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What are the main uses of dodecyl guanidine hydrochloride?
Sodium dodecyl benzene sulfonate has a wide range of main uses. In the field of daily chemical industry, it is often a key component of detergents. Because of its excellent decontamination, emulsification and foaming properties, the cover can quickly detach oil from the surface of the object and dissolve into water, so it is indispensable for many household cleaners, such as washing powder and detergent.
Looking at the industrial field, it also plays an important role. In the textile industry, it can be used as a cleaning agent for fabrics to remove oil stains and impurities contaminated by the weaving and printing process of fabrics, making the fabrics as clean as ever without damaging their color and texture. In the paper industry, it can be used as a deinking agent to help the ink of waste paper to detach and realize the recycling of paper, which is of great significance for resource recycling.
Furthermore, in the petroleum industry, sodium dodecylbenzene sulfonate can be used as an oil displacement agent. In oil reservoirs, crude oil often adheres to the rock surface and is difficult to extract. This substance can reduce the tension of the oil-water interface, make crude oil easier to peel off from the rock surface, improve the recovery rate of crude oil, and contribute greatly to energy extraction.
In the agricultural field, it can be used as an adjuvant for pesticides. It can enhance the dispersion and wettability of pesticides, make pesticides more evenly cover the surface of crops, improve the efficacy of pesticides, and reduce the amount of pesticides, which not only reduces agricultural costs, but also reduces environmental pollution.
In summary, sodium dodecyl benzene sulfonate is widely used in various industries due to its unique properties, and has a profound impact on people's daily life and industrial production.
What are the chemical properties of dodecyl guanidine hydrochloride?
Sodium dodecyl benzene sulfonate is a common surfactant. It has many chemical properties and has the following ends.
First, it has good hydrophilicity and lipophilicity. Because of this molecular structure, one end is a long-chain alkyl group, which belongs to a lipophilic group and can be affinity with non-polar substances such as oils; the other end is a benzene sulfonate ion, which is hydrophilic and can interact with water. Such a unique structure makes sodium dodecyl benzene sulfonate at the oil-water interface reduce the surface tension and disperse oil droplets in water, which is the ability to emulsify.
Second, it has excellent decontamination performance. Because the lipophilic end can be adsorbed on the surface of the oil stain, and the hydrophilic end is connected to the water outward, by stirring and other external forces, the oil stain can be peeled off from the surface of the object and dispersed in the water, so as to achieve the effect of decontamination, often used in detergents.
Third, it can be ionized in aqueous solution. The benzenesulfonate ion is negatively charged, making it an anionic surfactant. In some systems, it can interact with positively charged ions or particles. This property is used in many industrial and daily chemical fields, such as in mineral flotation, it can be combined with positively charged mineral particles to help it separate.
Fourth, it has good chemical stability. Under normal conditions, it is not easily deteriorated by factors such as oxidation and hydrolysis. It can be stored for a long time and maintain its surface activity properties. It can be widely used in products in different environments.
Fifth, the foaming performance is also excellent. When agitated or gas is introduced, a stable foam can be formed, which is used in many cleaning and industrial processes, such as foam fire suppression, foam flotation, etc. However, too much foam can sometimes cause inconvenience and needs to be adjusted according to specific scenarios.
What is the production method of dodecyl guanidine hydrochloride?
The method of making dodecyl benzene sulfonic acid is a step-by-step process. The first thing to do is to prepare the right raw materials, and to use benzene. For alkenes, more dodecene is taken, and benzene also needs to be refined. Both are important in the process.
At the beginning, the reverse of alkylation is carried out. The benzene dodecene is placed in a reactor to catalyze it. Commonly used catalysts, such as fluoric acid and trichloride, can promote the combination of the two to form dodecyl benzene. This reaction needs to be controlled by the degree and force. Only when the degree is appropriate can the reaction be made, generally between ten and 100 degrees. The reaction force also needs to be reduced, and the reverse is obtained.
Alkylation, to obtain dodecyl benzene, then it may contain alcohol, so it needs to be reduced. The method of reduction, or to wash the oil, to remove its catalytic and side effects. Wash with water or liquid, and reverse the product for three times, so that the dodecyl benzene is reduced.
The reverse of sulfonation is carried out. The sulfonation of dodecyl benzene, sulfuric acid or sulfur trioxide meet. The method of sulfur trioxide sulfonation is efficient and less expensive, and is commonly used. Reverse, sulfur trioxide is combined with dodecyl benzene to produce dodecyl benzene sulfonic acid. This step also requires control parts, if the degree is high, or the degree of sulfonation; if the degree is low, the degree of sulfonation is low.
The sulfonation has been completed to obtain dodecyl benzene sulfonic acid, but it still needs to be neutralized. Add an oxidizing solution to make the sulfonic acid dissolve into the sulfonic acid. Neutralize, pay attention to the pH value, so that the appropriate temperature is high, generally close to neutral.
Neutralize the sulfonic acid, or there are no anti-reaction substances and oil, and then refine it. Or use the method of water, steaming, etc., in addition to its oil, to extract the dodecyl benzene sulfonic acid. To obtain the finished product, it can be applied to a wide range of fields, such as washing. The method of complete production, step by step carefully, can obtain high-quality dodecyl benzene sulfonic acid.
What is the market price of dodecyl guanidine hydrochloride?
In today's world, business conditions are unpredictable, and it is difficult to determine the price of sodium dodecylbenzene sulfonate in the market. The price of such things often changes for many reasons.
Watching the supply of raw materials, if the price of crude oil rises, or the manufacturing cost of sodium dodecylbenzene sulfonate increases sharply, the price will also be high. Cover crude oil as its important raw material, changes in the source, such as ripples scattered, have a deep impact.
And production regulations, if manufacturers expand production capacity, the market supply of this product exceeds demand, and the price may decline; on the contrary, if production capacity is limited and supply exceeds demand, the price will rise.
Furthermore, market demand is also key. When industries such as detergents are booming, the demand for sodium dodecylbenzene sulfonate is strong, and the price may be popular; if the industry is cold, the demand is sluggish, and the price is difficult to maintain.
Overall, the current market price of sodium dodecylbenzene sulfonate hovers between a few yuan and a few tens of yuan per kilogram. However, this is only an approximate number, and the actual price may vary depending on the quality, region, and season. When traders trade, they need to carefully observe the market situation and evaluate the situation in order to obtain a fair price and seek business profits.
What are the precautions for dodecyl guanidine hydrochloride during use?
Sodium dodecyl benzene sulfonate is a commonly used anionic surfactant. When using it, there are several ends that should be paid attention to.
First, it is related to safety. Although this agent is usually regarded as relatively safe, it should not be imported or entered into the eyes. If it accidentally touches the skin, it should be rinsed with a lot of water as soon as possible; if it enters the eyes, it should be rinsed immediately and treated by a doctor. If it is not handled properly, it may cause skin allergies, eye discomfort, etc.
Second, it talks about the dosage. Its decontamination and emulsification properties are quite good, but the more the better. Excessive use, or cause excessive foam, consume a lot of water and time during rinsing, and remain on clothing and utensils, or have potential harm to the human body and the environment. Therefore, the dosage should be precisely controlled according to the specific use and instructions.
Third, it is related to environmental impact. Although its biodegradability is acceptable, it may still have an impact on the water ecology when it is discharged in large quantities. When using it, consider environmental protection and minimize its impact on the environment.
Fourth, the importance of compatibility. When it is combined with some cationic surfactants or substances, it may cause precipitation, inactivation, etc., resulting in greatly reduced performance. Therefore, before use, it is advisable to be familiar with the characteristics of the compatible substances to avoid adverse reactions.
In short, the use of sodium dodecyl benzene sulfonate must be safe, dose-controlled, environmentally friendly, and compatible, so that it can make good use of its energy and avoid its potential harm.