CN113861846B - Machine-washed tableware drier and preparation method thereof - Google Patents
Machine-washed tableware drier and preparation method thereof Download PDFInfo
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- CN113861846B CN113861846B CN202111207864.7A CN202111207864A CN113861846B CN 113861846 B CN113861846 B CN 113861846B CN 202111207864 A CN202111207864 A CN 202111207864A CN 113861846 B CN113861846 B CN 113861846B
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09F—NATURAL RESINS; FRENCH POLISH; DRYING-OILS; DRIERS (SICCATIVES); TURPENTINE
- C09F9/00—Compounds to be used as driers (siccatives)
Abstract
The application relates to the technical field of daily chemical industry, in particular to a mechanical tableware washing drier and a preparation method thereof. The mechanical tableware washing drier comprises the following components in parts by weight: 2-3 parts of surfactant solubilizer; 0.8-1.2 parts of a detergent; 0.1-0.5 part of preservative; 0.0002-00005 parts of pigment; 80-100 parts of deionized water; 6-7 parts of a surfactant; the surfactant is composed of three or more of AEO-7, AEO-9, LF221 and LF 403. According to the quick-drying process, through the compounding of the AEO-7, the AEO-9, the LF221, the LF403 and other surfactants, namely the synergistic effect of the three, a better quick-drying effect is achieved, and when spots and a spot film are not easily generated on a vessel, less foam is generated in the rinsing process.
Description
Technical Field
The application relates to the technical field of daily chemical industry, in particular to a mechanical tableware washing drier and a preparation method thereof.
Background
Along with the improvement of living standard of people and the popularization of automation technology, the automatic dish washing machine is gradually applied to places such as hotels, fast food restaurants, factory canteens and the like, the washing cycle process of the automatic dish washing machine mainly comprises the steps of soaking or prewashing, main washing, rinsing, sterilizing, drying and the like, and rinsing liquid containing drier is generally added in the rinsing process of the automatic dish washing machine for rinsing so as to achieve better cleaning and drying effects.
The drier in the related art is composed of surfactants: fatty alcohol-polyoxyethylene ether, surfactant solubilizer: the main function of the surfactant in the drier is to reduce the surface energy of the ware or reduce the interfacial tension between liquid and solid, so that the rinsing solution can rapidly flow down from the surface of the ware in a uniform thin water curtain shape, thereby reducing the generation of spots and spot films on the ware and ensuring that the drying rate of the ware is high.
The drier has the advantages that the generated foam is small, but the foam can still accumulate along with the rinsing process to generate a large amount of foam, the use effect of the drier can be reduced due to the accumulation of the foam, machinery can overflow possibly, and the operation and normal use of the machinery are influenced, so that the drier which can ensure the drying effect and is not easy to generate foam in the rinsing process needs to be developed urgently.
Disclosure of Invention
In order to ensure the drying and rinsing effects and ensure that the machine-washed tableware is not easy to generate foam, the application provides the machine-washed tableware drying agent and the preparation method thereof.
In a first aspect, the application provides a machine-washing tableware drier, which adopts the following technical scheme:
the machine-washed tableware drier comprises the following components in parts by weight:
2-3 parts of a surfactant solubilizer;
0.8-1.2 parts of a detergent;
0.1-0.5 part of preservative;
0.0002-00005 parts of pigment;
80-100 parts of deionized water;
6-7 parts of a surfactant;
the surfactant is composed of two or more of AEO-7, AEO-9, LF221 and LF 403.
By adopting the technical scheme, the mechanical tableware washing drier composed of the surfactant, the detergent, the surfactant cosolvent and the like has the advantages that the compounding effect of the components is optimal, the liquid and solid interfacial tension can be reduced, simultaneously, the defoaming can be mutually inhibited, the generation of foam is remarkably reduced, and the mechanical tableware washing drier is endowed with excellent rinsing performance.
The machine-washing tableware drier in the proportion obviously reduces the liquid and solid interfacial tension mainly through the compounding and the synergistic effect of various surfactants, so that the machine-washing tableware drier can be quickly dried in the rinsing process, spots or blotches are not easy to generate, the foam generation amount is less, and the rinsing performance of the machine-washing tableware drier is not easy to influence.
Preferably, the surfactant consists of AEO-7, AEO-9, LF221 and LF 403.
By adopting the technical scheme, the composite surfactant obtained by compounding the four component surfactants can remarkably reduce the liquid and solid interfacial tension through the compounding effect of the four components, so that the generation of spots or spot films after rinsing is reduced, the fouling area is only 0.004-0.013%, the foam generation amount is less and is higher than II level, and the rinsing performance of the drier is ensured.
Preferably, the surfactant is prepared from AEO-7, AEO-9, LF221 and LF403 in a weight ratio of 1: (1.6-1.7): (31-32): (7-9).
By adopting the technical scheme, the composite surfactant obtained by compounding the four surfactants in the ratio has easier compounding effect, can obviously reduce the interfacial tension of liquid and solid, can reduce the generation of spots or mottled films after rinsing, has the fouling area of only 0.004-0.008 percent, has less generation amount of integral foam which is higher than grade I, and endows the drier with excellent rinsing performance.
Preferably, the composition also comprises 0.3-0.5 part of phosphorus-containing chelating auxiliary agent, wherein the phosphorus-containing chelating auxiliary agent is prepared by compounding polyether amine, sodium citrate and sodium tripolyphosphate.
By adopting the technical scheme, the addition of the phosphorus-containing chelating aid is beneficial to further improving the rinsing effect of the drier, and the reason for analyzing the rinsing effect is probably that the phosphorus-containing chelating aid has the capability of chelating calcium and magnesium ions, can soften hard water and simultaneously can enhance the wetting capability of the surfactant through the compounding effect of the phosphorus-containing chelating aid, the phosphorus-containing chelating aid and the magnesium ions, so that spots or a spot film on a vessel are further reduced.
Preferably, the phosphorus-containing chelating aid is prepared from polyether amine, sodium citrate and sodium tripolyphosphate in a weight ratio of 1: (0.3-0.5): (0.05-0.15) by compounding.
By adopting the technical scheme, the phosphorus-containing chelating auxiliary agent with the proportion and the content has better compounding synergistic effect, can obviously soften hard water, improve the water quality, simultaneously enhance the wetting capacity of the surfactant, further obviously reduce spots or spot membranes on utensils, has the fouling area of only 0.003-0.005 percent,
preferably, the preparation method of the phosphorus-containing chelating assistant is as follows:
I. firstly, mixing sodium citrate and sodium tripolyphosphate, and mixing according to a solid-to-liquid ratio of 1: (2-3) mixing and adding into water, heating to 90-100 ℃, and mixing for 45-60min at a speed of 800-1000r/min to obtain a mixture A;
II. And further mixing the obtained mixture A and polyether amine, mixing for 60-90min at the normal temperature and pressure at 2000-3000r/min to obtain an emulsified material B, and then carrying out vacuum drying to remove water until the water content is lower than 0.05% to obtain the phosphorus-containing chelating aid.
By adopting the technical scheme, the phosphorus-containing chelating additive prepared by the process has stable and uniform performance, can stably exert the effects of improving water quality and promoting dispersion and wetting of the surfactant, and is easy to control various operating conditions, so that the phosphorus-containing chelating additive is suitable for industrial production.
Preferably, the surfactant solubilizer is one or more of sodium cumene sulfonate, sodium xylene sulfonate and sodium alkyl naphthalene sulfonate.
By adopting the technical scheme, the surfactant solubilizer compounded by the components is beneficial to further improving the rinsing effect of the drier, and the reason for analyzing the surfactant solubilizer is probably to promote the dispersion, dissolution, wetting and other performances of the surfactant, so that the using effect of the surfactant is strengthened.
In a second aspect, the application provides a preparation method of the mechanical tableware-washing drier, which adopts the following technical scheme: a preparation method of the mechanical tableware washing drier comprises the following steps:
s1, mixing and stirring a surfactant and a surfactant solubilizer with deionized water according to corresponding parts by weight for 5-10min;
s2, adding the other components except the pigment, and continuously stirring for 5-10min;
and S3, after the pigment is completely dissolved, adding the pigment, heating to 60-80 ℃, stirring for 10-20min, filtering through a filter screen of 200-250 meshes, and discharging to obtain the mechanical tableware washing drier.
By adopting the technical scheme, the process is overall simpler, various conditions are easy to control and achieve, and meanwhile, the performance of the obtained product is uniform and stable, so that the process is suitable for batch industrial production with lower cost.
In summary, the present application has the following beneficial effects:
1. according to the composite mechanical tableware drier, the composite surfactant is matched with the surfactant cosolvent and other components, so that the interfacial tension of liquid and solid can be remarkably reduced, and simultaneously, defoaming can be mutually inhibited, so that the generation of foam is reduced, and the mechanical tableware drier is endowed with excellent rinsing performance;
2. the addition of the phosphorus-containing chelating auxiliary agent further improves the rinsing effect of the drier, improves the water quality by chelating calcium and magnesium ions, and enhances the wetting capacity of the surfactant by the compounding effect of the calcium ions, the magnesium ions and the magnesium ions, so that spots or blotches on a utensil are further reduced;
3. the preparation method is simple, various operating conditions are easy to control, and meanwhile, the performance of the prepared machine-washed tableware drier is stable and uniform, and the machine-washed tableware drier has excellent rinsing defoaming performance, so that the machine-washed tableware drier is suitable for large-scale industrial production.
Detailed Description
The present application will be described in further detail with reference to examples, and the starting materials used in the examples and comparative examples of the present application are commercially available.
AEO-7 and AEO-9, both purchased from Shanghai commercial and trade Co., ltd;
LF221 and LF403 are both purchased from Shanghai Kaiyn chemical Co., ltd;
polyetheramine, CAS No.: 9046-10-0, purchased from Kyon chemical Co., ltd of Shanghai;
sodium cumene sulfonate (SCS-40) model BP-8166, purchased from Shandong Poppon import & export Co.
Preparation examples
Preparation example 1
The preparation method of the phosphorus-containing chelating auxiliary agent comprises the following steps:
I. firstly, 0.2kg of sodium citrate and 0.02kg of sodium tripolyphosphate are mixed according to the solid-liquid ratio of 1:2, mixing and adding the mixture into water, heating the mixture to 95 ℃, and mixing the mixture for 60min at a speed of 800r/min to prepare a mixture A;
II. Further mixing the obtained mixture A with polyetheramine, wherein the amount of the polyetheramine is 1.0kg, mixing for 60min at the speed of 3000r/min under the conditions of normal temperature and normal pressure to obtain an emulsified material B, and then carrying out vacuum drying to remove water until the water content is lower than 0.05% to obtain the phosphorus-containing chelating aid;
namely, the phosphorus-containing chelating aid is prepared from polyether amine, sodium citrate and sodium tripolyphosphate according to the weight ratio of 1:0.2:0.02 is compounded.
Preparation example 2
A phosphorus-containing chelating aid is different from the chelating aid prepared in preparation example 1 in that the preparation method comprises the following steps:
I. firstly, 0.3kg of sodium citrate and 0.05kg of sodium tripolyphosphate are mixed according to the solid-liquid ratio of 1:2, mixing and adding the mixture into water, heating the mixture to 95 ℃, and mixing the mixture for 60min at a speed of 800r/min to prepare a mixture A;
II. Further mixing the obtained mixture A with polyetheramine, wherein the amount of the polyetheramine is 1.0kg, mixing for 60min at the speed of 3000r/min under the conditions of normal temperature and normal pressure to obtain an emulsified material B, and then carrying out vacuum drying to remove water until the water content is lower than 0.05% to obtain the phosphorus-containing chelating aid;
namely, the phosphorus-containing chelating aid is prepared from polyether amine, sodium citrate and sodium tripolyphosphate according to the weight ratio of 1:0.3:0.05 is compounded.
Preparation example 3
A phosphorus-containing chelating aid is different from the chelating aid prepared in preparation example 1 in that the preparation method comprises the following steps:
I. 0.4kg of sodium citrate and 0.10kg of sodium tripolyphosphate are mixed firstly, and the solid-liquid ratio is 1:2, mixing and adding the mixture into water, heating the mixture to 95 ℃, and mixing the mixture for 60min at a speed of 800r/min to prepare a mixture A;
II. Further mixing the obtained mixture A with polyetheramine, wherein the amount of the polyetheramine is 1.0kg, mixing for 60min at the speed of 3000r/min under the conditions of normal temperature and normal pressure to obtain an emulsified material B, and then carrying out vacuum drying to remove water until the water content is lower than 0.05% to obtain the phosphorus-containing chelating aid;
namely, the phosphorus-containing chelating aid is prepared from polyether amine, sodium citrate and sodium tripolyphosphate according to the weight ratio of 1:0.4:0.10 is compounded.
Preparation example 4
A phosphorus-containing chelating aid is different from the chelating aid prepared in preparation example 1 in that the preparation method comprises the following steps:
I. 0.5kg of sodium citrate and 0.15kg of sodium tripolyphosphate are mixed firstly, and the solid-liquid ratio is 1:2, mixing and adding the mixture into water, heating the mixture to 95 ℃, and mixing the mixture for 60min at a speed of 800r/min to prepare a mixture A;
II. Further mixing the obtained mixture A with polyetheramine, wherein the amount of the polyetheramine is 1.0kg, mixing for 60min at the speed of 3000r/min under the conditions of normal temperature and normal pressure to obtain an emulsified material B, and then carrying out vacuum drying to remove water until the water content is lower than 0.05% to obtain the phosphorus-containing chelating aid;
namely, the phosphorus-containing chelating auxiliary agent is prepared from polyether amine, sodium citrate and sodium tripolyphosphate according to a weight ratio of 1:0.5:0.15 is compounded.
Preparation example 5
The phosphorus-containing chelating aid is different from the phosphorus-containing chelating aid prepared in preparation example 1 in that the preparation method comprises the following steps:
I. firstly, 0.6kg of sodium citrate and 0.20kg of sodium tripolyphosphate are mixed according to the solid-liquid ratio of 1:2, mixing and adding the mixture into water, heating the mixture to 95 ℃, and mixing the mixture for 60min at a speed of 800r/min to prepare a mixture A;
II. Further mixing the obtained mixture A with polyetheramine, wherein the amount of the polyetheramine is 1.0kg, mixing for 60min at the speed of 3000r/min under the conditions of normal temperature and normal pressure to obtain an emulsified material B, and then carrying out vacuum drying to remove water until the water content is lower than 0.05% to obtain the phosphorus-containing chelating aid;
namely, the phosphorus-containing chelating auxiliary agent is prepared from polyether amine, sodium citrate and sodium tripolyphosphate according to a weight ratio of 1:0.6:0.2 is compounded.
Performance test
Respectively taking 20g of the mechanical tableware drier obtained in each embodiment and each comparative example to be used in the rinsing operation of a dishwasher, wherein samples to be cleaned are 5 ceramic plates with consistent size, type and material, and then carrying out performance detection on the ceramic plates:
1) Observing whether spots or mottled films exist on the surface of the sample after rinsing, if so, calculating the percentage of the sample in the total area of the vessel, and taking the average value as the stained area A%;
2) Observing whether foam is generated or not in the rinsing process, and grading according to the foam generation amount;
the rating criteria are as follows:
wherein the device is an Olympic OBO-1839SH dishwasher;
the detergent is 01, purchased from wonderful (Guangzhou) cleaning products, and added in an amount of 0.5 percent of the total water consumption weight;
the washing process and conditions are as follows: washing for 1 hour, wherein the main washing is carried out at 60 ℃, rinsing is carried out at 68 ℃, and the specific operation is carried out according to the equipment instruction and the instruction content;
water consumption: 8.5L of domestic tap water, the content of calcium and magnesium ions is less than 300ppm through detection.
Examples
Example 1
The mechanical tableware washing drier has the components and the corresponding weight shown in Table 1 and is prepared through the following steps:
s1, mixing and stirring a surfactant and a surfactant solubilizer with deionized water according to corresponding parts by weight at a speed of 800r/min for 10min;
the surfactant consists of AEO-7 and LF221 according to the proportion of 1;
the surfactant solubilizer is sodium isopropylbenzene sulfonate;
s2, adding the other components except the pigment, and continuously stirring for 5min;
wherein the detergent is citric acid monohydrate, and the preservative is potassium sorbate;
and S3, after complete dissolution, finally adding a pigment, namely Shitou brand No. 85 brilliant blue (RM-4044), heating to 60 ℃, stirring for 25min, and filtering and discharging through a 200-250 mesh filter screen to obtain the machine-washing tableware drier.
Examples 2 to 6
A machine dishwashing drier differing from example 1 in that the components and their respective weights are shown in table 1.
Table 1: each component and the corresponding weight (kg) in examples 1-6
Comparative example 1
A machine dish dryer which differs from example 1 in that the conditions are the same as in example 1 except that the surfactant is AEO-7 alone.
Comparative example 2
A machine dish washing drier is different from the drier in example 1 in that the conditions are the same as example 1 except that the surfactant is only LF221 alone.
The mechanical dishwasher driers prepared in the above examples 1-6 and comparative examples 1-2 were extracted and tested for their performance, and the stained area a% and the foam yield grade during rinsing were recorded, respectively, and the test results are reported in the following table:
as can be seen from the above table, the mechanical tableware-washing drier prepared in examples 1-6 can effectively reduce spots or blotches generated on utensils, also greatly inhibit the generation of foams in the rinsing process, and make the foam output grade higher than grade II, so as to ensure the smooth proceeding of the rinsing process, wherein the stained area is 0.007-0.018%, 18-68% compared with comparative example 1, and 87-94% compared with comparative example 2, thus a certain compounding synergistic effect is achieved among the surfactants.
Further, the examples 2 to 4 are preferred examples, the foam yield grade is higher than the grade II, the fouling area is small and is only 0.007 to 0.015 percent, the components and the content are in a preferred proportion, and the drier in the proportion has a better rinsing effect.
In particular, the mechanical dishwasher dryer prepared in example 3 has a foam yield level up to grade I and a smaller stained area of only 0.007%, and thus the above components and contents are the most preferable ratios, and the dryer having the most preferable ratio has the best rinsing effect.
The reason for analyzing the above may be that the compounding effect of the surfactant component, the detergent, the surfactant cosolvent and other components of the mechanical dishwashing dryer in the above ratio is optimal, so that the surfactant can reduce the liquid and solid interfacial tension, and simultaneously can inhibit defoaming mutually, significantly reduce the generation of foam, and can dry quickly, thereby endowing the mechanical dishwashing dryer with excellent rinsing performance.
It can also be seen from the above table that comparative example 1 has a greatly reduced rinsing effect compared to example 1 due to the use of only AEO-7 alone as the surfactant, and the foam yield rating of class II is still obtained, but the stained area is 0.022%, which is increased by 22% compared to example 1.
As can be seen from the above table, comparative example 2 has a greatly reduced rinsing effect, a foam production grade of only class III, and a larger stained area of up to 0.112%, compared to example 1, due to the use of only LF221 alone as a surfactant, which is increased by 522% compared to example 1.
In conclusion, the machine-washing tableware drier in the proportion can reduce the interfacial tension of liquid and solid by compounding and synergistic effect of various surfactants, can inhibit defoaming mutually, obviously reduces the generation of foam, is quick to dry, is not easy to generate spots or spot films, and further endows the machine-washing tableware drier with excellent rinsing performance.
Example 7
A machine dishwashing drier, which is different from example 1 in that, except for surfactants, the detergent composition is prepared from AEO-7, AEO-9, LF221 and LF403 in a weight ratio of 1:1.5:30: the conditions other than the composition of 6 were the same as those in example 1.
Example 8
A mechanical dish washing drier is different from the drier in example 1 in that the surface active agent is composed of AEO-7, AEO-9, LF221 and LF403 in the weight ratio of 1:1.6:31: except for the composition of 7, the conditions were the same as in example 1.
Example 9
A mechanical dish washing drier is different from the drier in example 1 in that the surface active agent is composed of AEO-7, AEO-9, LF221 and LF403 in the weight ratio of 1:1.65:31.5: the conditions other than 8 composition were the same as in example 1.
Example 10
A mechanical dish washing drier is different from the drier in example 1 in that the surface active agent is composed of AEO-7, AEO-9, LF221 and LF403 in the weight ratio of 1:1.7:32: the conditions other than 9 were the same as in example 1.
Example 11
A mechanical dish washing drier is different from the drier in example 1 in that the surface active agent is composed of AEO-7, AEO-9, LF221 and LF403 in the weight ratio of 1:1.8:33: the conditions other than 10 compositions were the same as in example 1.
The mechanical dishwasher driers prepared in examples 7 to 11 were collected and tested for properties, and the stained area A% and the foam yield grade during rinsing were recorded, respectively, and the test results are reported in the following table:
it can be seen from the above table that the machine-washable tableware driers prepared in examples 7-11 can effectively reduce spots or mottled films generated on utensils, and also greatly inhibit the generation of foams in the rinsing process, so that the foam yield grade is higher than grade II, and the smooth proceeding of the rinsing process is ensured, the stained area of the machine-washable tableware driers is 0.004-0.013%, and is reduced by 28-78% compared with example 1, and it can be seen that the compound synergistic effect of the four surfactants is better.
Further, examples 8 to 10 are preferred examples, which have foam yield ratings higher than class I and smaller fouling areas, only 0.004 to 0.008%, and it can be seen that the surfactant is composed of AEO-7, AEO-9, LF221 and LF403 in a weight ratio of 1: (1.6-1.7): (31-32): (7-9) the rinsing effect is good.
In particular, the mechanical dishwasher dryer obtained in example 9 showed a foam yield level up to grade I and a smaller stained area of only 0.004%, and it was found that the surfactant was composed of AEO-7, AEO-9, LF221 and LF403 in a weight ratio of 1:1.65:31.5: the rinsing effect is best when the composition is 8.
In conclusion, the composite surfactant obtained by compounding the four-component surfactant can remarkably reduce the liquid and solid interfacial tension through the compounding effect of the four components, thereby reducing the generation of spots or mottle after rinsing and ensuring the rinsing performance of the drier.
Examples 12 to 16
A mechanical dishwashing drier, which differs from example 1 in that the components and their respective weights are as shown in the following table, wherein the phosphorus-containing chelating agent is composed of polyetheramine, sodium citrate and sodium tripolyphosphate in a weight ratio of 1:0.2:0.02 and mixing.
Table (b): examples 12-16 Components and respective weights (kg)
The mechanical dishwasher driers prepared in examples 12 to 16 were collected and tested for properties, and the stained area A% and the foam yield rating during rinsing were recorded, respectively, and the test results are reported in the following table:
it can be seen from the above table that the mechanical tableware-washing drier prepared in examples 12-16 can effectively reduce spots or spot films generated on the dishes, and also greatly inhibit the generation of foams in the rinsing process, so that the foam yield grade is higher than grade II, and the smooth proceeding of the rinsing process is further ensured, the fouling area is 0.008-0.015%, and is reduced by 17-39% compared with example 1, and the addition of the phosphorus-containing chelating agent is seen, which is beneficial to further improving the rinsing effect of the drier.
Further, examples 13 to 15 are preferred examples, and the foam yield grade is higher than grade I, and the fouling area is small, only 0.003 to 0.005%, and it can be seen that the rinsing effect is good when the amount of the phosphorus-containing chelating agent is 0.3 to 0.5 kg.
In particular, the mechanical dishwasher dryer prepared in example 14 had a foam yield level as high as class I, a smaller stained area of only 0.003%, and a better rinsing effect when the amount of the phosphorus-containing chelating agent was 0.4 kg.
In conclusion, the addition of the phosphorus-containing chelating aid is beneficial to further improving the rinsing effect of the drier, and the reason for analyzing the effect is probably that the phosphorus-containing chelating aid not only has the capability of chelating calcium and magnesium ions, but also can soften hard water, and simultaneously can enhance the wetting capability of the surfactant through the compounding effect of the phosphorus-containing chelating aid, the calcium and the magnesium ions, so that spots or a spot film on a vessel can be further reduced.
Example 17
A machine-dishwasher dish-dryer which differs from example 14 in that, except for the phosphorus-containing chelating agent, a polyether amine, sodium citrate and sodium tripolyphosphate are mixed in a weight ratio of 1:0.3: except that 0.05 formulation, the other conditions were the same as in example 14.
Example 18
A mechanical dishwashing dryer as compared with example 14, wherein the chelating agent, except for the phosphorus, is a mixture of polyetheramine, sodium citrate and sodium tripolyphosphate in a weight ratio of 1:0.4:0.10 formulation, and the other conditions are the same as in example 14.
Example 19
A machine-dishwasher dish-dryer which differs from example 14 in that, except for the phosphorus-containing chelating agent, a polyether amine, sodium citrate and sodium tripolyphosphate are mixed in a weight ratio of 1:0.5:0.15, and the other conditions are the same as in example 14.
Example 20
A machine-dishwasher dish-dryer which differs from example 14 in that, except for the phosphorus-containing chelating agent, a polyether amine, sodium citrate and sodium tripolyphosphate are mixed in a weight ratio of 1:0.6:0.2 was compounded, and the other conditions were the same as in example 14.
The mechanical dishwasher driers of examples 17-20 were collected and tested for performance, and the soiled area A% and the level of foam output during rinsing were recorded, and the results are reported in the following table:
it can be seen from the above table that the mechanical tableware-washing drier prepared in examples 17-20 can effectively reduce spots or blotches on utensils, and also greatly inhibit the generation of foams in the rinsing process, so that the foam yield grade is higher than grade I, and the smooth proceeding of the rinsing process is ensured, the fouling area is 0.003-0.007%, and is reduced by 13-63% compared with example 14, thus the phosphorus-containing chelating auxiliary compounded by the components is beneficial to further improving the rinsing effect of the drier.
Further, examples 17-19 are preferred examples, which have foam yield ratings higher than class I and smaller fouling areas, only 0.003-0.005%, and it can be seen that the phosphorus-containing chelating agent is a mixture of polyetheramine, sodium citrate and sodium tripolyphosphate in a weight ratio of 1: (0.3-0.5): (0.05-0.15) has better rinsing effect when being compounded.
In particular, the mechanical dishwasher dryer prepared in example 18 had a foam yield rating up to class I and a smaller stained area of only 0.003%, and it was found that the phosphorus-containing chelating agent was composed of polyetheramine, sodium citrate and sodium tripolyphosphate in a weight ratio of 1:0.4:0.1 when the cleaning agent is compounded, the rinsing effect is optimal.
In conclusion, the phosphorus-containing chelating aid with the proportion and the content has a better compounding synergistic effect, can obviously soften hard water, improve the water quality and simultaneously enhance the wetting capacity of the surfactant, thereby obviously reducing spots or blotches on utensils.
Example 21
A mechanical dishwashing dryer which is different from example 1 in that the same conditions as example 1 are used except that the surfactant solubilizers are sodium cumene sulfonate and sodium xylene sulfonate, which have the composition of 1.
Example 22
A machine-dishwasher dish-dryer is different from example 1 in that the conditions are the same as in example 1 except that surfactant solubilizers are sodium cumene sulfonate and sodium alkyl naphthalene sulfonate having a composition of 1.
Example 23
A mechanical tableware drier, which is different from the drier in example 1 in that except that surfactant solubilizers are sodium cumene sulfonate, sodium xylene sulfonate and sodium alkyl naphthalene sulfonate, the ratio of the sodium cumene sulfonate, the sodium xylene sulfonate and the sodium alkyl naphthalene sulfonate is 1:1: the conditions other than 1 composition were the same as in example 1.
The mechanical dishwasher driers prepared in examples 21 to 23 were collected and tested for properties, and the stained area A% and the foam yield rating during rinsing were recorded, respectively, and the test results are reported in the following table:
it can be seen from the above table that the mechanical tableware-washing driers prepared in examples 21-23 can effectively reduce spots or blotches on dishes, and also greatly inhibit the generation of foams in the rinsing process, so that the foam yield grade is higher than II grade, and the smooth proceeding of the rinsing process is further ensured, wherein the fouling area is 0.010-0.016%, and is reduced by 11-44% compared with example 1.
Therefore, the surfactant solubilizer compounded by the components has a certain compounding effect among the surfactant solubilizers of various components, and when the surfactant solubilizer, the surfactant solubilizer and the surfactant solubilizer are used simultaneously, the compounding effect is best, the rinsing effect of the drier can be further improved, and the reason for analyzing the effect can be that the dispersing, dissolving, wetting and other properties of the surfactant are promoted.
The specific embodiments are only for explaining the present application and are not limiting to the present application, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present application.
Claims (5)
1. The machine-washed tableware drier is characterized by comprising the following components in parts by weight:
2-3 parts of a surfactant solubilizer;
0.8-1.2 parts of a detergent;
0.1-0.5 part of preservative;
0.0002-00005 parts of pigment;
80-100 parts of deionized water;
6-7 parts of a surfactant;
the surfactant is prepared from AEO-7, AEO-9, LF221 and LF403 in a weight ratio of 1: (1.6-1.7): (31-32): (7-9);
the surfactant solubilizer is one or more of sodium cumene sulfonate, sodium xylene sulfonate and sodium alkyl naphthalene sulfonate.
2. The machine-washed tableware drier according to claim 1, further comprising 0.3-0.5 parts of a phosphorus-containing chelating aid, wherein the phosphorus-containing chelating aid is compounded from polyetheramine, sodium citrate and sodium tripolyphosphate.
3. The machine-dishwashing dryer of claim 2, wherein the phosphorus-containing chelating aid is a mixture of polyetheramine, sodium citrate, and sodium tripolyphosphate in a weight ratio of 1: (0.3-0.5): (0.05-0.15) by compounding.
4. The machine-dishwasher dryer according to claim 2 or 3, wherein the phosphorus-containing chelating agent is prepared by the following method:
I. firstly, mixing sodium citrate and sodium tripolyphosphate, and mixing according to a solid-to-liquid ratio of 1: (2-3) mixing and adding into water, heating to 90-100 ℃, and mixing for 45-60min at a speed of 800-1000r/min to obtain a mixture A;
II. And further mixing the obtained mixture A and polyether amine, mixing for 60-90min at the normal temperature and pressure at 2000-3000r/min to obtain an emulsified material B, and then carrying out vacuum drying to remove water until the water content is lower than 0.05% to obtain the phosphorus-containing chelating aid.
5. A method of making a machine dishwasher dryer according to any of claims 1 to 4, comprising the steps of:
s1, mixing and stirring a surfactant and a surfactant solubilizer with deionized water according to corresponding parts by weight for 5-10min;
s2, adding the other components except the pigment, and continuously stirring for 5-10min;
s3, after complete dissolution, finally adding the pigment, heating to 60-80 ℃, stirring for 10-20min, and then filtering and discharging through a 200-250 mesh filter screen to obtain the mechanical tableware washing drier.
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