Multifunctional hydrocarbon detergent and production method thereof

文档序号:1841784 发布日期:2021-11-16 浏览:40次 中文

阅读说明:本技术 一种多功能碳氢洗净剂及其生产方法 (Multifunctional hydrocarbon detergent and production method thereof ) 是由 何国锐 于 2021-08-20 设计创作,主要内容包括:本发明公开的属于碳氢洗净剂技术领域,具体为一种多功能碳氢洗净剂及其生产方法,包括以下构成原料及重量配比(按重量份计):正十二烷:30-50份,十一烷基醇:30-50份,三氧化二碳:20-40份,脂肪醇聚氧乙烯醚硫酸钠:20-40份,磺酸:10-20份,氢氧化钠:10-20份,香精:5-10,乳化剂:5-10份,本发明有益效果是:碳氢洗净剂闪点较低,不易发生燃烧,溶解物质的能力较强,具有较强的抗污性能,分解度较低,不易在阳光和空气中自行分解,易保持,对皮肤损伤度极低,适用能力强,去油污和去油脂强度较高,能够轻松去除油污和油脂,且在使用时,会产生较多的泡沫,方便对物件进行清洗的效果。(The invention belongs to the technical field of hydrocarbon detergents, and particularly relates to a multifunctional hydrocarbon detergent and a production method thereof, wherein the multifunctional hydrocarbon detergent comprises the following raw materials in parts by weight: n-dodecane: 30-50 parts of undecyl alcohol: 30-50 parts of carbon sesquioxide: 20-40 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 20-40 parts of sulfonic acid: 10-20 parts of sodium hydroxide: 10-20 parts of essence: 5-10, emulsifier: 5-10 parts, the invention has the beneficial effects that: the hydrocarbon detergent has the advantages of low flash point, difficult combustion, strong capability of dissolving substances, strong anti-fouling performance, low decomposition degree, difficult self-decomposition in sunlight and air, easy maintenance, extremely low damage degree to skin, strong applicability, high oil stain and grease removal strength, capability of easily removing oil stains and grease, capability of generating more foams when in use and convenience in cleaning articles.)

1. The multifunctional hydrocarbon detergent is characterized by comprising the following raw materials in parts by weight:

n-dodecane: 30-50 parts of undecyl alcohol: 30-50 parts of carbon sesquioxide: 20-40 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 20-40 parts of sulfonic acid: 10-20 parts of sodium hydroxide: 10-20 parts of essence: 5-10, emulsifier: 5-10 parts of preservative: 2-5 parts of active solvent: 2-5 parts of a solubilizer: 2-5 parts of stabilizer: 2-5 parts.

2. The multifunctional hydrocarbon cleaner as claimed in claim 1, which comprises the following raw materials in parts by weight:

n-dodecane: 30 parts, undecyl alcohol: 30 parts, carbon sesquioxide: 20 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 20 parts, sulfonic acid: 10 parts, sodium hydroxide: 10 parts of essence: 5, emulsifying agent: 5 parts, preservative: 2 parts, active solvent: 2 parts, solubilizer: 2 parts, stabilizer: and 2 parts.

3. The multifunctional hydrocarbon cleaner as claimed in claim 1, which comprises the following raw materials in parts by weight:

n-dodecane: 35 parts, undecyl alcohol: 35 parts, carbon sesquioxide: 35 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 35 parts, sulfonic acid: 16 parts, sodium hydroxide: 16 parts of essence: 6, emulsifier: 6 parts, preservative: 3 parts, active solvent: 3 parts, solubilizer: 3 parts, stabilizer: and 3 parts.

4. The multifunctional hydrocarbon cleaner as claimed in claim 1, which comprises the following raw materials in parts by weight:

n-dodecane: 40 parts, undecyl alcohol: 40 parts, carbon sesquioxide: 40 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 40 parts, sulfonic acid: 18 parts, sodium hydroxide: 18 parts of essence: 8, emulsifier: 8 parts, preservative: 4 parts, active solvent: 4 parts, solubilizer: 4 parts, stabilizer: 4 parts.

5. The multifunctional hydrocarbon cleaner as claimed in claim 1, which comprises the following raw materials in parts by weight:

n-dodecane: 50 parts, undecyl alcohol: 50 parts, carbon sesquioxide: 50 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 50 parts, sulfonic acid: 20 parts, sodium hydroxide: 20 parts of essence: 10, emulsifier: 10 parts, preservative: 5 parts, active solvent: 5 parts, solubilizer: 5 parts, stabilizer: 5 parts of the raw materials.

6. The production method of the multifunctional hydrocarbon detergent is characterized by comprising the following steps: comprises the following production steps:

s1: purifying n-dodecane and undecyl alcohol by a solvent naphtha hydrogenation method;

s2: adding the purified solution into a reaction kettle, and heating;

s3: adding carbon sesquioxide, fatty alcohol-polyoxyethylene ether sodium sulfate and sulfonic acid into the heated solution, and stirring the solution;

s4: adding sodium hydroxide into the reaction kettle, stopping heating, and continuously stirring;

s5: heating the emulsifier into the reaction kettle, stirring and standing;

s6: after standing, removing the lower layer solution, and filtering the solution;

s7: putting the filtered solution into the reaction kettle again, and heating;

s8: when the mixture is heated to a certain temperature, adding the preservative, the active solvent, the solubilizer and the stabilizer, and continuously stirring;

s9: stopping heating the reaction kettle, adding essence, and continuously stirring until the reaction kettle is completely cooled;

s10: and finally, filtering the cooled solution to obtain the pure hydrocarbon detergent.

7. The method of claim 6, wherein the step of mixing the detergent with the hydrocarbon comprises: the S1 reduces the toxic content in n-dodecane and undecanol to below 0.05%.

8. The method of claim 6, wherein the step of mixing the detergent with the hydrocarbon comprises: the temperature in said S2 is heated to 60-75 ℃.

9. The method of claim 6, wherein the step of mixing the detergent with the hydrocarbon comprises: and the standing time in the S5 is 16-20 hours.

10. The method of claim 6, wherein the step of mixing the detergent with the hydrocarbon comprises: the temperature in the S8 is heated to 45-60 ℃.

Technical Field

The invention relates to the technical field of hydrocarbon detergents, in particular to a multifunctional hydrocarbon detergent and a production method thereof.

Background

The distillate solvent obtained by distilling crude oil is called petroleum, petroleum hydrocarbon, industrial gasoline, etc., and its definition is unknown so far, and hydrocarbon is a compound composed of only two elements as its name suggests, and lamp oil obtained by simply distilling crude oil has not been used as a cleaning agent because of its odor, ignition property and drying property.

The hydrocarbon cleaning agent has good environmental protection characteristic and cleaning capability, and gradually becomes one of important industrial cleaning agents.

The existing hydrocarbon cleaning agent is used for cleaning machinery, hardware and jewelry, but the grease of small components cannot be thoroughly cleaned when the small components are cleaned, and the existing hydrocarbon cleaning agent can damage the skin when in use and has unpleasant taste when in use, so that the invention of the multifunctional hydrocarbon cleaning agent and the production method thereof is necessary.

Disclosure of Invention

Therefore, the invention provides an environment-friendly solid tire, which is characterized in that n-dodecane and undecyl alcohol are used as raw materials, and then carbon sesquioxide, fatty alcohol-polyoxyethylene ether sodium sulfate, sulfonic acid and sodium hydroxide are combined to increase the cleaning capability, the unpleasant smell of the solution is changed by adding essence, and the solution performance is increased by adding a preservative, an active solvent, a solubilizer and a stabilizer, so that the existing defects are overcome.

In order to achieve the above purpose, the invention provides the following technical scheme: a multifunctional hydrocarbon cleaning agent comprises the following raw materials in parts by weight:

n-dodecane: 30-50 parts of undecyl alcohol: 30-50 parts of carbon sesquioxide: 20-40 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 20-40 parts of sulfonic acid: 10-20 parts of sodium hydroxide: 10-20 parts of essence: 5-10, emulsifier: 5-10 parts of preservative: 2-5 parts of active solvent: 2-5 parts of a solubilizer: 2-5 parts of stabilizer: 2-5 parts.

Preferably, the composition comprises the following raw materials in parts by weight:

n-dodecane: 30 parts, undecyl alcohol: 30 parts, carbon sesquioxide: 20 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 20 parts, sulfonic acid: 10 parts, sodium hydroxide: 10 parts of essence: 5, emulsifying agent: 5 parts, preservative: 2 parts, active solvent: 2 parts, solubilizer: 2 parts, stabilizer: and 2 parts.

Preferably, the composition comprises the following raw materials in parts by weight:

n-dodecane: 35 parts, undecyl alcohol: 35 parts, carbon sesquioxide: 35 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 35 parts, sulfonic acid: 16 parts, sodium hydroxide: 16 parts of essence: 6, emulsifier: 6 parts, preservative: 3 parts, active solvent: 3 parts, solubilizer: 3 parts, stabilizer: and 3 parts.

Preferably, the composition comprises the following raw materials in parts by weight:

n-dodecane: 40 parts, undecyl alcohol: 40 parts, carbon sesquioxide: 40 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 40 parts, sulfonic acid: 18 parts, sodium hydroxide: 18 parts of essence: 8, emulsifier: 8 parts, preservative: 4 parts, active solvent: 4 parts, solubilizer: 4 parts, stabilizer: 4 parts.

Preferably, the composition comprises the following raw materials in parts by weight:

n-dodecane: 50 parts, undecyl alcohol: 50 parts, carbon sesquioxide: 50 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 50 parts, sulfonic acid: 20 parts, sodium hydroxide: 20 parts of essence: 10, emulsifier: 10 parts, preservative: 5 parts, active solvent: 5 parts, solubilizer: 5 parts, stabilizer: 5 parts of the raw materials.

The production method of the multifunctional hydrocarbon detergent comprises the following production steps:

s1: purifying n-dodecane and undecyl alcohol by a solvent naphtha hydrogenation method;

s2: adding the purified solution into a reaction kettle, and heating;

s3: adding carbon sesquioxide, fatty alcohol-polyoxyethylene ether sodium sulfate and sulfonic acid into the heated solution, and stirring the solution;

s4: adding sodium hydroxide into the reaction kettle, stopping heating, and continuously stirring;

s5: heating the emulsifier into the reaction kettle, stirring and standing;

s6: after standing, removing the lower layer solution, and filtering the solution;

s7: putting the filtered solution into the reaction kettle again, and heating;

s8: when the mixture is heated to a certain temperature, adding the preservative, the active solvent, the solubilizer and the stabilizer, and continuously stirring;

s9: stopping heating the reaction kettle, adding essence, and continuously stirring until the reaction kettle is completely cooled;

s10: and finally, filtering the cooled solution to obtain the pure hydrocarbon detergent.

Preferably, the toxic content in the n-dodecane and the undecyl alcohol in the S1 is reduced to be below 0.05%.

Preferably, the heating temperature in the S2 is 60-75 ℃.

Preferably, the standing time in the S5 is 16-20 hours.

Preferably, the heating temperature in the S8 is 45-50 ℃.

The invention has the beneficial effects that:

the prepared hydrocarbon cleaning agent has better performances on flash point, KB value, surface tension, decomposition degree, skin damage degree, degreasing and grease removing strength and use form, has lower flash point, is not easy to burn, has stronger capability of dissolving substances, has stronger stain resistance, lower decomposition degree, is not easy to be automatically decomposed in sunlight and air, is easy to maintain, has extremely low skin damage degree, strong applicability and higher degreasing and grease removing strength, can easily remove oil stain and grease, can generate more foams when being used, and is convenient for cleaning objects.

Detailed Description

The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.

Example 1:

the invention provides a multifunctional hydrocarbon detergent and a production method thereof, wherein the multifunctional hydrocarbon detergent comprises the following raw materials in parts by weight:

n-dodecane: 30 parts, undecyl alcohol: 30 parts, carbon sesquioxide: 20 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 20 parts, sulfonic acid: 10 parts, sodium hydroxide: 10 parts of essence: 5, emulsifying agent: 5 parts, preservative: 2 parts, active solvent: 2 parts, solubilizer: 2 parts, stabilizer: 2 parts of (1);

further, the method comprises the following production steps:

s1: purifying n-dodecane and undecyl alcohol by a solvent naphtha hydrogenation method;

wherein the purification reduces the toxic content in n-dodecane and undecanol to below 0.05%;

the n-dodecane and the undecyl alcohol can be used for cleaning oil stains, are high in boiling point, are not easy to burn and evaporate, and can be stored for a long time;

s2: adding the purified solution into a reaction kettle, and heating;

wherein the heating temperature is 60 ℃;

s3: adding carbon sesquioxide, fatty alcohol-polyoxyethylene ether sodium sulfate and sulfonic acid into the heated solution, and stirring the solution;

wherein the carbon trioxide is an antagonist of mineral element absorption and utilization, and can be used for cleaning, and reducing damage after heating and mixing;

the sodium fatty alcohol polyoxyethylene ether sulfate has excellent decontamination, emulsification and foaming performances and hard water resistance, and the mild washing property does not damage the skin;

wherein, the sulfonic acid is a detergent capable of resisting hard water and can be used for cleaning oil stains;

s4: adding sodium hydroxide into the reaction kettle, stopping heating, and continuously stirring;

wherein, the sodium hydroxide is used as an acid neutralizer for neutralizing the mixed solution, can be used as a saponifier and has strong cleaning performance on grease and oil stains;

s5: heating the emulsifier into the reaction kettle, stirring and standing;

wherein the standing time is 16 hours;

wherein, the emulsifier is a substance which can make the mixed solution of two or more immiscible components form stable emulsion, and is used for neutralizing the mixed solution and mixing the prepared solutions uniformly;

s6: after standing, removing the lower layer solution, and filtering the solution;

s7: putting the filtered solution into the reaction kettle again, and heating;

s8: when the temperature is heated to 45 ℃, adding the preservative, the active solvent, the solubilizer and the stabilizer, and continuously stirring;

wherein the preservative is used for preventing the mixed solution from deteriorating, and the active solvent, solubilizer and stabilizer are used for enhancing the activity of the solution, solubilizing the surface activity, reducing the surface tension, preventing the effects of light, thermal decomposition or oxidative decomposition, etc.;

s9: stopping heating the reaction kettle, adding essence, and continuously stirring until the reaction kettle is completely cooled;

wherein the essence can change the smell of the solution;

s10: and finally, filtering the cooled solution to obtain the pure hydrocarbon detergent.

Example 2:

the invention provides a multifunctional hydrocarbon detergent and a production method thereof, wherein the multifunctional hydrocarbon detergent comprises the following raw materials in parts by weight:

n-dodecane: 35 parts, undecyl alcohol: 35 parts, carbon sesquioxide: 35 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 35 parts, sulfonic acid: 16 parts, sodium hydroxide: 16 parts of essence: 6, emulsifier: 6 parts, preservative: 3 parts, active solvent: 3 parts, solubilizer: 3 parts, stabilizer: 3 parts of a mixture;

further, the method comprises the following production steps:

s1: purifying n-dodecane and undecyl alcohol by a solvent naphtha hydrogenation method;

wherein the purification reduces the toxic content in n-dodecane and undecanol to below 0.05%;

the n-dodecane and the undecyl alcohol can be used for cleaning oil stains, are high in boiling point, are not easy to burn and evaporate, and can be stored for a long time;

s2: adding the purified solution into a reaction kettle, and heating;

wherein the heating temperature is 65 ℃;

s3: adding carbon sesquioxide, fatty alcohol-polyoxyethylene ether sodium sulfate and sulfonic acid into the heated solution, and stirring the solution;

wherein the carbon trioxide is an antagonist of mineral element absorption and utilization, and can be used for cleaning, and reducing damage after heating and mixing;

the sodium fatty alcohol polyoxyethylene ether sulfate has excellent decontamination, emulsification and foaming performances and hard water resistance, and the mild washing property does not damage the skin;

wherein, the sulfonic acid is a detergent capable of resisting hard water and can be used for cleaning oil stains;

s4: adding sodium hydroxide into the reaction kettle, stopping heating, and continuously stirring;

wherein, the sodium hydroxide is used as an acid neutralizer for neutralizing the mixed solution, can be used as a saponifier and has strong cleaning performance on grease and oil stains;

s5: heating the emulsifier into the reaction kettle, stirring and standing;

wherein the standing time is 17 hours;

wherein, the emulsifier is a substance which can make the mixed solution of two or more immiscible components form stable emulsion, and is used for neutralizing the mixed solution and mixing the prepared solutions uniformly;

s6: after standing, removing the lower layer solution, and filtering the solution;

s7: putting the filtered solution into the reaction kettle again, and heating;

s8: when the temperature is heated to 50 ℃, adding the preservative, the active solvent, the solubilizer and the stabilizer, and continuously stirring;

wherein the preservative is used for preventing the mixed solution from deteriorating, and the active solvent, solubilizer and stabilizer are used for enhancing the activity of the solution, solubilizing the surface activity, reducing the surface tension, preventing the effects of light, thermal decomposition or oxidative decomposition, etc.;

s9: stopping heating the reaction kettle, adding essence, and continuously stirring until the reaction kettle is completely cooled;

wherein the essence can change the smell of the solution;

s10: and finally, filtering the cooled solution to obtain the pure hydrocarbon detergent.

Example 3:

the invention provides a multifunctional hydrocarbon detergent and a production method thereof, wherein the multifunctional hydrocarbon detergent comprises the following raw materials in parts by weight:

n-dodecane: 40 parts, undecyl alcohol: 40 parts, carbon sesquioxide: 40 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 40 parts, sulfonic acid: 18 parts, sodium hydroxide: 18 parts of essence: 8, emulsifier: 8 parts, preservative: 4 parts, active solvent: 4 parts, solubilizer: 4 parts, stabilizer: 4 parts of a mixture;

further, the method comprises the following production steps:

s1: purifying n-dodecane and undecyl alcohol by a solvent naphtha hydrogenation method;

wherein the purification reduces the toxic content in n-dodecane and undecanol to below 0.05%;

the n-dodecane and the undecyl alcohol can be used for cleaning oil stains, are high in boiling point, are not easy to burn and evaporate, and can be stored for a long time;

s2: adding the purified solution into a reaction kettle, and heating;

wherein the heating temperature is up to 70 ℃;

s3: adding carbon sesquioxide, fatty alcohol-polyoxyethylene ether sodium sulfate and sulfonic acid into the heated solution, and stirring the solution;

wherein the carbon trioxide is an antagonist of mineral element absorption and utilization, and can be used for cleaning, and reducing damage after heating and mixing;

the sodium fatty alcohol polyoxyethylene ether sulfate has excellent decontamination, emulsification and foaming performances and hard water resistance, and the mild washing property does not damage the skin;

wherein, the sulfonic acid is a detergent capable of resisting hard water and can be used for cleaning oil stains;

s4: adding sodium hydroxide into the reaction kettle, stopping heating, and continuously stirring;

wherein, the sodium hydroxide is used as an acid neutralizer for neutralizing the mixed solution, can be used as a saponifier and has strong cleaning performance on grease and oil stains;

s5: heating the emulsifier into the reaction kettle, stirring and standing;

wherein the standing time is 18 hours;

wherein, the emulsifier is a substance which can make the mixed solution of two or more immiscible components form stable emulsion, and is used for neutralizing the mixed solution and mixing the prepared solutions uniformly;

s6: after standing, removing the lower layer solution, and filtering the solution;

s7: putting the filtered solution into the reaction kettle again, and heating;

s8: when the temperature is heated to 50 ℃, adding the preservative, the active solvent, the solubilizer and the stabilizer, and continuously stirring;

wherein the preservative is used for preventing the mixed solution from deteriorating, and the active solvent, solubilizer and stabilizer are used for enhancing the activity of the solution, solubilizing the surface activity, reducing the surface tension, preventing the effects of light, thermal decomposition or oxidative decomposition, etc.;

s9: stopping heating the reaction kettle, adding essence, and continuously stirring until the reaction kettle is completely cooled;

wherein the essence can change the smell of the solution;

s10: and finally, filtering the cooled solution to obtain the pure hydrocarbon detergent.

Example 4:

the invention provides a multifunctional hydrocarbon detergent and a production method thereof, wherein the multifunctional hydrocarbon detergent comprises the following raw materials in parts by weight:

n-dodecane: 50 parts, undecyl alcohol: 50 parts, carbon sesquioxide: 50 parts of fatty alcohol-polyoxyethylene ether sodium sulfate: 50 parts, sulfonic acid: 20 parts, sodium hydroxide: 20 parts of essence: 10, emulsifier: 10 parts, preservative: 5 parts, active solvent: 5 parts, solubilizer: 5 parts, stabilizer: 5 parts of a mixture;

further, the method comprises the following production steps:

s1: purifying n-dodecane and undecyl alcohol by a solvent naphtha hydrogenation method;

wherein the purification reduces the toxic content in n-dodecane and undecanol to below 0.05%;

the n-dodecane and the undecyl alcohol can be used for cleaning oil stains, are high in boiling point, are not easy to burn and evaporate, and can be stored for a long time;

s2: adding the purified solution into a reaction kettle, and heating;

wherein the heating temperature is up to 75 ℃;

s3: adding carbon sesquioxide, fatty alcohol-polyoxyethylene ether sodium sulfate and sulfonic acid into the heated solution, and stirring the solution;

wherein the carbon trioxide is an antagonist of mineral element absorption and utilization, and can be used for cleaning, and reducing damage after heating and mixing;

the sodium fatty alcohol polyoxyethylene ether sulfate has excellent decontamination, emulsification and foaming performances and hard water resistance, and the mild washing property does not damage the skin;

wherein, the sulfonic acid is a detergent capable of resisting hard water and can be used for cleaning oil stains;

s4: adding sodium hydroxide into the reaction kettle, stopping heating, and continuously stirring;

wherein, the sodium hydroxide is used as an acid neutralizer for neutralizing the mixed solution, can be used as a saponifier and has strong cleaning performance on grease and oil stains;

s5: heating the emulsifier into the reaction kettle, stirring and standing;

wherein the standing time is 20 hours;

wherein, the emulsifier is a substance which can make the mixed solution of two or more immiscible components form stable emulsion, and is used for neutralizing the mixed solution and mixing the prepared solutions uniformly;

s6: after standing, removing the lower layer solution, and filtering the solution;

s7: putting the filtered solution into the reaction kettle again, and heating;

s8: when the temperature is heated to 60 ℃, adding the preservative, the active solvent, the solubilizer and the stabilizer, and continuously stirring;

wherein the preservative is used for preventing the mixed solution from deteriorating, and the active solvent, solubilizer and stabilizer are used for enhancing the activity of the solution, solubilizing the surface activity, reducing the surface tension, preventing the effects of light, thermal decomposition or oxidative decomposition, etc.;

s9: stopping heating the reaction kettle, adding essence, and continuously stirring until the reaction kettle is completely cooled;

wherein the essence can change the smell of the solution;

s10: and finally, filtering the cooled solution to obtain the pure hydrocarbon detergent.

An experiment was conducted on a multifunctional hydrocarbon cleaner prepared in examples 1-4 above to obtain the following data:

as can be seen from the above table, the hydrocarbon detergent prepared in example 3 has better performance in flash point, KB value, surface tension, decomposition degree, damage degree to skin, degreasing strength and grease removal strength, and usage form, so that the hydrocarbon detergent has a lower flash point, is not easy to burn, has stronger capability of dissolving substances, has stronger anti-fouling performance, has lower decomposition degree, is not easy to be automatically decomposed in sunlight and air, is easy to maintain, has extremely low damage degree to skin, has strong applicability, has higher degreasing strength and grease removal strength, can easily remove oil and grease, can generate more foams when in use, and is convenient for cleaning objects.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

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