Vinylidene Difluoride
Fluoride

Vinylidene Difluoride

Duxiu Chemical

Specifications

HS Code

293075

Chemical Formula C2H2F2
Molecular Weight 64.03 g/mol
Appearance Colorless gas
Boiling Point -84 °C
Melting Point -144 °C
Density 0.617 g/cm³ (gas, at 25 °C and 1 atm)
Solubility Insoluble in water, soluble in organic solvents like ethanol, ether
Flammability Flammable
Polymerization Ability Can polymerize to form polyvinylidene fluoride (PVDF)
Vapor Pressure High vapor pressure at room temperature
Odor Weakly sweet odor
Packing & Storage
Packing Vinylidene Difluoride packaged in 25 - kg bags for easy handling and storage.
Storage Vinylidene difluoride should be stored in a cool, well - ventilated area away from heat, sparks, and open flames. Keep it in tightly closed containers to prevent vapor release. Store separately from oxidizing agents and incompatible substances. Avoid exposure to sunlight. Adhere to local safety regulations to ensure proper storage and prevent potential hazards.
Shipping Vinylidene difluoride is shipped in specialized containers designed to withstand its properties. Careful handling is crucial due to its reactivity. Shipments follow strict regulations to ensure safety during transit.
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Vinylidene Difluoride
General Information
Historical Development
The industry of chemical industry is changing with each passing day. There is a thing called Vinylidene Difluoride, and there is a reason for its prosperity. At the beginning, everyone did not know its nature, but after the study of various sages, it gradually became clear about its quality.
At the beginning, the road of exploration was full of thorns. If you want to analyze its nature, there is no good way. However, the craftsmen were reluctant to give up, tried again and again, and finally got the recipe for making this thing. At the beginning of the system, the quantity was small and the quality was not refined, but it was also the beginning.
After that, the years passed, and the craftsmen kept on improving their techniques and optimizing the process. The quality and quantity of this thing gradually increased. Since its inception, it has emerged in various fields and has become more and more widely used. From the initial ignorance and temptation to the wide application today, its development process is actually the cohesion of the sages, and it is also a chapter in the history of chemical industry.
Product Overview
Vinyl difluoride is a unique chemical substance. Its properties are unique, and special polymers can be obtained by polymerization. This polymer has excellent chemical resistance, weather resistance, and excellent electrical properties.
In the industrial field, products made of vinyl difluoride are widely used. For example, in high-end coatings, it can increase the durability and corrosion resistance of the coating, so that the object can be eroded over time without damage. In electronic devices, because of its excellent electrical properties, it can help improve the performance and stability of the equipment.
In addition, the materials made of it have also made a name for themselves in the aerospace field, helping aircraft withstand harsh environments and ensuring flight safety. Overall, vinyl difluoride, with its unique properties, plays a key role in various industries and has a promising future. It is a material that cannot be ignored in chemical research and industrial applications.
Physical & Chemical Properties
Vinylidene Difluoride is a unique chemical material. Its physical and chemical properties are unique and important for various studies.
Looking at its physical properties, under normal conditions, it has good thermal stability, can withstand higher temperatures without easy deformation, its melting point is suitable, and it is convenient for specific process applications. And its texture is tough, its mechanical properties are outstanding, and it is not easy to break.
In terms of its chemical properties, it has strong chemical stability, can resist the erosion of many chemical reagents, and is not easy to participate in chemical reactions. This characteristic makes it widely used in chemical industry, material manufacturing and other fields. Due to its excellent physical and chemical properties, Vinylidene Difluoride products can exhibit good performance in various complex environments, making them an indispensable ingredient in the field of materials research.
Technical Specifications & Labeling
There are Vinylidene Difluoride products today, and its technical specifications and identification (product parameters) are crucial. The preparation of this substance requires rigorous methods. First take all kinds of raw materials and reconcile them according to precise proportions. When reacting, the temperature and pressure control must be accurate. If there is a slight difference, the quality cannot be guaranteed.
Its logo also needs to be clear. On the packaging, the product parameters, such as purity geometry and properties, must be clearly understood by the user before it can be used properly. Technical regulations and labels complement each other. By following these two, high-quality Vinylidene Difluoride products can be obtained to meet the needs of all parties.
Preparation Method
Vinylidene Difluoride is the first raw material. Take fluorine-containing ore and refine it to obtain pure fluoride. This is the foundation.
Its production process is based on the polymerization method. In a special reactor, temperature control and pressure are used, and a catalyst is introduced to polymerize fluoride molecules with each other. The reaction steps need to be careful. At the beginning, the temperature is slowly raised. When the reaction starts, the rate is stabilized and controlled, and the product is not pure due to excessive excitation.
Activation mechanism is also critical. Choose the appropriate activator to promote molecular activity and make the reaction efficient. The amount of activator is precisely prepared, and the product structure is different in many cases, and the reaction is slow in few cases. In this way, after many adaptations, high-quality Vinylidene Difluoride products can be obtained to meet the needs of all parties.
Chemical Reactions & Modifications
The chemical industry is changing with each passing day, and the properties of materials are related to public use. Today there are products of Vinylidene Difluoride, and their chemical adaptation and modification are quite critical.
Vinylidene Difluoride, when polymerizing, its chemical reaction conditions affect the characteristics of the product. Changes in temperature, pressure, or catalysis all lead to differences in the length and density of the chain. If the temperature is high, the chain is short, and the polymerization speed is also increased; if the pressure is large, it will be dense and the quality will be tougher.
As for modification, add additives and heterogeneous substances to correct its properties. Adding plasticizers, the flexibility will increase; mixing reinforced materials, the strength will increase. This is all the way to optimization, so that the product can be applied more widely in various fields, for work and for use, all of which are improved, benefiting the country and the people, and being the wonder of chemical industry.
Synonyms & Product Names
Vinylidene Difluoride is also a chemical product. Its name is the same, or vinylidene difluoride. This product is used in the field of engineering, making high-quality materials, and has more power.
The products sold in the market are also important. Such as polyvinylidene difluoride (PVDF), which is based on the polymerization of Vinylidene Difluoride. This polymer has many properties, good chemical resistance, good mechanical properties, and good performance. Therefore, it is used in materials, film materials, etc.
There are related derivatives, all of which are based on Vinylidene Difluoride. The same product name is determined in the world, and those who study it and workers use it follow this label to clarify its products and make good use of it.
Safety & Operational Standards
Specifications for the safety and operation of vinylidene difluoride products
Vinylidene difluoride (Vinylidene Difluoride) is an important raw material for the chemical industry. Its product safety and operation specifications are related to the smooth production and the well-being of personnel.
#1. Storage rules
Vinylidene difluoride products should be stored in a cool and ventilated warehouse. Keep away from fire and heat sources, and the warehouse temperature should not exceed 30 ° C. It should be stored separately from oxidants, acids, and edible chemicals, and should not be mixed. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials. In this way, it can ensure the safety of storage and avoid the risk of fire and explosion.
#Second, the standard of operation
When operating, it is necessary to strictly close the seal to provide sufficient local exhaust and comprehensive ventilation. Operators must undergo professional training and strictly follow the operating procedures. It is recommended that operators wear anti-static work clothes, chemical safety protective glasses, and self-priming filter gas masks (half masks). Keep away from fires and heat sources, and smoking is strictly prohibited in the workplace. Use explosion-proof ventilation systems and equipment. Prevent gas leakage into the air in the workplace. Avoid contact with oxidants and acids. During the transmission process, cylinders and containers must be grounded and overlaid to prevent static electricity from being generated. Light handling and light handling to prevent damage to cylinders and accessories.
#3. Emergency measures
If a leak occurs, quickly evacuate the personnel in the leaking contaminated area to the upwind, isolate, and strictly restrict access. Cut off the fire source. Emergency personnel wear self-contained positive pressure breathing apparatus and anti-static work clothes. Cut off the leakage source as much as possible. Reasonable ventilation to accelerate diffusion. Spray-like water dilution and dissolution. Build a dike or dig a pit to contain a large amount of wastewater. If possible, send the leaked air to an open area with an exhaust fan or install an appropriate nozzle to burn it off. Proper treatment of air-leaking containers, repair and inspection before use.
In short, the safety and operation specifications of vinylidene fluoride products need to be kept in mind by practitioners and implemented in order to ensure the safety of chemical production.
Application Area
Vinylidene Difluoride, its use is quite wide. In the field of engineering and technology, it is often the basis of material making. The material made of this material has excellent weather resistance, can withstand wind, rain and frost, and is vulnerable to exposure for a long time. Therefore, it is often applied to the exterior of the building, which can be the covering material of the wall, which can increase its beauty and protect its body.
It is also very useful in the industry of electricity. Because of its good insulation, it can keep the current stable and cannot cause leakage. It is commonly used in the protective layer of the cable, so that the transmission of electricity is safe.
Furthermore, it also has strengths in the manufacture of medical equipment. Its quality is pure and stable, and it is easy to respond to the medicine or the liquid of the body. It can be used as a part of the medical device to help heal diseases and ensure the safety of patients. From this point of view, Vinylidene Difluoride has shown its ability in the field of various uses, and it has great merit.
Research & Development
Taste the world's chemical products, changing with each passing day, among which the products made by Vinylidene Difluoride have also attracted much attention. We have been researching for years, looking at its characteristics, tough and corrosion-resistant, and can be used in various fields.
At the beginning, the research of this product encountered many difficulties, but we have not given up. After years of research, we have improved the production method, so that its quality has increased day by day. Now its application is becoming more and more widespread, and it has implications in the genus of electronics and machinery.
We hope that it can make even greater progress in the future, expand its application, and help the rise of science and technology. May future scholars follow our ambition and make this chemical product add luster to the well-being of the world.
Toxicity Research
A taste of the chemical industry is relevant to the people's livelihood. Nowadays, there are products of Vinylidene Difluoride, and the study of its toxicity is really a priority.
This substance is becoming more and more widely used in various industrial uses, but its potential toxicity cannot be ignored. When it was first involved in this substance, its properties were unknown, and everyone was happy with its convenience and practicality. However, after a long time of use, occasional discomfort appeared in the contact.
Then we gathered all the best people to study its toxicity. Take a white rat as a test, put it in an environment containing this substance, and observe its physiological changes over time. See the white rat's hair is sparse, the movement is slow, and the organs are also abnormal. Therefore, Vinylidene Difluoride products may be toxic, and the harm to the human body should not be underestimated. When carefully observing its use, study its methods to avoid harm, so as to ensure the well-being of everyone, do not allow poisons to invade the body and damage life.
Future Prospects
Today, there is something called Vinylidene Difluoride. Its quality is unique, and it is promising in various fields.
Looking at the future, it may emerge in the field of materials. Because of its good performance, it can make tough and durable materials, and it can be used in construction and transportation industries. In the field of electronics, there is also potential. It can help electronic devices with better performance, making them durable and efficient.
Furthermore, in the road of environmental protection, there may be progress. Its material may reduce pollution and benefit the ecological balance. Although the road ahead is long, Vinylidene Difluoride's products can be expected to create extraordinary achievements, be used by the world, and promote the progress of the world in the future.
Frequently Asked Questions
What are the main application fields of Vinylidene Difluoride
Vinylidene difluoride (Vinylidene Difluoride), also known as vinylidene fluoride, is widely used and has important applications in many fields.
In the field of polymer materials, this is the key monomer for the preparation of polyvinylidene fluoride (PVDF). PVDF has excellent performance, good chemical stability, weather resistance, corrosion resistance and mechanical properties. In chemical equipment, it is often used as a corrosion-resistant coating to protect equipment from chemical attack and prolong its service life. In the construction field, PVDF coatings are used for building exterior wall materials to make buildings look long-lasting and bright, and resist natural factors such as wind and rain and ultraviolet rays.
In the field of electrical and electronics, PVDF is widely used in the manufacture of wire and cable insulation layers due to its low dielectric constant, low dielectric loss and good insulation performance, which can ensure stable current transmission and protection from external electromagnetic interference. At the same time, in the manufacture of capacitors, it is also an indispensable material, which can improve the performance and stability of capacitors.
Furthermore, in the field of new energy, especially in lithium-ion batteries, PVDF, as a binder, can closely connect the electrode active material with the current collector, ensuring the stability of the electrode structure during the charging and discharging process of the battery, which is of great significance for improving the performance and cycle life of the battery.
In addition, in the medical field, PVDF has good biocompatibility and can be used to manufacture some medical device components, such as medical catheters, which are less irritating to human tissue and have high safety. In the field of coatings, coatings made from vinylidene fluoride have excellent wear resistance and chemical resistance, and are widely used in aerospace, automotive and other industries that require strict coating performance.
What are the Physical Properties of Vinylidene Difluoride
Vinylidene difluoride (vinylidene difluoride), its physical properties are unique, and it can be described in detail.
Vinylidene difluoride is a colorless gas at room temperature and pressure, with a faint ether aroma. Its boiling point is quite low, about -84 ° C, which makes it very easy to vaporize in general environments. The melting point is -144 ° C, indicating that it is a solid state at low temperatures.
The density of this substance is heavier than that of air, about 1.38g/L. Under standard conditions, its density in the gaseous state is greater than that of common air components. Vinylidene fluoride is slightly soluble in water, but it can be miscible with most organic solvents, such as alcohols and ethers. This solubility characteristic is due to the interaction between its molecular structure and the molecules of organic solvents.
Furthermore, vinylidene fluoride has certain flammability, and can cause combustion and explosion in case of open flame and high heat energy. When mixed with air, it can form an explosive mixture, and the explosion limit range is 2.6% - 15.3% (volume fraction). Therefore, fire and explosion protection are extremely critical during storage and use.
And because its molecule contains fluorine atoms, vinylidene fluoride has good chemical stability and thermal stability. It has resistance to many chemical reagents, and can maintain physical and chemical stability over a wide temperature range. It has important uses in industrial production and special material preparation.
Is Vinylidene Difluoride Chemically Stable?
Vinylidene difluoride (Vinylidene Difluoride), its chemical properties are very stable. This substance is also a fluorine-containing alkenyl compound. Due to its special molecular structure, it shows significant chemical stability.
Looking at its molecules, carbon-carbon double bonds coexist with fluorine atoms. Fluorine atoms are extremely electronegative, and when connected to carbon atoms, they form strong polar covalent bonds. This bond has very high energy, and a lot of energy is required to break it. Therefore, under common chemical reaction conditions, the bond is not easy to be broken, thus giving vinyl difluoride considerable stability.
Furthermore, although the carbon-carbon double bond has a certain reactivity, due to the existence of fluorine atoms, the electron cloud around the double bond changes. The electron-absorbing effect of fluorine atoms decreases the density of the double-bond electron cloud, and the sensitivity to nucleophilic or electrophilic attacks from foreign reagents is also reduced. Therefore, when common nucleophilic or electrophilic reagents react with it, the difficulty increases, further demonstrating its chemical stability.
Under extreme conditions such as high temperature, strong acid-base or strong oxidant, the stability of vinyl difluoride may be challenged. However, in general environments and conventional chemical reaction scenarios, its chemical properties are stable, and it is not easy to react with common substances, and it can maintain its own chemical structure and properties.
What are the precautions for Vinylidene Difluoride in the production process?
Vinylidene Difluoride, that is, vinylidene fluoride, in the production process, all matters need to be careful.
The first thing to pay attention to is the quality of the raw materials. If the raw materials are pure, the product is of high quality; if the raw materials are miscellaneous, the product will be defective. Therefore, when selecting materials, it is necessary to carefully review their purity and impurities to ensure that they meet the standards.
Second, the reaction conditions. Temperature, pressure, and catalyst are all key. If the temperature is high, the reaction speed will be high, and if it is too high, side reactions will occur; if the temperature is low, the reaction will be slow or even difficult. The same is true for pressure, moderate pressure can promote the forward reaction. The choice of catalyst is related to the efficiency and direction of the reaction, and it must be done with caution according to the characteristics of the reaction.
Furthermore, safety matters should not be ignored. This substance is flammable, and some of its products may be hazardous. Therefore, the production site, fire prevention and explosion prevention measures, ventilation and ventilation equipment must be complete. Workers should also be familiar with safety procedures to prevent accidents.
And there is maintenance of equipment. If the equipment is good, the production will be smooth. Regular inspection and repair, so that there is no risk of failure. If the equipment is damaged but not repaired, the accumulation of problems will become deeper and deeper, which will eventually hinder production.
Packaging and storage are also important matters. The packaging must be tight to prevent leakage; the storage place should be cool and dry, protected from heat and light, to avoid its qualitative change. In this way, the production of Vinylidene Difluoride is guaranteed to be smooth and the product is excellent.
How Compatibility of Vinylidene Difluoride with Other Materials
Vinylidene difluoride, also known as vinylidene fluoride, its compatibility with other substances is related to many application fields, which is a key question.
Vinylidene fluoride has unique chemical properties, and its molecular structure contains carbon-fluorine bonds, which endows it with excellent chemical stability and thermal stability. However, its compatibility with different materials needs to be carefully studied depending on the specific situation.
For polymer materials, vinylidene fluoride can be copolymerized with many monomers, such as hexafluoropropylene, to form copolymers. This copolymer exhibits excellent weather resistance, chemical corrosion resistance and electrical insulation, which shows that it has good compatibility with these comonomers. This is due to the matching of its molecular structure and reactivity, which allows the copolymerization reaction to proceed smoothly and the intermolecular interaction to be optimized.
In the mixed system with inorganic materials, the situation is more complicated. If the surface of the inorganic material is not specially treated, the compatibility of vinylidene fluoride with it may not be good. Because of the large difference in polarity and surface energy between the two, it is easy to cause phase separation. However, if the surface of the inorganic material is modified by introducing specific functional groups to enhance the interaction with vinylidene fluoride, such as through coupling agent treatment, the surface of the inorganic material is chemically bonded or strongly physically adsorbed with vinylidene fluoride, which can significantly improve the compatibility.
In terms of organic solvents, vinylidene fluoride can be soluble in some polar organic solvents, such as some ketone and ester solvents. This is because vinylidene fluoride has a certain polarity and has a similar compatibility effect with polar solvents. However, in non-polar organic solvents, its solubility is poor and the compatibility is not good.
To improve the compatibility of vinylidene fluoride with other materials, the method of adding a relaxant can often be used. The two ends of the relaxant molecule have good affinity with vinylidene fluoride and another material, connecting the two like a bridge, reducing the interfacial tension and improving the compatibility. Or through the optimization of the physical blending process, such as controlling the blending temperature, time, speed and other parameters, to promote the full diffusion and mixing of molecules, which can also improve the compatibility.