What raw materials are used to make carbon black?

Carbon black (also known as carbon black) is an amorphous carbon. Light, loose and very fine black powder, with a very large specific surface area, ranging from 10-3000m2 g, is the product of incomplete combustion or thermal decomposition of organic matter (natural gas, heavy oil, fuel oil, etc.) under the condition of insufficient air. Those made of natural gas are called "gas black", those made of oil are called "lamp black", and those made of acetylene are called "acetylene black".

In addition, there are "groove black" and "furnace black". According to the performance of carbon black, there are "reinforcing carbon black", "conductive carbon black", "wear-resistant carbon black" and so on. It can be used as a black dye for the manufacture of Chinese ink, ink, paint, etc., and is also used as a reinforcing agent for rubber.

It is recorded that China was one of the first countries in the world to produce carbon black.

Depending on the production process of carbon black, the chemical properties of the surface are also different. The true surface area of most carbon blacks is larger than the geometric surface area calculated from the particle size. This is due to the presence of many micropores on the surface of carbon black, especially carbon black with a particle size of less than 25nm.

According to the analysis, groups such as phenolic groups, quinone groups, carboxyl groups and other groups can be detected on the surface of carbon black, and the concentration of these acidic groups is particularly high on the surface of gas black and oxidation furnace black. The pyrone structure can be detected in furnace black, which determines the alkaline nature of furnace black. The volatile content can determine the concentration of surface functional groups, and the polarity of carbon black can also be measured.

In addition, due to the large surface area of carbon black, it is easy to absorb water in the volatile environment, so special attention should be paid to moisture absorption in the process of transportation, storage and use of carbon black.

Most of them are geometrical studies of conductive particle contact. According to this theory, the larger the amount of carbon black filling, the greater the density of carbon black particles or carbon black particle aggregates in the dispersed state, the smaller the average distance between the particles, the higher the probability of contact with each other, and the more conductive pathways formed by carbon black particles or carbon black particle aggregates. The greater the polarity of the polymer and carbon black composition blending system of different polarities, the greater the critical volume fraction of carbon black, which means that the conductivity of the system decreases, because the surface of carbon black contains strong polar groups, the matrix polarity is large, and the action is enhanced, and the strength increases, but it hinders the agglutination of the conductive particles themselves, resulting in poor conductivity.

However, in the blending system composed of multi-component matrix resin and carbon black, due to the different polarity of different matrices, the filled carbon black will produce segregation, and the conductivity depends on the concentration and distribution state of carbon black particles in the segregated phase, and also depends on the proportion of polymers in the segregated phase.

Carbon black. Carbon black) molecular weight: It is a fine powder produced by incomplete combustion of carbon-containing raw materials (mainly petroleum).

It is a pure black fine-grained or powdery substance. The depth of color, the fineness of the particles, and the specific gravity vary depending on the raw materials used and the manufacturing method. Carbon.

Insoluble in water, acid, alkali; It can be burned in the air and becomes carbon dioxide.

The main component of carbon black is the element carbon.

It also contains small amounts of hydrogen, oxygen, sulfur, ash, tar, and water. Commercial carbon black should have certain specifications.

1.The best black pigments.

2.Almost the cheapest pigment.

3.The pigment with the strongest tinting strength and hiding power.

4.Visual perception is neutral.

5.The most stable pigment, heat, chemical, and light resistant.

Carbon black is an important pigment second only to titanium dioxide, and the world consumes about 6 million tons of rubber carbon black every year, and about 250,000 tons of special carbon black for coloring and other purposes. The so-called special carbon black refers to its use in "coloring" or "conducting", rather than the reinforcement of rubber carbon black. Carbon black is manufactured using a precisely controlled production method that can form about 50 different varieties, including 30 varieties for the rubber industry.

Most of the carbon black raw materials are: natural gas, coal tar, anthracene oil, calcium carbide, heavy oil, etc.

Most of the natural gas carbon black products are semi-reinforcing carbon black;

Most of the carbon blacks produced from coal tar and anthracene oil are pigment carbon black and rubber carbon black;

The carbon black produced by calcium carbide as raw material is mostly conductive acetylene carbon black and acetylene conductive carbon black;

The carbon black produced by heavy oil as raw material is mostly conductive carbon black, superconductive carbon black and special conductive carbon black.

I hope the above summary can help you, thank you!

The raw materials for carbon black production include petroleum products, asphalt coal tar, N oil, natural gas and other raw materials with extremely high carbon content.

Carbon black production principle:

The production principle of carbon black is that the carbon black raw material cannot be produced under the conditions of lower atmospheric pressure and insufficient air, but is formed by incomplete combustion or pyrolysis of hydrocarbons at high temperatures.

What raw materials are used to make lamp smoke carbon black?

The combustion gas containing carbon black is collected by the exhaust hood covered with bricks, and then reaches the deposition device through the elbow (bending 1 4) and the ignition pipe, and finally collects the carbon black.

What raw materials are used to make gas carbon black?

The gas carbon black uses raw hydrocarbons, which are first gasified when heated, and then brought to the burner by a spontaneously ignitable gas (for energy) as a carrier, and the carbon black is generated in a large number of fan-shaped flames emitted by these bat-shaped burners. Since each flame is small and burns in the air, carbon black is formed.

What raw materials are used to make trough carbon black?

The trough method of carbon black is based on natural gas as raw material, the process of trough black is similar to the gas combustion process of gas black production process, natural gas burns, emits many fan-shaped flames, and the product obtained is similar to gas black, but the difference is that a flat water-cooled U-shaped trough is used as the sedimentation tank of carbon black.

What raw materials are used to make furnace carbon black?

The furnace carbon black is made of oil as raw material, and the production process is carried out in a closed furnace under anoxic conditions, using a large flame, using oil as raw material, and adding combustible gas to reach the required temperature in the furnace.

Carbon black, also known as carbon black, is an amorphous carbon, light, loose and very fine black powder, it is coal, natural gas, heavy oil, fuel oil and other carbon-containing substances in the condition of insufficient air through incomplete combustion or thermal decomposition of the product, the surface area is very large, ranging from 10-3000m2 g, the structure of carbon black is expressed by the degree of aggregation between carbon black particles into a chain or grape-like.

The term "carbon black" is actually a general term that includes carbon black products for all these purposes. Each type of carbon black has its own specific physicochemical properties, which are closely related to the feedstock used, the combustion cracking process, the production method, and the operating conditions.

Industrial carbon black is composed primarily of carbon, with microcrystallites having a quasi-graphite structure and concentric orientation, and its "particles" are composed of a polymelt of near-spherical or other irregular shapes.

Carbon black, which is composed of a condensate consisting of the size and shape of the conglomerate and the number of particles in each condensate, is called high-structure carbon black. The larger the oil absorption value, the higher the structure of carbon black, which is easy to form a spatial network channel and is not easy to destroy.

Carbon black has excellent rubber reinforcement, coloring, conductive or antistatic and ultraviolet absorption functions, and is listed as one of the 25 basic chemical products and fine chemical products in the international chemical field. The carbon black industry is of great significance to the tire industry, the dyeing and chemical industry and the improvement of the quality of civil life products.

The main uses of carbon black are coating inks, paint pastes, rubber and plastics, plastic foams, silicone, ceramics, leather and cement building materials.

Carbon black has a very long history, and it is recorded that China was one of the first countries in the world to produce carbon black. In ancient times, people burned vegetable and vegetable oils, pine branches, and collected black ash from the smoke of the fire, which was used to make ink and black pigments. The oracle bone inscription of the Yin Shang period 3,000 years ago was recorded by using "soot" to make ink, and the ancient bamboo slips in China were also written in ink.

Carbon black production method

In the initial period of the carbon black industry, natural gas was used as raw material, and the main production method was the trough method. The equipment is bulky and has a low output; In the 40s of the 20th century, furnace carbon black, including oil furnace method and gas furnace method. This production method equipment is smaller and the output is larger, but the quality is not as good as that of trough carbon black.

In the 50s of the 20th century, China first began to produce trough carbon black in Fushun and Sichuan, and began to produce furnace carbon black in the 60s. In the 80s and 90s, the Tianjin Carbon Black Plant introduced 10,000 tons of hard wire of carbon black in the continental United States in 1985. Later, Tianjin Carbon Black Factory, Fushun Chemical Plant, and Carbon Black Research Institute absorbed and transformed the imported production line.

Carbon black can be used as pigment coloring, conductive filler, (wear-resistant, tensile resistant, reinforcing, tear-resistant, anti-oxidation filler), anti-static filler and other functions. The appearance is black powder or granules, with light specific gravity and no water absorption on the surface.

Carbon Black Industry" describes a lot of carbon black knowledge, applications, functions, characteristics and industry information, I hope to help you!

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Hello answer, I have seen your question and am sorting out the answer, please wait a while Hello! Carbon black includes reinforcing carbon black, super wear-resistant black, pigmented carbon black, white carbon black, black carbon black, etc., and the specific uses are as follows:

1. According to the production process, there are wet carbon black, dry carbon black, and spray carbon black.

2. According to the production of raw materials, there are coal tar carbon black, natural gas carbon black, etc.

3. Rubber for slippers is used as raw material, and carbon black is added to the formula, and the functions of carbon black are mainly reinforcing, wear-resistant, filling, and pigmenting.

4. Used in the rubber tire industry, the main role of carbon black for special purposes is coloring, which is used in ink and coating industries.

Carbon black (also known as carbon black) is a quasi-graphite structural substance similar to a sphere colloidal particles formed by incomplete combustion or thermal cracking of hydrocarbon compounds (mainly petroleum derivatives), which exists in the form of aggregates, and is pure black powder or granular in appearance. The particle size, structure and surface activity of products vary greatly depending on the raw material and production process.

Carbon black is a state in which wood is heated and baked at high temperatures, removing some of the moisture and impurities, and retaining the form of organic matter with carbon. It has the burning properties of wood, but the heat released will be more concentrated and higher. The color is black, so it is called carbon black.

Used as a reinforcing agent and filler for rubber, its consumption is about half of rubber consumption, and carbon black for rubber accounts for 94 of the total carbon black, of which about 60 is used in tire manufacturing. It is also used as a colorant for inks, coatings and plastics, as well as an ultraviolet shielding agent for plastic products. It is also an important additive in many other products, such as electrodes, dry batteries, resistors, explosives, cosmetics and polishing pastes.

1. Calcium carbide. Most of the carbon blacks produced as raw materials are conductive acetylene.

Carbon black, acetylene deficiency conductive carbon black. 2. Most of the carbon black produced from coal tar and anthracene oil is pigment carbon black and rubber carbon black. 3. The carbon black produced by heavy oil as raw material is mostly conductive carbon black, superconductive carbon black and special conductive carbon black.

4. The main purpose of natural gas is as fuel, which can make carbon black, chemicals and liquefied petroleum gas.

Propane produced from natural volbota.

Butane is an important raw material for modern industry. <

1. The carbon black produced by calcium carbide as raw material is mostly conductive acetylene carbon black and acetylene conductive carbon black.

2. Most of the carbon black produced from coal tar and anthracene oil is pigment carbon black and rubber carbon black.

3. The carbon black produced by heavy oil as raw material is mostly conductive carbon black and superconductive carbon black.

and special conductive carbon black.

4. The main use of natural gas is as fuel, which can be used to make carbon black, chemical silver and liquefied petroleum gas, and propane and butane produced by natural gas are important raw materials for modern industry.

5. Anthracene oil, with large viscosity and solid washing out at room temperature, is the raw material for the manufacture of coatings, electrodes, asphalt coke, carbon black, wood preservative oil and pesticides, etc., mainly used for extracting crude anthracene, acenaphthene, fluorene, phenanthrene and carbazole.

and other chemical raw materials.

The main functions of carbon black are reinforced, wear-resistant, filling, and pigmenting.

Carbon black can be used in the manufacture of: masterbatches, rubber, plastics, inks, mining pipes, high-temperature resistant materials, insulating materials, paints, silicone, cement concrete, plastic hair support mold bubbles, PVC cable materials, water paint, non-woven fabrics, alcohol-soluble solvents, PVC particles, polyester, chemical fibers, blown films, coatings, sealants, grouts, calendered films.

Paper industry, glass glue, resin, epoxy flooring, water-based solvents, oil solvents, polyurethane, polyethylene, fertilizers, conductive materials, superconductive materials, superconductors, electrical components, semiconductors, special plastics, anti-static mats, cosmetic mascara, etc.

How to make carbon black:

1. Furnace method: carbon black is generated by incomplete combustion or pyrolysis of natural gas or high aromatic hydrocarbon oil in the reaction furnace, which is called furnace black, which is the largest output and the most varieties of carbon black. The significant difference between furnace black and groove black and hot cracking black is that the degree of melting or coalescence of the particles can be adjusted according to different uses.

2. Groove method: carbon black is produced with natural gas as the main raw material and channel steel as the flame contact surface, which is called groove black. Compared with furnace black and hot cracking black, its particles are finer and the specific surface area is larger.

At the same time, due to the use of specific production methods, its surface is oxidized, containing more oxygen-containing functional groups and is acidic. These carbon black particles have a low degree of coalescence. Because it contains more oxygen-containing functional groups, it can delay the vulcanization rate of rubber, improve the weather resistance of polyolefins, and give the ink good fluidity and printing performance.

3. Thermal cracking method: natural gas, coke oven gas or heavy liquid hydrocarbons are used as raw materials, and carbon black is generated by high-temperature pyrolysis without oxygen and flame, which is called hot cracking black. It is the lowest specific surface area of carbon black varieties, which basically exists as a single spherical particle, does not melt or coalesce into aggregates, and has very little oxygen content on its surface.