particles obtained by adsorbing an enzyme, a fragrance, and silicone to a neutral inert powder such as silicic acid anhydride may be added later.

[0014]

EXAMPLES The present invention will be described in more detail with reference to Examples and Comparative Examples. In the examples and comparative examples, each sample was evaluated by the following test methods. [Solubility test] Tap water at 5 ° C was put into a 500 ml beaker, 5 g of the detergent composition was put therein, and the mixture was stirred for 5 minutes. next,
Remove the undissolved detergent particles onto a nylon cloth and
After drying at 0 ° C. for 2 hours, the dissolution residue represented by the following formula 1 was calculated and evaluated according to the following criteria. Formula 1: Melt residue (%) = {(molten residue 105 ° C. for 2 hours dried product g) / 5 g} × 100 ◎: 0% ≦ melt residue <1% ○: 1% ≦ melt residue <5% Δ: 5% ≤ dissolution residue <10% x: 10% ≤ dissolution residue%

[Flowability Test] The angle of repose at 45 ° C. was measured by the discharge method based on JIS Z2502. [Foam height during washing] Drum type washing machine (BOSCH V
(463 type), 60 g of detergent, 100 liters of tap water at 20 ° C., and 30 pieces of cotton towels were put therein, and after washing for 10 minutes, the foam height was evaluated according to the following criteria. ◯: Foam did not drop too much Δ: Foam did not overflow from the washing machine X: Foam overflowed from the washing machine [Rinseability] A cotton towel after washing was washed with 100 ° C tap water at 100 ° C.
After rinsing with liter for 3 minutes twice, the foam height was measured and evaluated according to the following criteria. A: Bubble height less than 5 ml B: Bubble height 5 ml or more and less than 10 ml X: Bubble height 10 ml or more [bulk density] The bulk density was measured according to JIS Z2504. [Dust] A spoonful (about 20 g) of detergent was dropped from a height of 70 cm into the washing machine, and the state of dust generation was visually evaluated according to the following criteria. No: No powder at all Little: Mist-like powder was generated near the water surface Many: Powder was generated over the washing machine [Adhesion test on granulator] After discharging granulated detergent particles The granulator was opened, and the amount of the detergent attached to the inner side wall and the stirring blade was visually evaluated according to the following criteria. None: No adhesion at all Slight: Thin and slightly adhered Large: Large amount adhered

Examples 1 to 5 and Comparative Examples 1 and 2 Nonionic gelling agents, fluorescent agents, and silicones were mixed and dissolved in the amounts of nonionic surfactants shown in Table 1 below at 80 ° C. to prepare nonionic solutions. Manufactured. On the other hand, an oil-absorbing carrier,
Sodium carbonate, sodium sulfite, and A-type zeolite were added to a Ledige mixer (Matsubo Co., Ltd., M-20).
It is put into a mold and the main shaft (200 rpm) and the chopper (6
These raw material components were uniformly mixed under stirring (000 rpm). Next, the nonionic solution was added using a pressure nozzle (ike MK120 in the pond, spraying pressure 5 kg / cm ² ) and granulation treatment was performed until the average particle diameter became 500 μm. Finally, A-type zeolite was added in the rolling drum, the agitation granulated particles were coated, and other optional components such as enzymes and flavors were added to obtain a granular nonionic detergent composition having the properties shown in Table 1. . Example 6 A granular nonionic detergent composition shown in Table 1 was obtained in the same manner as in Example 1 except that silicone was directly added to the Loedige mixer. [Raw Materials] The nonionic surfactant, nonionic gelling agent, oil-absorbent carrier, and silicone used in Examples and Comparative Examples are as follows. Nonionic Surfactant (1) Nonionic Surfactant-1 C ₁₂ H ₂₅ O (CH ₂ CH ₂ O) ₇ H (Nippon Science Co., Ltd.)
Ltd. Konoru polyoxyethylene alkyl ether obtained by averaging 7 moles addition of ethylene oxide to 20P) (2) nonionic surfactant _{-2 C 13 H 27 O (CH} 2 CH 2 O) 15 (CH 2 CH 2 CH 2
O) ₃ H (Ethylene oxide on average in diadol is 15
Mol, propylene oxide on average 3 mol added polyoxyethylene polyoxypropylene alkyl ether) (3) Nonionic surfactant -3 C ₁₁ H ₂₃ CO (OCH ₂ CH ₂ ) ₉ OCH ₃

Nonionic gelling agent (1) Nonionic gelling agent-1 12-hydroxystearic acid (Kawaken Fine Chemical Co., Ltd.) (2) Nonionic gelling agent-2 N-lauroylglutamic acid dibutylamide (Ajinomoto Co., Inc.) ( 3) Nonionic gelling agent-3 Mixture of block copolymer composed of polystyrene block and polybutadiene block and polynorbornene (KF Trading Co., Ltd., KF21) Oil absorbing carrier (1) Oil absorbing carrier-1 Amorphous Silica (Tokushiru N manufactured by Tokuso Corporation, oil absorption amount 250 ml / 100 g) (2) Oil absorbing carrier-2 crystalline calcium silicate (Fluorite R manufactured by Tokuso Corporation, oil absorption amount 450 ml / 100 g)) (3) Oil absorption Carrier-3 Amorphous sodium aluminosilicate (oil absorption 150 ml / 100
g)) Silicone dimethyl silicone oil (manufactured by Shin-Etsu Chemical Co., Ltd.)

[0018]

[Table 1] Table 1 Examples Comparative Examples Composition (wt%) 1 2 3 4 5 6 1 2 Nonionic surfactant 1 10 24 10 5 25 24 24 24 2 1 1 1 2 3 1 1 1 3 4 20 33 20 Nonionic gelling agent 1 3 4 0.2 6 8 4 4 2 13 1 3 13 Oil absorbing carrier 1 1 2 9 2 2 2 2 2 9 0.1 8 2 2 2 3 5 6 6 6 6 Silicone 0.02 0.3 3 8 1 0.3 0.3 A type Zeolite (for granulation) 15 20 15 22 15 20 24 20 (for coating) 0.5 1 1 2 2 1 1 1 Heavy soda ash 15 4 1 4 4 4 Light soda ash 20 15 10 10 20 20 20 Sodium sulfite 1 1 1 1 1 1 1 1 Sodium silicate 3 1 Sodium chloride 1 1 1 1 1 STPP 5 1 1 1 1 1 1 Layered polysilicate 1 5 2 1 5 5 5 Soap 1 0.5 0.5 0.5 0.5 0.5 AA-MA 1 2 0.5 2 2 2 CMC-Na 0.1 0.1 0.1 0.1 Sodium citrate 6 1 PEG 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Fluorescent agent 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 Enzyme 0.3 0.5 1 1 1 0.5 0.5 0.5 Perfume 0.1 0.1 0.1 0.2 0.2 0.1 0.1 0.1 Other Minor components Bla * Bla Bla Bla Bla Bla Bla Bla Evaluation results Dissolved Property ○ ◎ ◎ ○ ◎ ◎ ◎ ◎ ◎ Angle of repose (°) 35 35 45 40 38 35 80 35 Bulk density (g / cc) 0.81 0.9 0.9 0.9 0.9 0.9 0.9 0.9 Bubble height △ ○ △ ○ ○ △ × × Rinseability △ ○ ○ ○ ○ △ △ × Konadachi Mu nothingness Mu NO NO nothingness little attachment to the No No No No No granulator slightly No No No Note) Bla * means the remaining amount.

The substances used in Table 1 above are as follows. A-type zeolite: crystalline sodium aluminosilicate (manufactured by Mizusawa Chemical Co., Ltd., Shilton B) Heavy soda ash: Granular ash (manufactured by Asahi Glass Co., Ltd.) Light soda ash: Light ash (manufactured by Asahi Glass Co., Ltd.) Sodium sulfite: Sodium sulfite (manufactured by Shinshu Chemical Co., Ltd.) Sodium silicate: JIS No. 2 water glass (manufactured by Nippon Kagaku Kogyo Co., Ltd.) Sodium chloride: reagent grade sodium chloride (manufactured by Junsei Chemical Co., Ltd.) STPP: Sodium tripolyphosphate (Junsei Chemical ( stock)
Layered polysilicate: SKS-6 (Hoechst Japan) Soap: 1/1 mixture of sodium laurate and sodium oleate (manufactured by Lion Oleochemical Co., Ltd.) AA-MA: Acrylic acid and maleic acid 7/3 Copolymer, average molecular weight 50,000 CMC-Na: carboxymethyl cellulose (manufactured by Daicel Chemical Co., Ltd. 1170) Sodium citrate: reagent grade sodium citrate (manufactured by Junsei Chemical Co., Ltd.) PEG: polyethylene glycol (Lion Chemical Co., Ltd.)
Co., Ltd., average molecular weight 6000) Fluorescent agent: 4,4′-bis (2-sulfostyryl) biphenyl disodium (Ciba-Geigy Co., Ltd., Tinopearl CBS-X) Enzyme: lipase / protease / cellulase = 1/1 /
1 mixture

[0020]

According to the present invention, a nonionic surfactant,
By mixing a nonionic gelling agent, an oil absorbing carrier, and silicone, the fluidity of detergent particles under high temperature and high humidity can be improved, and the foam height during washing suitable for use in a drum type washing machine can be suppressed and rinsed. A granular nonionic detergent composition having good properties is obtained.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification number Reference number within the agency FI Technical indication location C11D 3/37 C11D 3/37 (72) Inventor Seiji Abe 1-3 chome, Sumida-ku, Tokyo No. 7 within Lion Corporation

Claims (2)

[Claims] 1. A granular nonionic detergent composition comprising a nonionic surfactant, a nonionic gelling agent, an oil absorbing carrier, and silicone. 2. A method for producing a granular nonionic detergent composition, which comprises stirring and granulating a nonionic surfactant, a nonionic gelling agent, an oil absorbing carrier, and silicone.