CN106753831B - Washing powder slurry with high fluidity and preparation method thereof - Google Patents
Washing powder slurry with high fluidity and preparation method thereof Download PDFInfo
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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
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
- C11D1/24—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds containing ester or ether groups directly attached to the nucleus
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/37—Mixtures of compounds all of which are anionic
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- 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
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- C11D3/044—Hydroxides or bases
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
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- C11D3/04—Water-soluble compounds
- C11D3/046—Salts
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- 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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/06—Phosphates, including polyphosphates
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/08—Silicates
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/128—Aluminium silicates, e.g. zeolites
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
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- C11D3/2086—Hydroxy carboxylic acids-salts thereof
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- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
- C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
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- 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
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
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Abstract
The invention relates to the field of washing compositions mainly using surface active compounds as base materials, in particular to washing powder slurry with high fluidity and a preparation method thereof. A washing powder slurry with high fluidity comprises an anionic surfactant, and is characterized in that: the cleaning agent also comprises a defoaming agent, a water softener, a forming agent, an anti-soil redeposition agent, an alkaline builder and a filler, wherein the components in percentage by mass are as follows: anionic surfactant: 10% -25%; defoaming agent: 0.005% -0.1%; water softener: 5% -30%; forming agent: 2% -10%; anti-soil redeposition agent: 1% -5%; alkaline builder: 0% -5%; filling agent: balance to 100. A preparation method of washing powder slurry with high fluidity is characterized by comprising the following steps: including the addition of an anti-foaming agent. The invention has high fluidity, convenient transportation and atomization, convenient operation and low cost.
Description
Technical Field
The invention relates to the field of washing compositions mainly using surface active compounds as base materials, in particular to washing powder slurry with high fluidity and a preparation method thereof.
Background
At present, the common washing powder is mostly produced by a high tower spray drying method, solid raw materials (soda ash, anhydrous sodium sulphate, sodium metasilicate, CMC and the like) and liquid raw materials (sodium alkyl benzene sulfonate, AES, AOS, sodium silicate, water and the like) required for preparing the washing powder are put into a batching tank material according to a certain proportion, the total solid of the slurry is controlled within a proper range by adjusting the adding amount of the water, the slurry is stirred and mixed into uniform slurry with certain viscosity at high speed, and the water in the slurry is volatilized by high-pressure atomization and hot air drying to form the flowable dry washing powder. The higher the total solid of the prepared slurry is, the less the heat consumption is needed for drying the slurry, and the more the dry washing powder is produced with the same energy consumption, the higher the yield is and the lower the cost is. In the production of laundry powders, it is therefore desirable to have the higher the total solids of the slurry, the better. However, the higher the total solids content of the slurry, the higher the viscosity, and the difficulty in transportation and atomization.
Usually, the washing powder formula contains 10-25% of anionic surfactant, and a lot of foams are generated under a high-speed stirring state, so that slurry becomes viscous; in addition, more than 10% of soda ash auxiliary agents are generally added into the washing powder, and when the soda ash is dissolved in water, free water in the slurry can be quickly captured to become bound water, so that the slurry can become more viscous; according to the traditional washing powder slurry dosing method, the total solid of the slurry taking alkylbenzene sulfonate as a main surface active substance is controlled to be 65-70 percent generally, while the total solid of the washing powder (washing soap powder) slurry containing fatty alcohol polyoxyethylene ether sulfate (AES) or sodium fatty acid is controlled to be 60-65 percent generally, and the slurry fluidity is poorer than that of the slurry only containing alkylbenzene sulfonate, so that the yield is low and the energy consumption is high. Because AES is a gelatinous paste, and is difficult to completely dissolve when being added into slurry, the slurry containing AES can be uniformly mixed only by stirring for a longer time, so that more foams are generated to increase the viscosity of the slurry; the washing powder (also called soap powder) containing sodium aliphatate is generally neutralized by sodium hydroxide and fatty acid to generate sodium aliphatate, the neutralization time is at least more than 15 minutes, more foams are generated due to the extension of the stirring time, the foams generated by the sodium aliphatate are very fine and stable, and if a slurry regulator is not added, the slurry is changed into a paste and is difficult to flow when the concentration is about 60 percent, so the total solid of the slurry for producing the soap powder is generally 5 to 10 percent lower than that of the common washing powder, and the energy consumption required by spray drying is higher than that of the common washing powder. Because the addition of AES to soap powder can significantly improve detergency, and the AES + sodium fatty acid laundry soap powder slurry is more difficult to prepare into high-total-solid slurry, the production of such a formulation is still a difficult problem to be solved urgently.
From literature reports, many dispersants for reducing viscosity and stabilizing washing powder slurry are proposed, for example, a dispersant for reducing viscosity and stabilizing washing powder spray slurry is disclosed in the Chinese patent publication No. 101144053A, which is specialized for 2008, 03 and 19, and the viscosity of washing powder slurry is reduced by using a graft polymer-polycarboxylate, the polymer can reduce the viscosity of general washing powder slurry, but the pseudo-viscosity effect of the slurry caused by surfactant foam is not obvious, and the addition amount of the polymer viscosity reducer is generally more than 1%, so that the cost of the washing powder formula is greatly increased. And the viscosity reducing effect is almost not generated by adding the polymer into the washing soap powder slurry through tests. The Chinese special benefit with publication number 102002445A is 2011, 04 and 06, discloses a washing powder and soap powder viscosity reduction synergist, the purpose of reducing the viscosity of washing powder and soap powder slurry is achieved by adding a novel polymer, the addition amount is 0.1-10%, the added polycarboxylic acid substances are similar, the viscosity reduction principle is similar to 101144053A, and the ideal viscosity reduction effect cannot be achieved.
Disclosure of Invention
In order to overcome the defects of the prior art and provide a washing component with high fluidity, convenient transportation and atomization, convenient operation and low cost, the invention discloses washing powder slurry with high fluidity and a preparation method thereof.
The invention achieves the purpose by the following technical scheme: (subject of the claims)
A washing powder slurry with high fluidity comprises an anionic surfactant, and is characterized in that: the cleaning agent also comprises a defoaming agent, a water softener, a forming agent, an anti-soil redeposition agent, an alkaline builder and a filler, wherein the components in percentage by mass are as follows:
percentage by mass of component name (%)
10 to 25 parts of anionic surfactant
0.005-0.1% of defoaming agent
5-30% of water softener
2-10 parts of forming agent
1-5 parts of anti-soil redeposition agent
0 to 5% of an alkali builder
The filler is balanced to 100
Wherein the anionic surfactant is at least one of component A and component B, the component A is alkylbenzene sulfonate, the component B is at least one of fatty alcohol polyoxyethylene ether sulfate (AES), α -alkenyl sulfonate (AOS), fatty acid salt and Alkyl Sulfate (AS), the salt refers to alkali metal salt, generally sodium salt;
the defoaming agent is a solution of a mixture of dimethyl silicone oil and fatty acid, and the mass percentage concentration of the mixture of dimethyl silicone oil and fatty acid in the solution is 10-20%;
the water softener is at least one of sodium aluminosilicate (namely 4A zeolite), polyphosphate and citrate; preferred are sodium aluminosilicates and citrates;
the forming agent is silicate (commonly called sodium silicate), the salt refers to alkali metal salt, and sodium salt is generally selected;
the anti-soil redeposition agent is at least one of carboxymethyl cellulose salt, polyacrylate and polyacrylic acid-maleic acid copolymer salt, wherein the salt refers to alkali metal salt, and sodium salt is generally selected; preferred are polyacrylic acid-maleic acid copolymer salts;
the alkaline builder is at least one selected from carbonate, layered silicate and metasilicate, and the salt refers to alkali metal salt, usually sodium salt; preferred are carbonates;
the filler is anhydrous sodium sulphate or sodium chloride; anhydrous sodium sulphate is preferred.
The washing powder slurry with high fluidity is characterized in that: the component B in the anionic surfactant accounts for not more than 15% of the mass of the washing powder slurry; the mass percentage of the defoaming agent is 0.005-0.05%.
The preparation method of the washing powder slurry with high fluidity is characterized by comprising the following steps: the method is implemented in sequence according to the following steps:
I. when the anionic surfactant is the component A, the preparation steps are as follows: firstly, adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a proportioning tank to form slurry, stirring the slurry, heating to 40-50 ℃, adding alkylbenzene sulfonic acid under a stirring state to perform a neutralization reaction for 5-10 min, then adding an alkaline assistant, a water softener and a filler, and continuously stirring for 10-20 min until the slurry is uniform;
when the anionic surfactant is the component B, the preparation steps are as follows: adding water, a defoaming agent, a forming agent and an anti-soil redeposition agent into a batching tank to form slurry, stirring the slurry, heating to 50-60 ℃, then adding a component B, an alkaline assistant, a water softener and a filler, and continuously stirring for 10-20 min until the slurry is uniform;
when the anionic surfactant is selected from the composition of the component A and the component B, the preparation steps are as follows: adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a proportioning tank to form slurry, stirring the slurry, heating to 50-60 ℃, adding alkylbenzene sulfonic acid under a stirring state to perform a neutralization reaction for 5-10 min, adding the component B after neutralization, continuing stirring for 5min, then adding an alkaline assistant, a water softener and a filler, and continuing stirring for 10-20 min until the slurry is uniform.
The preparation method of the washing powder slurry with high fluidity is characterized by comprising the following steps: when the anionic surfactant is prepared by compounding the component A and the component B is selected from fatty acid salt, the method is implemented according to the following steps in sequence: adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a batching tank to form slurry, stirring the slurry, heating to be not less than 65 ℃, adding fatty acid under a stirring state to perform neutralization reaction for 10-15 min, then adding alkyl benzene sulfonic acid to continue neutralizing for 5min, adding an alkaline assistant, a water softener and a filler, and continuing stirring for 10-20 min until the slurry is uniform.
Research shows that the main reason for the thick slurry of the washing powder is that the surfactant generates foam under high-speed stirring, and the alkaline heating material is hydrated when the addition amount is high, so that the free water is reduced, the viscosity of the slurry is reduced by adding the defoaming agent, the defoaming agent is added before the surfactant is added when the slurry is prepared, the foaming can be effectively prevented, the satisfactory viscosity reduction effect can be achieved by adding the defoaming agent in a small amount, and the viscosity of the slurry is reduced when the same total solid is achieved; meanwhile, the addition of the alkaline heating hydration material in the slurry is reduced, and the addition of the alkaline hydration material in the slurry is controlled to be 0-5%, so that the viscosity of the slurry can be further reduced, and the problems of high viscosity, low total solid of the slurry and high energy consumption of the washing powder (washing soap powder) slurry with high AES or sodium aliphatate produced by a spray drying method are solved. The invention can prevent foam generation, improve the total solid of the slurry of spray-dried washing powder, especially improve the yield of spray-dried washing powder (washing soap powder) containing AES or sodium aliphatate, reduce energy consumption, and has the advantages of little increase of washing powder cost and easy operation.
The invention has the beneficial effects that: high fluidity, convenient transportation and atomization, convenient operation and low cost.
Drawings
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Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
The washing powder slurry with high fluidity comprises an anionic surfactant, a defoaming agent, a water softener, a forming agent, an anti-soil redeposition agent and a filling agent, wherein the mass percentages of the components are respectively as follows:
percentage by mass of component name (%)
Anionic surfactant 25
Defoaming agent 0.005
Water softener 5
Molding agent 2
Soil redeposition preventing agent 1
The filler is balanced to 100
Wherein: the anionic surfactant is sodium alkyl benzene sulfonate;
the defoaming agent is a solution of a mixture of dimethyl silicone oil and fatty acid, and the mass percentage concentration of the mixture of dimethyl silicone oil and fatty acid in the solution is 10-20%;
the water softener is one of sodium aluminosilicate (namely 4A zeolite), polyphosphate and citrate which are sequentially selected, wherein the salt refers to alkali metal salt, and sodium salt is selected in the embodiment;
the forming agent is silicate (commonly called sodium silicate), the salt refers to alkali metal salt, and sodium salt is selected in the embodiment;
the anti-soil redeposition agent is one of carboxymethyl cellulose salt, polyacrylate and polyacrylic acid-maleic acid copolymer salt in sequence, wherein the salt refers to alkali metal salt, and sodium salt is selected in the embodiment;
the filler is anhydrous sodium sulphate or sodium chloride.
The preparation steps of this example are as follows:
firstly, adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a dosing tank to form slurry, stirring the slurry, heating to 40-50 ℃, adding alkylbenzene sulfonic acid under the stirring state to perform a neutralization reaction for 5-10 min, then adding a water softener and a filling agent, and continuing stirring for 10-20 min until the slurry is uniform.
Example 2
The washing powder slurry with high fluidity comprises an anionic surfactant, a defoaming agent, a water softener, a forming agent, an anti-soil redeposition agent, an alkaline builder and a filler, wherein the mass percentages of the components are respectively as follows:
percentage by mass of component name (%)
Anionic surfactant 23
Defoaming agent 0.02
Water softener 10
Molding agent 4
Soil redeposition preventing agent 2
Alkaline builder 1
The filler is balanced to 100
Wherein: the anionic surfactant is prepared by compounding sodium alkyl benzene sulfonate and fatty alcohol-polyoxyethylene ether sodium sulfate (namely AES) according to the mass ratio of 8: 15;
the alkaline builder is one of carbonate, layered silicate and metasilicate in turn, the salt refers to alkali metal salt, and sodium salt is selected in this embodiment;
the materials selected for the antifoaming agent, water softener, molding agent, anti-soil redeposition agent, alkali builder, and filler were the same as in example 1.
The preparation steps of this example are as follows:
adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a proportioning tank to form slurry, stirring the slurry, heating to 50-60 ℃, adding alkyl benzene sulfonic acid under a stirring state to perform a neutralization reaction for 5-10 min, adding fatty alcohol-polyoxyethylene ether sodium sulfate after neutralization, continuing stirring for 5min, then adding an alkaline assistant, a water softener and a filler, and continuing stirring for 10-20 min until the slurry is uniform.
In the preparation of the embodiment, after the fatty alcohol-polyoxyethylene ether sodium sulfate is added, the solid raw materials are added without stirring the AES completely and uniformly, the solid raw materials such as the alkaline assistant, the water softener and the filler can be added after the AES is added and stirred for about 5min, and the AES blocks are basically dispersed, so that the viscosity of the slurry caused by excessive foam formed due to overlong stirring time can be further reduced.
Example 3
The washing powder slurry with high fluidity comprises an anionic surfactant, a defoaming agent, a water softener, a forming agent, an anti-soil redeposition agent, an alkaline builder and a filler, wherein the mass percentages of the components are respectively as follows:
percentage by mass of component name (%)
Anionic surfactant 20
Defoaming agent 0.04
Water softener 15
Molding agent 6
Soil redeposition preventing agent 3
Alkaline builder 2
The filler is balanced to 100
Wherein, the anionic surfactant is prepared by compounding sodium alkyl benzene sulfonate, α -alkenyl sodium sulfonate (AOS) and sodium alkyl sulfate in a mass ratio of 1:1: 2;
the materials selected for the antifoaming agent, water softener, molding agent, anti-soil redeposition agent, alkali builder, and filler were the same as in example 2.
The preparation steps of this example are as follows:
adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a dosing tank to form slurry, stirring the slurry, heating to 50-60 ℃, adding alkylbenzene sulfonic acid under a stirring state to perform a neutralization reaction for 5-10 min, adding α -sodium alkenyl sulfonate and sodium alkyl sulfate after neutralization, continuing stirring for 5min, then adding an alkaline assistant, a water softener and a filler, and continuing stirring for 10-20 min until the slurry is uniform.
Example 4
The washing powder slurry with high fluidity comprises an anionic surfactant, a defoaming agent, a water softener, a forming agent, an anti-soil redeposition agent, an alkaline builder and a filler, wherein the mass percentages of the components are respectively as follows:
percentage by mass of component name (%)
Anionic surfactant 15
Defoaming agent 0.05
Water softener 20
Molding agent 8
Anti-soil redeposition agent 4
Alkali builder 3
The filler is balanced to 100
Wherein: the anionic surfactant is prepared by compounding sodium alkyl benzene sulfonate and sodium fatty acid in a mass ratio of 1: 2;
the materials selected for the antifoaming agent, water softener, molding agent, anti-soil redeposition agent, alkali builder, and filler were the same as in example 2.
The preparation steps of this example are as follows:
adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a batching tank to form slurry, stirring the slurry, heating to be not less than 65 ℃, adding fatty acid under a stirring state to perform neutralization reaction for 10-15 min, then adding alkyl benzene sulfonic acid to continue neutralizing for 5min, adding an alkaline assistant, a water softener and a filler, and continuing stirring for 10-20 min until the slurry is uniform.
Example 5
The washing powder slurry with high fluidity comprises an anionic surfactant, a defoaming agent, a water softener, a forming agent, an anti-soil redeposition agent, an alkaline builder and a filler, wherein the mass percentages of the components are respectively as follows:
percentage by mass of component name (%)
Anionic surfactant 12
Defoaming agent 0.08
Water softener 25
Molding agent 9
Anti-soil redeposition agent 4.5
Alkali builder 4
The filler is balanced to 100
Wherein: the anionic surfactant is fatty alcohol-polyoxyethylene ether sodium sulfate;
the materials selected for the antifoaming agent, water softener, molding agent, anti-soil redeposition agent, alkali builder, and filler were the same as in example 2.
The preparation steps of this example are as follows:
adding water, a defoaming agent, a forming agent and an anti-soil redeposition agent into a dosing tank to form slurry, stirring the slurry, heating to 50-60 ℃, then adding fatty alcohol-polyoxyethylene ether sodium sulfate, an alkaline assistant, a water softener and a filler, and continuously stirring for 10-20 min until the slurry is uniform.
Example 6
The washing powder slurry with high fluidity comprises an anionic surfactant, a defoaming agent, a water softener, a forming agent, an anti-soil redeposition agent, an alkaline builder and a filler, wherein the mass percentages of the components are respectively as follows:
percentage by mass of component name (%)
Anionic surfactant 10
Antifoam agent 0.1
Water softener 30
Molding agent 10
Soil redeposition preventing agent 5
Alkaline builder 5
The filler is balanced to 100
Wherein: the anionic surfactant is prepared by compounding fatty alcohol-polyoxyethylene ether sodium sulfate (namely AES) and alkyl sodium sulfate in a mass ratio of 2: 1;
the materials selected for the antifoaming agent, water softener, molding agent, anti-soil redeposition agent, alkali builder, and filler were the same as in example 2.
The preparation steps of this example are as follows:
adding water, a defoaming agent, a forming agent and an anti-soil redeposition agent into a dosing tank to form slurry, stirring the slurry, heating to 50-60 ℃, then adding fatty alcohol-polyoxyethylene ether sodium sulfate, alkyl sodium sulfate, an alkaline assistant, a water softener and a filling agent, and continuously stirring for 10-20 min until the slurry is uniform.
Example 7
A washing powder prepared from washing powder slurry with high fluidity comprises the following components in percentage by mass:
percentage by mass of component name (%)
Alkylbenzenesulfonic acid 11.7
Liquid sodium hydroxide 4.88
AES 8
Defoaming agent 0.01
Soda 15
4A zeolite 10
Sodium silicate 5
Polyacrylic acid-sodium maleate copolymer 1
Anhydrous sodium sulfate is balanced to 100
Wherein: the alkylbenzene sulfonic acid is a solution with the mass percent concentration of 96%, and the liquid sodium hydroxide is a solution with the mass percent concentration of 32%; the material used for the defoamer was the same as in example 2.
The preparation steps of this example are as follows:
adding water, sodium hydroxide, a defoaming agent, a forming agent, an anti-soil redeposition agent and soda ash into a proportioning tank to form slurry, stirring the slurry, heating to 50-60 ℃, adding alkylbenzene sulfonic acid under a stirring state to perform a neutralization reaction for 5-10 min, adding AES after neutralization, continuing to stir for 5min, then adding soda ash, a water softener and a filler, wherein the adding amount of the soda ash in the slurry is not more than 5%, adding the rest 10% of the soda ash into a post-proportioning material, and continuing to stir for 10-20 min until the slurry is uniform.
Example 8
The washing powder slurry with high fluidity comprises the following components in percentage by mass:
percentage by mass of component name (%)
Alkyl benzene sulfonic acid 5
Liquid sodium hydroxide 2.1
AES 12
Fatty acid 9
Defoaming agent 0.05
4A zeolite 10
Sodium silicate 7
Polyacrylic acid-sodium maleate copolymer 1
Anhydrous sodium sulfate is balanced to 100
Wherein: the alkylbenzene sulfonic acid is a solution with the mass percent concentration of 96%, and the liquid sodium hydroxide is a solution with the mass percent concentration of 32%; the material used for the defoamer was the same as in example 2.
The preparation steps of this example are as follows:
adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a batching tank to form slurry, stirring the slurry, heating to be not less than 65 ℃, adding fatty acid under a stirring state to perform neutralization reaction for 10-15 min, then adding alkyl benzene sulfonic acid to continue neutralizing for 5min, adding an alkaline assistant, a water softener and a filler, and continuing stirring for 10-20 min until the slurry is uniform.
Example 9
The washing powder slurry with high fluidity comprises the following components in percentage by mass:
percentage by mass of component name (%)
Alkyl benzene sulfonic acid 9.5
Liquid sodium hydroxide 8.2
Fatty acid 9
Defoaming agent 0.03
Soda ash 5
4A zeolite 10
Sodium silicate 5
Polyacrylic acid-sodium maleate copolymer 1
Anhydrous sodium sulfate is balanced to 100
Wherein: the alkylbenzene sulfonic acid is a solution with the mass percent concentration of 96%, and the liquid sodium hydroxide is a solution with the mass percent concentration of 32%.
The preparation steps of this example are as follows:
adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a batching tank to form slurry, stirring the slurry, heating to be not less than 65 ℃, adding fatty acid under a stirring state to perform neutralization reaction for 10-15 min, then adding alkyl benzene sulfonic acid to continue neutralizing for 5min, adding an alkaline assistant, a water softener and a filler, and continuing stirring for 10-20 min until the slurry is uniform.
Comparative example
The material and mass percentage of each component are respectively as follows:
percentage by mass of component name (%)
Alkylbenzenesulfonic acid 11.7
Liquid sodium hydroxide 4.88
AES 8
Soda 15
4A zeolite 10
Sodium silicate 5
Polyacrylic acid-sodium maleate copolymer 1
Anhydrous sodium sulfate is balanced to 100
Comparative example the procedure was as follows:
adding water, sodium hydroxide, a forming agent and an anti-soil redeposition agent into a proportioning tank to form slurry, stirring the slurry, heating to 40-50 ℃, adding alkylbenzene sulfonic acid under a stirring state to perform a neutralization reaction for 5-10 min, then adding an alkaline assistant, a water softener and a filler, and continuing stirring for 10-20 min until the slurry is uniform.
The indexes of examples 7-9 and comparative examples are compared as shown in the following table:
it can be seen that:
in the comparative example, no defoaming agent is added, the addition amount of soda ash in the slurry is 15%, the viscosity of the slurry reaches about 4000cps when the total solid content of the slurry is 63%, the slurry is very viscous and difficult to convey and atomize; 0.01% of defoaming agent (namely example 7) is added according to the same formula, 5% of soda ash is added into the slurry (the rest 10% of soda ash is added after the mixture is added), the total solid of the slurry is improved to 70%, and the viscosity is obviously lower than that of the comparative example; example 9 is a laundry soap powder slurry with 0.03% defoamer added and only 5% soda ash added to the slurry, the total solids increased to 70% and the slurry viscosity was lower than the comparative example. Therefore, by adding the foam control agent and controlling the adding amount of the alkaline heating hydration material in the slurry, the viscosity of the slurry can be effectively reduced, and the production is easy to carry out.
Claims (1)
1. The preparation method of the washing powder slurry with high fluidity comprises the following components in percentage by mass:
percentage by mass of component name (%)
10 to 25 parts of anionic surfactant
0.005-0.05% of defoaming agent
5-30% of water softener
2-10 parts of forming agent
1-5 parts of anti-soil redeposition agent
0 to 5% of an alkali builder
The filler is balanced to 100
Wherein the anionic surfactant is at least one of a component A and a component B, the component A is alkylbenzene sulfonate, the component B is at least one of fatty alcohol-polyoxyethylene ether sulfate, α -alkenyl sulfonate, fatty acid salt and alkyl sulfate, and the component B accounts for no more than 15% of the washing powder slurry by mass;
the defoaming agent is a solution of a mixture of dimethyl silicone oil and fatty acid, and the mass percentage concentration of the mixture of dimethyl silicone oil and fatty acid in the solution is 10-20%;
the water softener is at least one of sodium aluminosilicate, polyphosphate and citrate;
the forming agent is silicate;
the anti-soil redeposition agent is at least one of carboxymethyl cellulose salt, polyacrylate and polyacrylic acid-maleic acid copolymer salt;
the alkaline builder is at least one of carbonate, layered silicate and metasilicate;
the filler is anhydrous sodium sulphate or sodium chloride;
the method is characterized in that: the method is implemented in sequence according to the following steps:
I. when the anionic surfactant is the component A, the preparation steps are as follows: firstly, adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a proportioning tank to form slurry, stirring the slurry, heating to 40-50 ℃, adding alkylbenzene sulfonic acid under a stirring state to perform a neutralization reaction for 5-10 min, then adding an alkaline assistant, a water softener and a filler, and continuously stirring for 10-20 min until the slurry is uniform;
when the anionic surfactant is the component B, the preparation steps are as follows: adding water, a defoaming agent, a forming agent and an anti-soil redeposition agent into a batching tank to form slurry, stirring the slurry, heating to 50-60 ℃, then adding a component B, an alkaline assistant, a water softener and a filler, and continuously stirring for 10-20 min until the slurry is uniform;
when the anionic surfactant is selected from the composition of the component A and the component B, the preparation steps are as follows: adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a proportioning tank to form slurry, stirring the slurry, heating to 50-60 ℃, adding alkylbenzene sulfonic acid under a stirring state to perform a neutralization reaction for 5-10 min, adding the component B after neutralization, continuing stirring for 5min, then adding an alkaline assistant, a water softener and a filler, and continuing stirring for 10-20 min until the slurry is uniform;
when the anionic surfactant is prepared by compounding the component A and the component B is selected from fatty acid salt, the method is implemented in sequence according to the following steps: adding water, sodium hydroxide, a defoaming agent, a forming agent and an anti-soil redeposition agent into a batching tank to form slurry, stirring the slurry, heating to be not less than 65 ℃, adding fatty acid under a stirring state to perform neutralization reaction for 10-15 min, then adding alkyl benzene sulfonic acid to continue neutralizing for 5min, adding an alkaline assistant, a water softener and a filler, and continuing stirring for 10-20 min until the slurry is uniform.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1260385A (en) * | 2000-01-28 | 2000-07-19 | 杜倩 | Phosphorusfree and aluminium-free washing powder and its manufacture technology |
| CN1403559A (en) * | 2002-09-24 | 2003-03-19 | 广州大学 | Water-saving washing powder |
| CN105886137A (en) * | 2014-12-15 | 2016-08-24 | 上海和黄白猫有限公司 | High-density low temperature quickly dissolved washing powder and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1260385A (en) * | 2000-01-28 | 2000-07-19 | 杜倩 | Phosphorusfree and aluminium-free washing powder and its manufacture technology |
| CN1403559A (en) * | 2002-09-24 | 2003-03-19 | 广州大学 | Water-saving washing powder |
| CN105886137A (en) * | 2014-12-15 | 2016-08-24 | 上海和黄白猫有限公司 | High-density low temperature quickly dissolved washing powder and preparation method thereof |
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