CN116179282A - Concentrated laundry bead composition of all-nonionic system and preparation method thereof - Google Patents

Abstract

The invention relates to a concentrated laundry bead composition of an all-nonionic system, which comprises the following components in percentage by mass: nonionic surfactant, nonionic dispersant, liquid essence, enzyme, auxiliary agent and solvent. The invention realizes a concentrated laundry detergent bead composition of an all-nonionic system, and the composition realizes that the nonionic surfactant, the nonionic dispersant and the liquid essence form good synergistic effect when the nonionic surfactant is more than 40%, so that the packaged concentrated laundry detergent bead has the advantages of low foaming, easy rinsing and decontamination capability and stronger fragrance retention effect.

Description

Concentrated laundry bead composition of all-nonionic system and preparation method thereof

Technical Field

The invention relates to the technical field of daily chemical products, in particular to a concentrated laundry bead composition of an all-nonionic system and a preparation method thereof.

Background

Due to the improvement of living standard, people not only meet the cleaning force intensity in the aspect of washing, but also pay more attention to the smell of the washing agent and the fragrance retaining effect of clothes for more young people after 90 and 00 days.

At present, a high surfactant is added into a concentrated laundry gel bead formula, wherein the anionic surfactant accounts for a relatively high proportion, and the surface activity of anions with relatively large smell such as commonly used sulfonic acid, AES, MES and the like often influences the fragrance and stability of added liquid essence, so that the fragrance retaining effect after washing clothes is influenced. In the prior art, people often add fragrance-retaining beads or softener with fragrance-retaining effect in the washing process to achieve the good fragrance-retaining effect. This not only increases the washing cost, but also wastes resources. In addition, in the concentrated detergent, the enzyme is incompatible due to the influence of ions in the enzyme and the surfactant, so that the addition amount of the enzyme in the concentrated detergent is not more than 2%, thereby ensuring the stability of the system.

In the prior art, such as CN104603255A, perfume microcapsules are added, perfume is deposited on clothes for fragrance retention in the washing process, but the added microcapsules are very soluble in the existing gel bead formula, so that layering or serious liquid discoloration are easy to occur. At present, after liquid essence is added into the product, the microcapsule is added again to influence the smell of the original essence, the smell of the liquid essence is almost completely covered, and the use feeling of consumers is rapidly reduced. The low pH cleaning compositions containing enzymes of CN104508103a mainly adjust pH to ensure enzyme stability, and the enzymes of CN101072872a are stabilized mainly by adding some stabilizers, so how to make the concentrated laundry gel products have stronger cleaning power and ensure compatibility of enzymes and washing systems, thus realizing high content of liquid perfume and high content of enzymes to be combined with the systems is a great challenge for industry.

The nonionic surfactant is not in an ionic state in a solution in the detergent, so that the nonionic surfactant has high stability, is not easily influenced by strong electrolyte, is not easily influenced by acid and alkali, has good compatibility, has good solubility in various solvents and does not generate strong adsorption on the solid surface. Nonionic surfactants are mostly in liquid and slurry form, and their solubility in water decreases with increasing temperature. The nonionic surfactant has good washing, dispersing, emulsifying, foaming, wetting, solubilizing, antistatic, leveling, corrosion preventing, sterilizing, colloid protecting and other performances, and can well play a role in washing. The nonionic property can be well fused with the liquid essence and the enzyme preparation, and the odor of the liquid essence, the effect of the enzyme preparation and the like are not affected, so that the stability of the liquid essence and the enzyme preparation in the laundry gel beads is enhanced.

However, when nonionic surfactants are not formulated with anionic surfactants, but are used directly in the liquid washing field, the cleaning effect is often reduced due to the lack of synergistic anti-soil effects of the anionic surfactants. This has led to a great limitation in the use of washing products based on all nonionic surfactants.

In view of the foregoing, there is a need to develop a new technical solution, which ensures the efficient cleaning ability of the detergent on the one hand, and has the lasting fragrance of the product on the other hand, so as to solve the problems existing in the prior art and meet the current market demands.

Disclosure of Invention

Based on this, the present invention provides a concentrated laundry bead composition of an all nonionic system to overcome the deficiencies of the prior art. The composition realizes that the product has excellent detergency and stronger fragrance-retaining effect when the nonionic surfactant is more than 40 percent. The reason for this is that the addition of the nonionic dispersant (low molecular polyether) promotes the nonionic polarity between the specific nonionic surfactant, nonionic dispersant and liquid essence, forming a good synergistic effect.

It is an object of the present invention to provide a concentrated laundry bead composition of an all-nonionic system comprising a liquid component and a water-soluble film,

the liquid component comprises the following components in percentage by mass:

wherein, the liquid crystal display device comprises a liquid crystal display device,

the nonionic dispersant is low molecular polyether;

the liquid component is at 25deg.C, 1000 ^-1 The shear viscosity of the composition is in the range of 100 to 500cps as measured below.

Further, the nonionic surfactant is selected from one or more of fatty alcohol alkoxylates, polyethylene oxide alkyl ethers, alkyl polyglycosides, fatty acid alkoxylates, fatty acid ethoxylates, fatty acid alkyl alcohol amides, ethoxylated sorbitan esters.

Further, the low molecular polyether is selected from one or more of glycerol polyoxyethylene ether, polyoxyethylene, polyoxypropylene block polyether, alkylphenol polyoxyethylene polyoxypropylene ether, allyl alcohol polyoxyalkylene alkyl ether or polyoxyethylene-polyoxypropylene copolyether.

Further, the liquid component comprises the following components in percentage by mass:

further, the adjunct is selected from at least one of a self-builder, a structurant or thickener, a clay soil removal/anti-redeposition agent, a polymeric detergent, a polymeric dispersant, a polymeric grease cleaner, an enzyme stabilizing system, a bleaching compound, a bleach activator, a bleach catalyst, a whitening agent, a dye, a hueing agent, a dye transfer inhibitor, a chelant, a suds suppressor, a softener, a perfume.

Further, the enzyme preparation is selected from the group consisting of enzyme preparations including, but not limited to: at least one of protease, alpha-amylase, cellulase, hemicellulase, phospholipase, esterase, lipase, peroxidase/oxidase, pectinase, lyase, mannanase, cutinase, reductase, xylanase, pullulanase, tannase, pentosanase, maltose, arabinase, beta-glucanase.

Further, the solvent is selected from at least one of water, monohydric alcohol, or polyhydric alcohol.

Further, the polyhydric alcohol is at least one selected from glycerol, propylene glycol, diethylene glycol, dipropylene glycol methyl ether, polyalkylene glycol, and butylene glycol.

Another object of the present invention is to provide a method for preparing the concentrated laundry bead composition of the above all nonionic system, comprising the steps of:

s1, adding nonionic and nonionic dispersing agents into a constant-temperature dispersing device, and heating and uniformly stirring;

s2, adding the liquid essence and the solvent, and uniformly stirring;

s3, adding an auxiliary agent, and stirring until the auxiliary agent is completely dissolved and has uniform appearance;

s4, adding enzyme, and stirring until the appearance is uniform to obtain a liquid component;

s5, encapsulating the liquid component by using a water-soluble film to obtain the concentrated laundry bead composition of the all-nonionic system.

The invention has the following beneficial effects:

according to the concentrated laundry gel bead composition of the all-nonionic system, on one hand, the formula surface activity is completely combined by using specific nonionic surfactants, so that the mild and effective cleaning force is ensured; on the other hand, the nonionic dispersing agent is added to enhance the nonionic polarity among a large amount of liquid essence, enzyme preparations and nonionic, so that the formula not only ensures the viscosity, but also has the effects of fragrance retention and cleaning force enhancement; the PVA water-soluble film is packaged into quantitative laundry gel beads, and has good stability and pressure resistance. We also found unexpectedly that when the nonionic surfactant is matched with a large amount of liquid essence and enzyme preparation, the stability of the fragrance of the liquid essence and the enzyme preparation in surface activity can be well ensured due to the factor of adding the nonionic dispersant, and the compatibility among the three components becomes better, and the problems of high-temperature color change and precipitation are obviously slowed down, so that the packaged concentrated laundry gel has better detergency and stronger stability.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the following examples are set forth. The starting materials, reactions and workup procedures used in the examples are those commonly practiced in the market and known to those skilled in the art unless otherwise indicated.

The words "preferred," "more preferred," and the like in the present disclosure refer to embodiments of the present disclosure that may provide certain benefits in some instances. However, other embodiments may be preferred under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.

It should be understood that all numbers expressing, for example, amounts of ingredients used in the specification and claims, except in any operating example or otherwise indicated, are to be understood as being modified in all instances by the term "about". Accordingly, unless indicated to the contrary, the numerical parameters set forth in the following specification and attached claims are approximations that may vary depending upon the desired properties to be obtained by the present invention.

The components in the invention comprise:

1. nonionic surfactant

The nonionic surfactant is at least one selected from fatty alcohol alkoxylate, polyethylene oxide alkyl ether, alkyl polyglycoside, fatty acid alkoxylate, fatty acid methyl ester ethoxylate, fatty acid alkyl alcohol amide, and ethoxylated sorbitan ester.

Specifically, the fatty alcohol alkoxylate has the general formula:

wherein n is 6-24; x represents an average degree of ethoxylation, preferably from 0.5 to 30, and y is from 0 to 10.

The fatty alcohol alkoxylate is a product of ring-opening polymerization of fatty alcohol and alkylene oxide under the action of a basic catalyst, and thus is a mixture. Fatty alcohols include straight chain alcohols or branched chain isomeric alcohols. Alkoxy groups include ethoxy groups and propoxy groups. The fatty alcohol is preferably a fatty alcohol having 8 to 18 carbon atoms, preferably: at least one of hexanol, octanol, decanol, 2-ethyl hexanol, 3-propyl heptanol, lauryl alcohol, iso-tridecyl alcohol, tetradecyl alcohol, cetyl alcohol, palm oleyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, linoleyl alcohol, and linolenyl alcohol; x is preferably 2 to 12. For example: SHELL NEODOL linear fatty alcohol ethoxylate products, DOW ECOSURFEH ethoxylated and propoxylated 2-ethyl hexanol products, BASF Lutensol XL ethoxylated and propoxylated 3-propyl heptanol products, and BASF Lutensol XP ethoxylated 3-propyl heptanol products.

In particular, the alkylpolyglycoside has the general formula:

wherein n is 6-24, p is 1.1-3, preferably n is 8-16. Such as the BASF Glucopon series alkyl glycoside products.

Specifically, the fatty acid alkoxylate is an ethoxylated fatty acid ester, the carbon number of the fatty acid is 8-18, and the average ethoxylation degree is 2-10. Preferably an ethoxylated alkyl sorbitan ester such as the product of the Corda company Tween series.

Specifically, the fatty acid alkyl alcohol amide has an alkyl alcohol number of 0 to 2. Preferably mono-, di-and isopropanolamides with fatty acid carbon numbers of 8-18; such as coconut diethanolamide.

Specifically, fatty acid methyl ester ethoxylates have the following general formula:

wherein n is 6-24, x is 2-20; preferably n is 8 to 18 and x is 4 to 10.

Specific polyethylene oxide alkyl ethers have a carbon number of 8 to 14, preferably 12 to 14.

Nonionic surfactants also include polyether surfactants, which are polymers containing repeat units of ethylene oxide and/or propylene oxide, such as the Pluronic series of BASF corporation.

2. Solvent(s)

The solvent includes water, an amino-free functional group, and an organic solvent having an amino functional group, wherein the amino-free functional group may include a solvent selected from the group consisting of: monohydric alcohols such as ethanol, propanol, butanol, isopropanol; diols such as diethylene glycol, propylene glycol, butylene glycol and diols (wherein the hydroxyl groups present in the diol are attached to adjacent atoms); polyalkylene glycols such as polyethylene glycol; polyols such as glycerol; alkoxylated glycerin, alkoxylated glycol, and combinations thereof. The organic solvent without amino functional groups may comprise a solvent selected from the group consisting of: glycerol, ethanol, propylene glycol, diethylene glycol, dipropylene glycol, polyalkylene glycols (e.g., PEG 4000), butylene glycol, and combinations thereof.

3. Enzyme preparation

The enzyme preparation comprises 2-10wt%, preferably 2-8wt% of the composition. Enzyme preparations are mainly used to provide cleaning and care for fabrics. The enzyme preparation includes but is not limited to: proteases, alpha-amylases, cellulases, hemicellulases, phospholipases, esterases, lipases, peroxidases/oxidases, pectinases, lyases, mannanases, cutinases, reductases, xylanases, pullulanases, tannase, pentosanases, maltoglycans, arabinanases, beta-glucanases. The enzyme preparation is usually at least one of protease, amylase, lipase, cutinase and cellulase.

4. Auxiliary agent

The concentrated liquid detergent composition of the present invention having a high surfactant content and being stable may further comprise a detergency builder which is essentially the following: at least one of fluorescent whitening agent, thickener, regulator, preservative, colorant, color stabilizer and liquid essence, and its weight percentage content in the composition is 0.01-10%, preferably 1-8%.

(1) Preservative agent

The preservative is at least one selected from phenoxy alcohol, sodium benzoate, isothiazolinone and derivatives thereof, such as methyl isothiazolinone, methyl chloroisothiazolinone, and benzisothiazolinone. The preservative is present in the composition in an amount of 0.001-5% by weight, preferably 0.01-2% by weight.

(2) Thickening agent

The thickener is selected from cellulose thickener and polyacrylic thickener, wherein the cellulose thickener comprises methyl cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl methylcellulose, etc., the polyacrylic thickener is generally polymerized by three or more monomers, and the main monomer is generally carboxylic monomer such as acrylic acid, maleic acid or maleic anhydride, methacrylic acid, etc.; the second monomer is typically an acrylate or styrene; the third monomer is a monomer having a crosslinking effect, such as N, N-methylenebisacrylamide, butylene diacrylate or dipropylene phthalate, etc., and the thickener is contained in an amount of 0.1 to 5% by weight, preferably 1 to 5% by weight, in the composition.

In the following examples, all contents are weight percent (%), unless otherwise indicated; all formulation and testing occurred at 25 ℃. The following abbreviations will be used in the examples and have the indicated functions.

DPM: dipropylene glycol methyl ether, solvent;

APG: alkyl glycoside with carbon chain length of 6-10, nonionic surfactant and effective matter content of about 50%;

1309: isomeric tridecyl alcohol polyoxyethylene ether and nonionic surfactant;

AEO9: ethoxylated fatty alcohols, average degree of ethoxylation of 9, nonionic surfactant;

XL-80: ethoxylated isomeric dodecanol, average degree of ethoxylation of 8, nonionic surfactant;

AES: ethoxylated fatty alcohol sulfate, fatty alcohol with 10-14 carbon atoms, average ethoxylation degree of 2, anionic surfactant and effective matter content of 70%;

MES: fatty alcohol ether disodium sulfosuccinate monoester, anionic surfactant;

k12: sodium lauryl sulfate, anionic surfactant;

HC200: polyacrylic acid polymer, thickener and road rinse product;

glycerol polyether: glycerol polyoxyethylene ether, nonionic dispersant, CAS number 31694-55-0

Liquid essence: flower and fruit fragrance-fresh one summer, qixian Hua Du product;

protease: alkaline protease, product of Novozymes company under the trade name Savinase Ultra 16XL;

preservative: methyl isothiazolinone and chloromethyl isothiazolinone mixtures.

The concentrated laundry bead compositions of an all nonionic system of examples 1-6, comparative examples 1-4 and corresponding laundry bead products were tested for each component and corresponding mass fractions and viscosity as shown in tables 1 and 2.

Viscosity test: the test was performed using a Shanghai heptylparaben instruments and Equipment Co., ltd., NDJ-8S viscometer at 25℃and 1000 ^-1 The measurement is performed as follows.

TABLE 1 Components and mass fractions of examples 1-6

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The preparation method of the all nonionic system concentrated laundry detergent compositions of examples 1-6 and the laundry detergent bead products corresponding to comparative examples 1-6 comprises the following steps:

s1, adding nonionic and nonionic dispersing agents into a constant-temperature dispersing device, heating and uniformly stirring;

s2, adding the anion surfactant, the liquid essence and the solvent, and uniformly stirring;

s3, adding an auxiliary agent, and stirring until the auxiliary agent is completely dissolved and has uniform appearance;

s4, adding enzyme, and stirring until the appearance is uniform to obtain a concentrated liquid laundry detergent composition of a full nonionic system;

s5, encapsulating the composition by using a water-soluble film packaging bag to obtain the laundry detergent gel bead product.

Test example 1

1) The laundry detergent gel bead products of examples 1-6 and comparative examples 1-6 were subjected to stability and compression resistance tests and viscosity tests.

The testing method comprises the following steps:

test of low temperature stability: the detergent composition is bottled and sealed separately, and then placed in an environment with the temperature of-0 v2 ℃ for 2 months at constant temperature, and taken out for immediate observation. The detergent composition is judged to be qualified in low-temperature stability if no obvious color change, layering or precipitation exists.

Testing of constant temperature and humidity stability: after the detergent composition is bottled and sealed, the detergent composition is placed in an environment with the temperature of 37+/-2 ℃ and the humidity of 75%, and the detergent composition is placed at constant temperature for 2 months and then taken out for immediate observation. The detergent composition has no obvious color change, layering or precipitation, and is judged to be qualified in constant temperature and humidity stability.

Testing of stability at normal temperature: after the detergent composition is bottled and sealed, the detergent composition is placed in an environment with the temperature of 25+/-2 ℃ and placed at constant temperature for 2 months, and then taken out for immediate observation. The detergent composition is judged to be qualified in normal temperature stability if no obvious color change, layering or precipitation exists.

Testing of high temperature stability: after the detergent composition is bottled and sealed, the detergent composition is placed in an environment of 45+/-2 ℃ and is placed at constant temperature for 2 months, and then the detergent composition is taken out for immediate observation. The detergent composition is judged to be qualified in high-temperature stability if no obvious color change, layering or precipitation exists.

Compression test:

principle of compression test: the water-soluble film has certain compression resistance due to the self tensile property, a pressure tester is used for applying pressure to the laundry detergent beads wrapped into the film, the beads are subjected to tensile deformation or final bursting under certain pressure, and the maximum pressure during testing or bursting is recorded and recorded as the compression strength of the beads.

Method and evaluation criteria for compression testing: 1. the laundry detergent beads are placed in a (23 + -2) DEGC, (50 + -5)% relative humidity environment for at least 24 hours. 2. Under the same environment, the compressive strength of the laundry detergent beads is tested (i.e. the laundry detergent beads should be tested immediately after being taken out). 3. In order to avoid stress rupture of the concentrated laundry detergent beads and pollution to instruments, one laundry detergent bead can be placed in a plastic bag for pressure test. 4. The concentrated laundry detergent beads are placed under an increased pressure in the range of a displacement speed (200-250) mm/min of a WDS digital display universal tester (50-5 KN) of Shang Cen precision instruments (Shanghai) limited until the maximum pressure is reached or the laundry detergent beads release the content thereof (the maximum pressure is generally set to 1000N). 5. The pressure of the condensed laundry detergent gel beads reaches the industry standard QB/T5658-2021, the compression resistance regulation is 300N (repeated test is carried out 5 times) and the products are qualified.

The test results are shown in Table 3.

TABLE 3 stability and compression resistance test results

As can be seen from Table 3, the laundry detergent beads prepared in examples 1 to 6 of the present invention can ensure good stability and compression resistance at each test temperature. Under the test of different stability temperatures, the gel beads have no layering and turbidity, and only have slight color change under the high temperature condition, so that the gel beads meet the judgment standard. Comparative examples 1 to 4 can find that the stability discoloration at high temperature is remarkable and the coagulation phenomenon occurs at low temperature mainly due to the decrease of the cloud point of the nonionic surfactant and the uneven dispersion of the anionic surfactant. When the anionic surfactant is added into the system, the anions with large molecules are forced to be inserted into the gaps of the non-ions under the influence of the size and space bit groups of the anionic molecules, so that the structure of the non-ion system is damaged, the balance point between the anions and the non-ions is uncontrollable, and the corresponding viscosity and compression resistance are disqualified. Comparative examples 5-6, because the nonionic surface activity added is less than 40%, the solvent in the product is too much, so that the viscosity of the product is extremely reduced, the beads are soft, and the compression resistance is disqualified; in comparative examples 5 to 6, the decrease of nonionic results in the weakening of the synergistic effect between specific nonionic and the inability to lock essence well, and therefore, the product is cloudy at low temperature and is remarkably discolored at normal temperature and high temperature. Therefore, in the examples 1 to 6, nonionic surfactant and nonionic dispersant are used to balance the stability of nonionic in the whole system, and a large amount of essence is added at the same time, so that the essence can adapt to the characteristics between nonionic polarities, and on the other hand, the nonionic surfactant and the nonionic dispersant form a good synergistic effect, so that the whole system is in a stable state.

2) The detergent strength test was performed by comparing the laundry detergent bead products prepared in examples 3-4 and comparative examples 3-4 with a standard laundry detergent.

The testing method comprises the following steps:

the detergency test was performed with reference to "measurement of detergency and cycle washing Performance of detergents for clothing of GB/T131742008". In the soil release test, different test concentrations were used for each sample to ensure that the actual amount of surfactant actually added in each sample was close.

The test results are shown in Table 4.

Wherein the P value represents the decontamination ratio. In general, the soil release ratio of a standard laundry detergent as a reference sample was set to 1.00. The higher the P value, the better the cleaning force.

Table 4 detergency test results

As can be seen from Table 4, examples 3-4 are significantly better than the detergent effect of the standard laundry detergent and the laundry detergent bead products of comparative examples 3-4 on carbon black, protein and sebum. This is mainly due to the synergistic effect between the nonionic and enzyme preparations of a particular combination, which is achieved by the action of the nonionic dispersant. The reason that the decontamination of comparative examples 3-4 is slightly worse than that of examples 3-4 is that the added anions destroy the molecular structure of the nonionic system in the system, so that the surface activity dispersibility is poor, the decontamination effect cannot be fully exhibited, and in the actual decontamination, the enzyme and the surface activity cannot be well assisted, so that the actual decontamination effect is slowed down, and the decontamination of the comparative examples is poorer than that of the full nonionic system bead coagulation effect.

3) Fragrance retention tests were performed on the laundry detergent bead product comparisons prepared in examples 1-2 and comparative examples 1-2.

10g of each of the gel bead liquids of examples 1-2 and comparative examples 1-2 was poured into a washing machine, and then separately placed on pure cotton towels of the same specification and put into the washing machine, and the washing machine was adjusted to a mixed washing mode to wash each of the towels for 60 minutes. After washing, 10 trained panelists were allowed to evaluate the fragrance concentration of the towels, the fragrance concentration was scored at 1-5 points, and higher scores indicated better fragrance retention strength of the products. The evaluation personnel respectively set the freshly washed towel as a fragrance-retaining effect evaluation point 1 and set the towel after airing as a fragrance-retaining effect evaluation point; 2. the towel stored for two weeks is set as a fragrance-retaining effect evaluation point; 3. and scoring the fragrance retaining effect according to the three evaluation points. The final test results obtained were all average scores of 10 panelists, and the test results are shown in table 4 below.

Table 4 evaluation of the effects of fragrance retention for the samples of examples 1-4

According to the fragrance retaining test, the polarity between the nonionic and the essence is enhanced due to the addition of the nonionic dispersing agent in the embodiment 1-2, so that the fragrance of the essence can be well retained, and the fragrance retaining effect of the essence on clothes is obviously enhanced. Comparative examples 1-2 affected the state of the perfume in the system due to the presence of anions, the initial washing perfume was less volatile, but the dried laundry was unfavorable for the dispersion and stabilization of the perfume in the system due to too strong ionic polarity, so the perfume was easily volatilized and the perfume retention effect was poor. The non-ionic bond synergistic effect formed by the combination of the non-ionic dispersing agent and the essence strengthens the fragrance retaining effect.

4) Foam test for comparison of laundry detergent gel bead products prepared in examples 1-2 and comparative examples 1-2

The test method for foam performance of the detergent composition comprises the following steps: foaming and defoaming foam heights, expressed in mm, of liquid detergents were measured with a rogowski foam meter.

In this test example, examples 1-2, and comparative examples 1-2, the respective formulation components thereof are shown in Table 5; and a standard laundry detergent was used as a blank comparative example. The results obtained are shown in Table 5. Wherein a lower value represents less foam. 0min is the starting time of recording the foaming foam height; then, at the time of natural defoaming for 5min, the foam height at this time was recorded.

Table 5 results of foam height test of detergent compositions prepared in examples 1-2 and comparative examples 1-2 by rogowski foamer

Table 5 the results show that according to the foam height measured by the rogowski foam meter: examples 1-2 samples with nonionic dispersants examples 1-2 reduced the foaming height and the defoaming speed was very fast compared to standard laundry detergents, as well as to comparative examples 1-2. This is because the addition of the nonionic dispersant causes the surface of the surfactant solution to form a tight nonionic bond, and the nonionic bond formed weakens the intermolecular force of the adsorbed molecules, so that examples 1-2 have good foam suppressing and defoaming capabilities. The liquid detergent compositions of the present invention also have the feature of low sudsing and easy rinsing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (9)

1. A concentrated laundry bead composition of an all-nonionic system is characterized in that the all-nonionic system laundry detergent composition comprises a liquid component and a water-soluble film,

the liquid component comprises the following components in percentage by mass:

wherein, the liquid crystal display device comprises a liquid crystal display device,

the nonionic dispersant is low molecular polyether;

the liquid component is at 25deg.C, 1000 ^-1 The shear viscosity of the composition is in the range of 100 to 500cps as measured below.

2. The concentrated laundry bead composition of all nonionic systems according to claim 1, wherein said nonionic surfactant is selected from the group consisting of fatty alcohol alkoxylates, polyethylene oxide alkyl ethers, alkyl polyglycosides, fatty acid alkoxylates, fatty acid ethoxylates, fatty acid alkyl alcohol amides, and mixtures of one or more ethoxylated sorbitan esters.

3. The all nonionic system concentrated laundry bead composition of claim 1, wherein said low molecular weight polyether is selected from one or more of glycerol polyoxyethylene ether, polyoxyethylene, polyoxypropylene block polyether, alkylphenol polyoxyethylene polyoxypropylene ether, allyl alcohol polyoxyalkylene ether, or polyoxyethylene-polyoxypropylene copolyether.

4. The concentrated laundry bead composition of an all nonionic system according to claim 1, wherein said liquid ingredients comprise the following components by mass:

5. the concentrated laundry bead composition of all nonionic systems according to claim 1, wherein said adjunct is at least one selected from the group consisting of self-builders, structurants or thickeners, clay soil removal/anti-redeposition agents, polymeric detergents, polymeric dispersants, polymeric grease cleaners, enzyme stabilizing systems, bleaching compounds, bleaches, bleach activators, bleach catalysts, brighteners, dyes, toners, dye transfer inhibitors, chelants, suds suppressors, softeners, perfumes.

6. The concentrated laundry bead composition of an all nonionic system according to claim 1, wherein said enzyme formulation is selected from the group consisting of, but not limited to: at least one of protease, alpha-amylase, cellulase, hemicellulase, phospholipase, esterase, lipase, peroxidase/oxidase, pectinase, lyase, mannanase, cutinase, reductase, xylanase, pullulanase, tannase, pentosanase, maltose, arabinase, beta-glucanase.

7. The concentrated laundry bead composition of an all nonionic system according to claim 1, wherein said solvent is selected from at least one of water, monohydric alcohol, or polyhydric alcohol.

8. The concentrated laundry bead composition of claim 7, wherein said polyol is selected from at least one of glycerol, propylene glycol, diethylene glycol, dipropylene glycol methyl ether, polyalkylene glycol, butylene glycol.

9. A method of preparing a concentrated laundry bead composition of an all nonionic system according to any of claims 1 to 8, comprising the steps of:

s1, adding nonionic and nonionic dispersing agents into a constant-temperature dispersing device, and heating and uniformly stirring;

s2, adding the liquid essence and the solvent, and uniformly stirring;

s3, adding an auxiliary agent, and stirring until the auxiliary agent is completely dissolved and has uniform appearance;

s4, adding enzyme, and stirring until the appearance is uniform to obtain a liquid component;

s5, encapsulating the liquid component by using a water-soluble film to obtain the concentrated laundry bead composition of the all-nonionic system.