阅读说明：本技术 一种茶垢清洁剂 (Tea dirt cleaning agent ) 是由 杨连开 杨鲁 于 2021-10-25 设计创作，主要内容包括：本发明公开了一种茶垢清洁剂,属于清洁剂技术领域。且所述茶垢清洁剂包括以下重量份原料：20-40份三聚磷酸钠、10-20份碳酸氢钠、7.5-12.5份螯合剂、15-21份润湿剂、5.5-10.5份表面活性剂、8-12份氧化剂、2.5-5.5份助剂。且所述助剂具有硅氧结构和季铵盐结构,通过硅氧结构之间易形成氢键作用,使得清洗液在茶垢表面形成清洁膜,提高清洁作用,而且,硅氧结构具有表面活性剂的作用,与其他表面活性剂协同发挥对茶垢的渗透作用,进一步提高清洁作用；通过季铵盐结构,与抗氧化剂协同发挥对细菌进行杀活作用；且所述清洁剂中不含强酸强碱,腐蚀性低,不伤手。(The invention discloses a tea stain cleaning agent, and belongs to the technical field of cleaning agents. And the tea dirt cleaning agent comprises the following raw materials in parts by weight: 20-40 parts of sodium tripolyphosphate, 10-20 parts of sodium bicarbonate, 7.5-12.5 parts of chelating agent, 15-21 parts of wetting agent, 5.5-10.5 parts of surfactant, 8-12 parts of oxidant and 2.5-5.5 parts of auxiliary agent. The auxiliary agent has a silica structure and a quaternary ammonium salt structure, so that a cleaning film is formed on the surface of tea scale by the cleaning liquid through the action of hydrogen bonds easily formed between the silica structures, the cleaning effect is improved, and the silica structure has the action of a surfactant and can perform the penetrating action on the tea scale with the cooperation of other surfactants, so that the cleaning effect is further improved; through the quaternary ammonium salt structure, the quaternary ammonium salt and the antioxidant cooperatively play a role in killing bacteria; and the cleaning agent does not contain strong acid and strong alkali, has low corrosivity and does not hurt hands.)

1. A tea stain cleaning agent is characterized in that: the feed comprises the following raw materials in parts by weight: 20-40 parts of sodium tripolyphosphate, 10-20 parts of sodium bicarbonate, 7.5-12.5 parts of chelating agent, 15-21 parts of wetting agent, 5.5-10.5 parts of surfactant, 8-12 parts of oxidant and 2.5-5.5 parts of auxiliary agent;

the auxiliary agent is prepared by the following method:

mixing pentaerythritol chloroacetate, quaternized siloxane and n-butanol, adding potassium carbonate, heating and refluxing for 5h, stopping the reaction, cooling to room temperature, adding hydrochloric acid to adjust the pH to 7, drying with anhydrous magnesium sulfate, performing rotary evaporation, performing vacuum drying, and grinding through a 60-100-mesh sieve to obtain the assistant.

2. A tea stain cleaner according to claim 1, wherein: the molar ratio of the pentaerythritol chloroacetate to the quaternized siloxane to the potassium carbonate is 1: 5-5.2: 5.5-6.

3. A tea stain cleaner according to claim 1, wherein: the chelating agent is one or a mixture of more of EDTA, EDTA disodium salt and EDTA tetrasodium salt in any ratio.

4. A tea stain cleaner according to claim 1, wherein: the wetting agent is metasilicic acid.

5. A tea stain cleaner according to claim 1, wherein: the pentaerythritol chloroacetate is prepared by the following method:

mixing pentaerythritol, chloroacetic acid and toluene, adding p-toluenesulfonic acid, heating, refluxing, reacting for 12h, and performing post-treatment to obtain pentaerythritol chloroacetate.

6. A tea stain cleaner according to claim 5 wherein: the molar ratio of the pentaerythritol to the chloroacetic acid is 1: 4.5-5.

7. A tea stain cleaner according to claim 1, wherein: the quaternized siloxane is prepared by the following method:

uniformly mixing aminopropyltriethoxysilane and anhydrous ethyl acetate, adding glycidyl trimethyl ammonium chloride, adjusting the pH value of the solution to 10.5, heating to 48 ℃, stirring for reaction for 30-80min, and performing post-treatment to obtain the quaternized siloxane.

8. A tea stain cleaner according to claim 7 wherein: the dosage ratio of the aminopropyltriethoxysilane, the ethyl acetate and the glycidyl trimethyl ammonium chloride is 0.12-0.13 mol: 20-50 mL: 0.1 mol.

Technical Field

The invention belongs to the technical field of cleaning agents, and particularly relates to a tea stain cleaning agent.

Background

The tea set has the habit of drinking tea since ancient times, the tea contains theophylline, the theophylline is easily attached to the surface of the tea set after the tea set is used for a long time, attached tea scale is difficult to remove, a large amount of bacteria are inevitably bred, the substances are difficult to remove through general washing, the tea set is polluted, the appearance is influenced, the tea set is not sanitary, and the taste of the tea is influenced.

At present, the common tea scale cleaning agent is generally prepared by compounding inorganic acid, organic acid, inorganic alkali and other chemical reagents, and the cleaning of theophylline is achieved through the reaction of the acid-base property of the cleaning agent and the theophylline. Therefore, a tea stain cleaning agent which is mild, does not hurt hands, has low corrosiveness on tea sets and has strong cleaning capability is needed.

For example, the Chinese patent CN111778115A discloses a cleaning agent and a preparation method thereof, wherein the cleaning agent comprises, by weight, 35-53 parts of a surfactant, 3-7 parts of a salt assistant, 3-6 parts of a cleaning assistant, 2-5 parts of citric acid and 100 parts of water by weight. The salt auxiliary agent is a mixture of sodium tripolyphosphate, sodium silicate, sodium carbonate and sodium benzoate, and the cleaning auxiliary agent is guar gum hydroxypropyl trimethyl ammonium chloride and/or modified guar gum. The invention achieves the purpose of cleaning through the synergistic effect among various surfactants, salt assistants, cleaning assistants and citric acid, avoids the use of a large amount of inorganic acid and reduces the corrosion capacity of the cleaning agent. However, the cleaning ability of the cleaning agent is mainly expressed by citric acid, and the surfactant, the salt assistant and the cleaning assistant all have auxiliary cleaning effects, and the cleaning ability of the cleaning agent needs to be improved.

Therefore, the invention provides the tea stain cleaning agent which is not harmful to hands, has low corrosivity and strong cleaning capability.

Disclosure of Invention

The invention aims to provide a tea stain cleaning agent.

The technical problems to be solved by the invention are as follows: solves the problem of strong corrosivity of the existing tea dirt cleaning agent.

The purpose of the invention can be realized by the following technical scheme:

the tea dirt cleaning agent is powdery and comprises the following raw materials in parts by weight: 20-40 parts of sodium tripolyphosphate, 10-20 parts of sodium bicarbonate, 7.5-12.5 parts of chelating agent, 15-21 parts of wetting agent, 5.5-10.5 parts of surfactant, 8-12 parts of oxidant and 2.5-5.5 parts of auxiliary agent.

Furthermore, the chelating agent is one or a mixture of more of EDTA, EDTA disodium salt and EDTA tetrasodium salt in any ratio, and the EDTA or the sodium salt thereof and metal ions such as calcium ions, magnesium ions and the like in the tea dirt form a complex, so that the decomposition of the tea dirt is promoted, and the dirt-removing capacity of the cleaning agent is improved.

Further, the wetting agent is metasilicic acid, and the tea scale is softened by utilizing the metasilicic acid.

Further, the surfactant is a solid surfactant, such as one of sodium dodecyl benzene sulfonate and potassium dodecyl phosphate salt or a mixture of the sodium dodecyl benzene sulfonate and the potassium dodecyl phosphate salt in any ratio.

Further, the oxidizing agent is sodium percarbonate, preferably coated sodium percarbonate.

Further, the auxiliary agent is prepared by the following steps:

a1, mixing pentaerythritol, chloroacetic acid and toluene, adding p-toluenesulfonic acid, heating and refluxing for reaction for 12 hours, stopping the reaction, adding toluene and NaOH solution for alkali washing, separating, then washing an oil phase to be neutral, separating again, drying the solution by using anhydrous magnesium sulfate, and then distilling under reduced pressure to obtain pentaerythritol chloroacetate, wherein the molar ratio of pentaerythritol to chloroacetic acid is 1: 4.5-5;

the molecular structural formula of the pentaerythritol chloroacetate is shown as follows:

in the A1 reaction, the alcoholic hydroxyl of pentaerythritol reacts with the carboxyl of chloroacetic acid to obtain pentaerythritol chloroacetate;

a2, uniformly mixing aminopropyltriethoxysilane and anhydrous ethyl acetate, adding glycidyltrimethyl ammonium chloride, adjusting the pH value of the solution to 10.5 by using sodium hydroxide, controlling the reaction condition to be 48 ℃, stirring for reaction for 30-80min, stopping the reaction, adjusting the solution to be neutral by using hydrochloric acid, adding acetone for precipitation and separation, dissolving and washing a precipitation product by using ethanol, precipitating and separating by using acetone again, and drying in vacuum to obtain the quaternized siloxane, wherein the dosage ratio of the aminopropyltriethoxysilane to the ethyl acetate to the glycidyltrimethyl ammonium chloride is 0.12-0.13 mol: 20-50 mL: 0.1 mol;

the molecular structure of the quaternized siloxane is shown below:

in the A2 reaction, terminal amino in aminopropyltriethoxysilane reacts with epoxy in glycidyltrimethylammonium chloride, and quaternary ammonium salt is introduced at the amino terminal of the aminopropyltriethoxysilane; the amount of the aminopropyltriethoxysilane is controlled to be more than 1 time of that of the glycidyltrimethyl ammonium chloride, so that the epoxy group is prevented from being excessive and continuously reacting with the reacted secondary amino group, and the secondary amino group in the obtained product is ensured;

a3, mixing pentaerythritol chloroacetate, quaternized siloxane and n-butanol, adding potassium carbonate, heating and refluxing for reaction for 5 hours, stopping the reaction, cooling to room temperature, adding hydrochloric acid to adjust the pH to 7, drying with anhydrous magnesium sulfate, performing rotary evaporation, performing vacuum drying, grinding, and sieving with a 60-100-mesh sieve to obtain the auxiliary agent, wherein the molar ratio of the pentaerythritol chloroacetate to the quaternized siloxane to the potassium carbonate is 1: 5-5.2: 5.5-6.

In the A3 reaction, chlorine in pentaerythritol chloroacetate and a substitution reaction of a secondary amino group in quaternized siloxane are utilized to obtain the aid with a tree-like structure, the molecular structural formula of the aid is shown as follows, and the aid has the structures of quaternary ammonium salt and siloxane, so that the aid has excellent bactericidal performance and surface activity performance.

A tea stain cleaning agent is prepared by the following steps: putting sodium tripolyphosphate, sodium bicarbonate, chelating agent, wetting agent, surfactant, oxidant and auxiliary agent into a mixer, starting the mixer, and mixing for 20-30min to obtain the tea scale cleaning agent.

When in use, the tea dirt cleaning agent prepared by the invention is dissolved in hot water according to the weight ratio of 3% to be diluted into cleaning fluid, and the cleaning fluid is used for cleaning the tea dirt of the tea set.

The invention has the beneficial effects that:

the raw materials of the tea dirt cleaning agent provided by the invention do not contain a large amount of organic acid-base or inorganic acid-base, so that the cleaning agent is low in corrosivity and does not hurt hands when in use;

the tea scale cleaning agent provided by the invention coordinately exerts excellent tea scale removing capability through scientific compatibility of sodium tripolyphosphate, sodium bicarbonate, chelating agent, wetting agent, surfactant, oxidant and auxiliary agent, has small corrosivity on tea sets, and is explained as follows: the tea scale is softened by using a wetting agent and sodium bicarbonate, the tea scale is subjected to oxidative decomposition by using an oxidant, a complex is formed by using sodium tripolyphosphate and a chelating agent and metal ions such as calcium ions and magnesium ions in the tea scale, the decomposition of the tea scale is accelerated, particularly, a cleaning film is formed on the surface of the tea scale by a cleaning liquid through the action of hydrogen bonds easily formed between silica structures of an auxiliary agent, the contact time of other components and the tea scale is prolonged, in addition, the silica structures have the action of a surfactant, the cleaning agent and the surfactant (sodium dodecyl benzene sulfonate or potassium dodecyl phosphate) can perform the permeation action on the tea scale in a synergistic manner, and the cleaning action of other components on the tea scale is improved; through the quaternary ammonium salt structure of the auxiliary agent, the auxiliary agent and the antioxidant cooperatively play a role in killing bacteria bred in tea dirt; when the tea set is made of metal, a layer of metal ions is easily formed on the surface of the tea set under the action of an oxidant and/or acid-base in the cleaning process, and the assistant is connected with the metal ions through a complexing action force so as to form a layer of film on the surface of the tea set and prevent the oxidant and/or acid-base from directly contacting with the metal, so that the damage of the substances to the metal is reduced, and the corrosion and damage of the cleaning agent to the tea set are finally reduced;

in conclusion, the cleaning agent provided by the invention has the advantages of low corrosivity, no injury to hands, strong cleaning capability and small damage to tea sets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Preparing an auxiliary agent:

a1, mixing 0.1mol of pentaerythritol, 0.45mol of chloroacetic acid and 60mL of toluene, adding 0.45g of toluenesulfonic acid, heating, refluxing, reacting for 12 hours, stopping the reaction, adding 20mL of toluene and 20mL of 0.1M NaOH solution, carrying out alkali washing, carrying out liquid separation, washing an oil phase with water to neutrality, carrying out liquid separation again, drying the solution with anhydrous magnesium sulfate, and carrying out reduced pressure distillation to obtain pentaerythritol chloroacetate;

a2, uniformly mixing 0.12mol of aminopropyltriethoxysilane with 20mL of anhydrous ethyl acetate, then adding 0.1mol of glycidyl trimethyl ammonium chloride, adjusting the pH value of the solution to 10.5 by using 0.1M of sodium hydroxide, controlling the reaction condition to be 48 ℃, stirring for reaction for 30min, stopping the reaction, adjusting the solution to be neutral by using hydrochloric acid, adding acetone for precipitation and separation, dissolving and washing the precipitated product by using ethanol, performing precipitation and separation by using acetone again, and performing vacuum drying to obtain quaternized siloxane;

a3, mixing 0.1mol of pentaerythritol chloroacetate, 0.5mol of quaternized siloxane and n-butanol, adding 0.55mol of potassium carbonate, heating and refluxing for 5 hours, stopping the reaction, cooling to room temperature, adding hydrochloric acid to adjust the pH value to 7, drying with anhydrous magnesium sulfate, performing rotary evaporation, performing vacuum drying, grinding, and sieving with a 60-mesh sieve to obtain the assistant.

Example 2

A1, mixing 0.1mol of pentaerythritol, 0.5mol of chloroacetic acid and 60mL of toluene, adding 0.51g of toluenesulfonic acid, heating, refluxing, reacting for 12 hours, stopping the reaction, adding 20mL of toluene and 20mL of 0.1M NaOH solution, carrying out alkali washing, carrying out liquid separation, washing an oil phase with water to neutrality, carrying out liquid separation again, drying the solution with anhydrous magnesium sulfate, and carrying out reduced pressure distillation to obtain pentaerythritol chloroacetate;

a2, uniformly mixing 0.13mol of aminopropyltriethoxysilane with 50mL of anhydrous ethyl acetate, then adding 0.1mol of glycidyl trimethyl ammonium chloride, adjusting the pH value of the solution to 10.5 by using 0.1M of sodium hydroxide, controlling the reaction condition to be 48 ℃, stirring for reacting for 80min, stopping the reaction, adjusting the solution to be neutral by using hydrochloric acid, adding acetone for precipitation and separation, dissolving and washing the precipitated product by using ethanol, performing precipitation and separation by using acetone again, and performing vacuum drying to obtain quaternized siloxane;

a3, mixing 0.1mol of pentaerythritol chloroacetate, 0.52mol of quaternized siloxane and n-butanol, adding 0.6mol of potassium carbonate, heating and refluxing for 5 hours, stopping the reaction, cooling to room temperature, adding hydrochloric acid to adjust the pH to 7, drying with anhydrous magnesium sulfate, performing rotary evaporation, performing vacuum drying, grinding, and sieving with a 100-mesh sieve to obtain the assistant.

Example 3

Preparing a tea dirt cleaning agent:

step one, raw material preparation: 20g of sodium tripolyphosphate, 10g of sodium bicarbonate, 7.5g of a chelating agent, 15g of metasilicic acid, 5.5g of sodium dodecyl benzene sulfonate, 8g of coated sodium percarbonate and 2.5g of the auxiliary agent prepared in example 1, wherein the chelating agent is EDTA;

step two, mixing: adding sodium tripolyphosphate, sodium bicarbonate, chelating agent, metasilicic acid, sodium dodecyl benzene sulfonate, coated sodium percarbonate and auxiliary agent into a mixer, starting the mixer, and mixing for 20min to obtain the tea dirt cleaning agent.

Example 4

Preparing a tea dirt cleaning agent:

step one, raw material preparation: 35g of sodium tripolyphosphate, 18g of sodium bicarbonate, 10g of chelating agent, 18g of metasilicic acid, 6g of potassium dodecyl phosphate, 10g of coated sodium percarbonate and 3g of the aid prepared in example 1, wherein the chelating agent is EDTA and the mass ratio of EDTA disodium salt is 1: 1 mixing to form;

step two, mixing: adding sodium tripolyphosphate, sodium bicarbonate, chelating agent, metasilicic acid, dodecyl phosphate potassium salt, coated sodium percarbonate and auxiliary agent into a mixer, starting the mixer, and mixing for 25min to obtain the tea dirt cleaning agent.

Example 5

Preparing a tea dirt cleaning agent:

step one, raw material preparation: 40g of sodium tripolyphosphate, 20g of sodium bicarbonate, 12.5g of chelating agent, 21g of metasilicic acid, 10.5g of sodium dodecyl benzene sulfonate, 12g of coated sodium percarbonate and 5.5g of the auxiliary agent prepared in example 1, wherein the chelating agent is EDTA, disodium EDTA and tetrasodium EDTA according to the mass ratio of 0.7: 1.2: 0.4 mixing;

step two, mixing: adding sodium tripolyphosphate, sodium bicarbonate, chelating agent, metasilicic acid, sodium dodecyl benzene sulfonate, coated sodium percarbonate and auxiliary agent into a mixer, starting the mixer, and mixing for 30min to obtain the tea dirt cleaning agent.

Comparative example 1

Preparing a tea dirt cleaning agent:

step one, raw material preparation: 20g of sodium tripolyphosphate, 10g of sodium bicarbonate, 7.5g of a chelating agent, 15g of metasilicic acid, 8g of coated sodium percarbonate and 2.5g of the auxiliary agent prepared in example 1, wherein the chelating agent is EDTA;

step two, mixing: adding chelating agent, metasilicic acid, coated sodium percarbonate and auxiliary agent into a mixer, starting the mixer, and mixing for 20min to obtain the tea dirt cleaning agent.

Comparative example 2:

preparing a tea dirt cleaning agent:

step one, raw material preparation: 35g of sodium tripolyphosphate, 18g of sodium bicarbonate, 10g of chelating agent, 18g of metasilicic acid, 6g of potassium dodecyl phosphate and 3g of the auxiliary agent prepared in example 1, wherein the chelating agent is EDTA and disodium EDTA salt in a mass ratio of 1: 1 mixing to form;

step two, mixing: adding sodium tripolyphosphate, sodium bicarbonate, chelating agent, metasilicic acid, dodecyl potassium phosphate and auxiliary agent into a mixer, starting the mixer, and mixing for 25min to obtain the tea scale cleaning agent.

Comparative example 3

Preparing a tea dirt cleaning agent:

step one, raw material preparation: 40g of sodium tripolyphosphate, 20g of sodium bicarbonate, 12.5g of chelating agent, 21g of metasilicic acid, 10.5g of sodium dodecyl benzene sulfonate and 12g of coated sodium percarbonate, wherein the chelating agent is EDTA, EDTA disodium salt and EDTA tetrasodium salt according to the mass ratio of 0.7: 1.2: 0.4 mixing;

step two, mixing: adding sodium tripolyphosphate, sodium bicarbonate, chelating agent, metasilicic acid, sodium dodecyl benzene sulfonate and coated sodium percarbonate into a mixer, starting the mixer, and mixing for 20-30min to obtain the tea dirt cleaning agent.

Example 6

In the cleaning experiment of the ceramic teacup, the glass teacup, the copper teacup and the iron teacup:

firstly, the tea dirt cleaning agent obtained in the examples 3-5 and the comparative examples 1-3 is dissolved in hot water with the temperature of 35 ℃ according to the weight ratio of 3% to be diluted into cleaning fluid. Then, the tea cups are placed in cleaning liquid to be soaked for a period of time, each tea cup is taken out every 5min, the cleaning cloth is used for wiping off tea dirt until the tea dirt is completely clear, the soaking time is recorded, 24 tea cups are prepared for each kind of tea cup, 96 tea cups are divided into 6 groups, each group comprises 16 tea cups (16 tea cups of 4 kinds, and tea cups of the same kind are 4), the thickness of the tea dirt on each tea cup is similar, the recording time is averaged, and the test result is shown in table 1;

secondly, the following experiments are applied to copper tea cups and iron tea cups (20 tea cups are prepared (40 tea cups in total) for each kind of tea cup, and the tea cups are divided into 5 groups, and each group comprises 4 tea cups): the tea stain cleaning agents obtained in examples 3 to 5 and comparative example 3 were dissolved in hot water at 35 ℃ in a weight ratio of 3% to dilute the cleaning solution, and a copper cup and an iron tea were immersed in the cleaning solution and the blank clear water for 2 days, respectively, and the corrosion of the cup surface was observed, and the test results are shown in table 2.

TABLE 1

Example 3

Example 4

Example 5

Comparative example 1

Comparative example 2

Comparative example 3

Soaking time

30min

30min

30min

45min

45min

55min

From the above data, it can be seen that the cleaning effects of the cleaning agents obtained in examples 3 to 5 are superior to those of the cleaning agents obtained in comparative examples 1 to 3.

TABLE 2

From the above data, it can be seen that the cleaning agents obtained in examples 3 to 5 have a protective effect on the metal tea set.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.