A kind of transparent neutral laundry detergent that contains high-concentration chelating agent and preparation method thereof
Technical field
The invention belongs to the detergent composition field, specifically a kind of transparent neutral laundry detergent that contains high-concentration chelating agent and preparation method thereof.
Background technology
Washing liquid has become the requisite in the daily life, and the washing liquid product has advantages such as cold washing, easily dissolving, easily rinsing, energy-conservation, consumption reduction.The most of area of China all is a hard water, contains each metal ion species, and wherein maximum to the cleaning function harm of tensio-active agent with hard water ions such as magnesium, calcium, the detersive power of kinds of surface promoting agent in hard water all obviously descends.And one of subject matter of washing liquid to be various organic and inorganic anti hard water auxiliary agents be difficult to add, generally just unstable greater than 5%, therefore detersive power is poor slightly, in order to guarantee detersive power, must add more multilist surface-active agent in product, resource cost is big, the cost height, on the other hand, in order to increase detersive power, common washing liquid often adds alkaline components, and clothing, skin, environment are all had certain infringement.
An amount of washing assistant that sequestering action is arranged that adds in detergent formulation, both can reduce water hardness, again can be the metallic cation chelating that serves as a connection between original electronegative material such as fiber and electronegative dirt particle, the stable complex salt that forms solubility to be destroying the static combination between the dirt on the substrate matter, thereby makes dirt be easy to dissociate, disperse and be removed.Reasonable compatibility sequestrant and tensio-active agent, performance synergy did not both cause damage to fiber and cleaning of objects, did not have corrodibility, and it is good to have biological degradability again, does not make the water quality eutrophication, to advantages such as people, animal and waterplant are all nontoxic.So, need a kind of laundry detergent that contains high-concentration chelating agent in people's life.
Summary of the invention
The purpose of this invention is to provide a kind of transparent neutral laundry detergent that contains high-concentration chelating agent and preparation method thereof, contain polyoxyethylenated alcohol sodium sulfate (70%), α-Xi Jihuangsuanyan, citric acid, sodium hydroxide, polyacrylate, 2 hydroxy propanoic acid, white dyes, isothiazolinone, essence, deionized water among the present invention; The present invention contains high-concentration chelating agent, solved the problem that has limited the addition in washing liquid of sequestrant owing to reasons such as solvabilities, make this laundry detergent under situation, have strong, the strong detergency of resistance to hard water, easily characteristics such as rinsing than low surfactant content.
The objective of the invention is to realize: contain polyoxyethylenated alcohol sodium sulfate (70%), α-Xi Jihuangsuanyan, citric acid, sodium hydroxide, polyacrylate, 2 hydroxy propanoic acid, white dyes, isothiazolinone, essence among the present invention by following technical proposals; The weight ratio of each component is in this washing composition:
Polyoxyethylenated alcohol sodium sulfate (70%) 5~10
α-Xi Jihuangsuanyan (35%) 10~18.5
Citric acid 7~16
Sodium hydroxide 4.5~10
Polyacrylate 1~3
2 hydroxy propanoic acid 0.5~2
White dyes 0.03~0.2
Isothiazolinone 0.1~0.2
Essence 0.1~0.4
Deionized water 40~70;
Among the preparation method of this washing composition, steps in sequence is as follows:
A. get the 30%-40% of the described deionized water weight in the said ratio, to wherein adding citric acid, sodium hydroxide, the described mixed solution A that obtains by the preparation weight ratio successively;
B. after treating that described solution A temperature is reduced to 60 ℃~70 ℃, add polyoxyethylenated alcohol sodium sulfate (70%), α alkenyl sulphonate (35%), polyacrylic acid, 2 hydroxy propanoic acid by the preparation weight ratio successively, remaining described deionized water obtains mixing solutions B in the said ratio;
C. in described solution B, add described white dyes stirring and dissolving by the preparation weight ratio, be cooled to 35 ℃~45 ℃ after, add described isothiazolinone, essence stirs, and obtains mixed solution C;
D. described mixed solution C is carried out filtration treatment, obtain the described transparent neutral laundry detergent that contains high-concentration chelating agent;
Detersive power of the present invention reaches national sector standard QB1224-2007 requirement, reaches A level level.
Compared with the prior art the present invention has the following advantages:
1. the present invention contains high-concentration chelating agent, solved the problem that has limited the addition of sequestrant in washing liquid owing to reasons such as solvabilities, the metal ion that contains in the dirt composition is combined into is difficult for dissociated water-soluble complex salt, softening of water, suppress the detrimentally affect of calcium, magnesium ion to the tensio-active agent cleaning function, make this laundry detergent under situation, have strong, the strong detergency of resistance to hard water, easily characteristics such as rinsing than low surfactant content;
2. the present invention filters out the novel surfactant and the natural anti-hard water agent hydroxyl, carboxyl of band lone-pair electron, can form molecular complex;
3. the present invention adopts special surface promoting agent and natural organic anti-hard water agent further to react, generate the technology of complex compound, make it to be stable in the liquid detergent, even anti-hard water agent content 15% is also stable, thereby detersive power significantly improves, and reaches the superlative degree-A level of washing liquid national sector standard;
4. the present invention adopts natural reproducible raw material, fully biodegradable; And neutral without phosphorus, protection skin, clothing and environment have solved that the anti-hard water of common washing liquid is poor, detersive power is poor, resource cost is big, the problem that consumption is many, cost is high.
Embodiment
Embodiment 1:
A kind of transparent neutral laundry detergent that contains high-concentration chelating agent, the weight ratio of each component that contains in this washing composition is:
Polyoxyethylenated alcohol sodium sulfate (70%) 5~10
α-Xi Jihuangsuanyan (35%) 10~18.5
Citric acid 7~16
Sodium hydroxide 4.5~10
Polyacrylate 1~3
2 hydroxy propanoic acid 0.5~2
White dyes 0.03~0.2
Isothiazolinone 0.1~0.2
Essence 0.1~0.4
Deionized water 40~70;
The used weight unit of present embodiment is a kilogram, also can be gram;
Each component described in the present embodiment for being technical grade;
Each component described in the present embodiment is the conventional products of selling on the market;
In the present embodiment, each component in the described transparent neutral laundry detergent that contains high-concentration chelating agent can be in the ratio range that provides flexible combination, do not enumerate one by one at this.
The polyoxyethylenated alcohol sodium sulfate that adopts in the present embodiment (70%) (English name abbreviation AES): anti-hard water is better, soil removability is strong;
The α-Xi Jihuangsuanyan that adopts in the present embodiment (35%) (English name abbreviation AOS): gentle, non-stimulated, good emulsification, dispersive ability;
Citric acid that adopts in the present embodiment and sodium hydroxide react in aqueous systems and generate Trisodium Citrate, and very strong sequestering power is arranged;
The polyacrylate that adopts in the present embodiment: good chelating, antiredeposition ability;
The 2 hydroxy propanoic acid that adopts in the present embodiment makes clothing wash the back increases gloss, soft-touch;
The white dyes that adopts in the present embodiment: can improve the appearance effect of solution, can increase the whiteness behind the clothes washing again;
The isothiazolinone that adopts in the present embodiment has another name called triumphant pine, is a kind of sanitas, can suppress microorganism growth in product of the present invention, prevents corruption.
Embodiment 2:
Present embodiment is the preferred version on embodiment 1 basis, and the quality of raw materials used (component) is identical with embodiment 1, and the weight ratio of each component is in the described transparent neutral laundry detergent that contains high-concentration chelating agent:
Polyoxyethylenated alcohol sodium sulfate (70%) 5
α-Xi Jihuangsuanyan 18.5
Citric acid 16
Sodium hydroxide 10
Polyacrylic acid 1
2 hydroxy propanoic acid salt 0.5
White dyes 0.2
Isothiazolinone 0.2
Essence 0.3
Deionized water 48.3;
The used weight unit of present embodiment is a kilogram, also can be gram.
Embodiment 3:
Present embodiment is the preferred version on embodiment 1 basis, and the quality of raw materials used (component) is identical with embodiment 1, and the weight ratio of each component is in the described transparent neutral laundry detergent that contains high-concentration chelating agent:
Polyoxyethylenated alcohol sodium sulfate (70%) 8
α-Xi Jihuangsuanyan (35%) 12.5
Citric acid 7
Sodium hydroxide 5
Polyacrylic acid 2
2 hydroxy propanoic acid salt 2
White dyes 0.1
Isothiazolinone 0.2
Essence 0.4
Deionized water 62.8;
The used weight unit of present embodiment is a kilogram, also can be gram.
Embodiment 4:
Present embodiment is the preferred version on embodiment 1 basis, and the quality of raw materials used (component) is identical with embodiment 1, and the weight ratio of each component is in the described transparent neutral laundry detergent that contains high-concentration chelating agent:
Polyoxyethylenated alcohol sodium sulfate (70%) 10
α-Xi Jihuangsuanyan (35%) 8.5
Citric acid 7
Sodium hydroxide 4.5
Polyacrylate 3
2 hydroxy propanoic acid 0.5
White dyes 0.03
Isothiazolinone 0.1
Essence 0.2
Deionized water 66.17;
The used weight unit of present embodiment is a kilogram, also can be gram.
Embodiment 5:
Present embodiment is the preparation method of embodiment 1-4.
A kind of preparation method who contains the transparent neutral laundry detergent of high-concentration chelating agent, this washing composition contains polyoxyethylenated alcohol sodium sulfate (70%), α-Xi Jihuangsuanyan (35%), citric acid, sodium hydroxide, polyacrylate, 2 hydroxy propanoic acid, white dyes, isothiazolinone, essence, deionized water; Among the preparation method of the described transparent neutral laundry detergent that contains high-concentration chelating agent, steps in sequence is as follows:
A. get the 30%-40% of the described deionized water weight in the said ratio, to wherein adding citric acid, sodium hydroxide, the described mixed solution A that obtains by the preparation weight ratio successively; This mixed solution A is formulated in changing the material still, need stir successively when adding described each component;
B. after treating that described solution A temperature is reduced to 60 ℃~70 ℃, add remaining described deionized water in polyoxyethylenated alcohol sodium sulfate (70%), α-Xi Jihuangsuanyan (35%), polyacrylate, 2 hydroxy propanoic acid, the said ratio by the preparation weight ratio successively, obtain mixing solutions B; When preparing this mixing solutions B, need stir successively when adding described each component;
C. in described solution B, add described white dyes stirring and dissolving by the preparation weight ratio, be cooled to 35 ℃~45 ℃ after, add described isothiazolinone, essence stirs, and obtains mixed solution C;
D. described mixed solution C is carried out filtration treatment, obtain the described transparent neutral laundry detergent that contains high-concentration chelating agent; In the described filtration treatment, the filtering net of employing is 200 orders.
In above-mentioned process for preparation, should note entire operation clean environment health, dustproof.