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What are the common uses of 1,12-dodecanediol?
1% 2C12 -dodecyl diethanolamide, common uses are as follows:
In the field of daily chemical industry, it is often used as a thickener and foam stabilizer for various detergents such as shampoo, bath liquid, tableware detergent, hand sanitizer, etc. When making shampoo, it can make the shampoo have a suitable consistency, allowing users to pour and apply, and can stabilize the foam, making the foam rich and long-lasting, and enhancing the experience of the shampoo process.
In the textile printing and dyeing industry, it can act as a softener and antistatic agent for fabrics. After the fabric is treated with a solution containing this substance, it feels softer and smoother, and it is more comfortable to wear. At the same time, it can effectively reduce the generation of static electricity and avoid problems such as dust adsorption and entanglement of clothes.
In the field of metal processing, it is often used as an additive for metal cutting fluids and rust inhibitors. In the metal cutting process, it can reduce the friction between the tool and the workpiece, play a lubricating role, reduce tool wear, and improve processing accuracy; as an additive for rust inhibitors, it can form a protective film on the metal surface to prevent metal rust and corrosion.
In the leather processing industry, it can be used as a grease and softener for leather. After greasing, the lubricity between leather fibers is enhanced, and the leather is softer and fuller. At the same time, it can also improve the tensile strength and wear resistance of the leather, and prolong the service life of leather products.
In the paint and ink industry, 1% 2C12-dodecyl diethanolamide can be used as a dispersant. The pigment particles can be evenly dispersed in the paint or ink system, preventing pigment agglomeration and precipitation, ensuring the color uniformity and stability of the paint and ink, and improving the appearance quality and performance of the product.
What are the physical properties of 1,12-dodecanediol?
1% 2C12 -dodecaheptyl glycol, this material has unique properties. It is a colorless to light yellow liquid or white waxy solid, with low volatility and relatively stable at room temperature.
Looking at its color, it is colorless when pure, but it may be slightly yellowish due to impurities. When it is liquid, it is clear. When it is waxy solid, it has a uniform texture and a delicate touch. Smell it, the smell is weak and almost odorless. This property is quite advantageous in many application scenarios sensitive to odor.
When it comes to solubility, it can be soluble in organic solvents such as alcohols and ethers. Although its solubility in water is limited, it is not completely insoluble. This solubility gives it flexibility in the preparation of different systems. For example, in cosmetic formulations, it can be fused with a variety of oily and water-based ingredients to ensure product stability and uniformity.
Its melting point is moderate, mostly between 30 and 40 ° C. This melting point allows it to maintain a relatively stable form at room temperature, and it is easy to liquefy in case of mild heat, which is easy to process. The boiling point is high, usually above 280 ° C. The high boiling point means that its thermal stability is good, and it is not easy to evaporate and decompose in higher temperature environments. It is a major advantage in industrial production in high temperature processes or in product applications that require heat resistance.
In addition, 1% 2C12-dodecaheptyl glycol has certain moisturizing properties, which seems to capture water vapor molecules in the air and remain on the surface of the material, providing moisturizing feeling for the skin or other materials. And its chemical structure imparts a certain antibacterial ability, which can inhibit the growth of some bacteria and molds. In skin care products, coatings and other fields, it helps to prolong the shelf life of products and maintain stable quality.
What are the chemical properties of 1,12-dodecanediol?
1% 2C12-dodecyl diethanolamide, its chemical properties are as follows:
This substance is a light yellow to amber viscous liquid at room temperature, easily soluble in water, has good foaming, stable foaming, osmotic decontamination, hard water resistance and other functions. It has strong thickening properties. Adding an appropriate amount of 1% 2C12-dodecyl diethanolamide to the detergent can significantly improve the consistency of the detergent, making the product look and use experience better.
Its foam stabilization performance is outstanding, and it can effectively prolong the existence time of foam in various foam systems, such as in shower gel, shampoo and other products, which can make the foam rich and long-lasting, enhance the cleaning effect and use comfort.
This substance also has good decontamination ability, and has excellent emulsification and dispersion effects on grease, dirt, etc. It can penetrate deep into the surface of fabric fibers or objects to remove stubborn oil stains. It is commonly used in various detergent formulations.
1% 2C12-dodecyl diethanolamide has good chemical stability and can maintain relatively stable chemical structure and properties under general acid and alkali conditions. However, in extreme environments with strong acids or alkalis and high temperatures, reactions such as hydrolysis may occur, resulting in performance changes. It also has certain antistatic properties, which can reduce the accumulation of static electricity on the surface of objects. In the fields of textiles and papermaking, it helps to reduce problems caused by static electricity, such as fabric vacuuming and paper adhesion.
What are the production methods of 1,12-dodecanediol?
There are many methods for the preparation of 1% 2C12-dodecaheptyl glycol. The techniques vary, and each has its own advantages and disadvantages, which are related to the materials used, the process complexity, the cost and the yield.
First, it can start from natural oils. Take oils and fats, often vegetable oils are better, such as coconut oil, palm oil and the like. First hydrolyze the oils to obtain fatty acids and glycerol. Then the fatty acids are hydrogenated and reduced. After this step, the corresponding alcohol can be obtained. However, there are many steps in this way. When hydrolyzing, acid-base catalysts are required. Hydrogenation and reduction also require specific conditions and catalysts. The equipment requirements are higher and the cost is slightly higher.
Second, start with petrochemical raw materials. Choose suitable olefins, such as dodecaolefins. The alkene is reacted with carbon monoxide and hydrogen under the action of a catalyst. This is a hydroformylation reaction to obtain aldehyde. Then the aldehyde is reduced to obtain alcohol. The raw materials are easy to obtain and the process is relatively simple. However, the catalyst is very important. Its activity and selectivity affect the yield and product purity, and the petrochemical raw materials are affected by market fluctuations.
Third, microbial synthesis method. Find specific microorganisms, such as some yeasts and bacteria. After genetic engineering, it has the ability to synthesize 1,12-dodecaheptyl glycol. Cultivate microorganisms in a suitable medium, and under specific conditions, the microorganisms metabolize and produce this diol. This method is green and environmentally friendly, and the conditions are mild. However, the selection and transformation of strains are time-consuming and laborious, and the fermentation process is difficult to control, and the yield is not easy to improve.
In general, various production methods have their own advantages and disadvantages. The actual production needs to weigh the availability of raw materials, cost, environmental protection and product quality and many other factors to choose the most suitable method.
What are the precautions for using 1,12-dodecanediol?
For 1% 2C12-dodecyl diethanolamide, there are several things to pay attention to when using it.
First, this agent has certain irritating properties. Although it is a commonly used surfactant, if it touches the skin directly, it may cause discomfort, such as slight itching, redness and swelling. Therefore, when handling, it is advisable to wear protective gear, such as gloves, goggles, etc., to prevent it from contacting the skin and eyes. Once it is accidentally touched, rinse it with a lot of water as soon as possible, and seek medical treatment for severe cases.
Second, its solubility should also be paid attention to. The solubility of 1% 2C12-dodecyl diethanolamide in water may be affected by various factors such as temperature and water quality. At low temperatures, its solubility may be reduced, or the solution may be turbid and precipitated. Therefore, when using it, attention should be paid to temperature control, and soft water should be used to avoid affecting its solubility and performance.
In addition, its compatibility is also critical. When compatible with different surfactants and additives, there may be synergistic effects, or mutual antagonism, damaging their performance. If compatible with anionic surfactants, or increase their decontamination and foaming ability; then mixed with some cationic surfactants, it may cause precipitation and inactivation. It is necessary to test in detail before use to show the suitability of its compatibility.
In addition, its stability cannot be ignored. When left for a long time or exposed to light, heat, acid, alkali and other conditions, 1% 2C12-dodecyl diethanolamide may decompose or deteriorate, resulting in a decrease in performance. Therefore, it should be stored in a cool, dry, dark place, and used reasonably according to its shelf life.
In terms of the environment, although its biodegradability is relatively good, it is used in large quantities and disposed of improperly, which may still have a certain impact on the environment. Therefore, the waste liquid after use should be properly disposed of in accordance with relevant regulations to reduce the harm to the environment.