The dictionary of chemistry tells you what fine chemicals are and the classification of fine chemicals. Fine chemicals are different from chemicals in the traditional sense, but from the word fine, it can be seen that they belong to a small group of chemicals, generally referring to some products with low yield and high purity. The following is a detailed introduction to the concept.
What are fine chemicals
The so-called fine chemical products (namely fine chemicals) refer to those chemical products with specific application functions, intensive technology, strong commodity and high added value of products. The chemical enterprises that produce fine chemicals are generally called fine chemical industry or fine chemical industry for short.
Classification of fine chemicals
China fine chemical products include 11 product categories:
1. Pesticide; 2. Dye; Paint (including paint and ink); 4. Paint; 5. Reagents and high-purity substances; 6. Chemicals used for information (including light-sensitive materials, magnetic materials and other chemicals that can accept electromagnetic waves); 7. Food and feed additives; 8. Adhesive; 9. Catalysts and various auxiliaries; 10. Chemicals (bulk drugs) and daily chemicals (produced by chemical systems); 11. Functional polymer materials in polymer (including functional film, polarized light materials, etc.).
The catalysts and auxiliaries include the following:
1) Catalyst. Catalysts for oil refining, petrochemical, chemical industry, environmental protection (such as tail gas treatment) and other purposes.
2) Printing and dyeing auxilia. Detergent, dispersant, levelling agent, color fixing agent, softening agent, antistatic agent, all kinds of pigment printing assistant, fluorescent whitening agent, permeating agent, solvent, defoamer, flame retardant for fiber, waterproof agent and so on.
3) Plastic additives. Plasticizer, stabilizer, lubricant, ULTRAVIOLET absorber, foaming agent, coupling agent, flame retardant for plastics, etc.
4) Rubber additives. Curing agent, sulfur accelerator, anti-aging agent, plasticizer, regenerated activator and so on.
5) Water treatment agent. Flocculant, corrosion inhibitor, scale inhibitor and dispersant, bactericidal alga, etc.
6) Oil for fiber drawing. Oil for polyester filament, oil for polyester staple, oil for nylon, oil for acrylic, oil for polypropylene, oil for vinylon, oil for glass filament.
7) Organic extractant. Pyridine alkyl series, aliphatic hydrocarbon series, acetonitrile series, glycolaldehyde series, etc.
8) High molecular polymer additive. Initiator, inhibitor, terminator, regulator, activator.
9) Surfactant. Cationic, anionic, nonionic and amphoteric surfactants other than household detergents.
10) Leather additives. Synthetic tanning agent, ester agent, finishing agent, brightener, soft skin oil, etc.
11) Pesticide additives. Emulsifier, synergist, stabilizer, etc.
12) Oil field chemicals. Chemicals for mud, chemicals for water treatment, demulsifiers for oil fields, depressants, etc.
13) Concrete additives. Water reducer, waterproofing agent, accelerating agent, retarder, air entrainer, foam agent, etc.
14) Mechanical and metallurgical auxiliaries. Anti-rust agent, cleaning agent, electroplating aid, welding aid, carburizing agent, nitriding agent, automobile and other vehicles antifreeze.
15) Oil additives. Dispersing cleanness additive, anti-wear additive, anti-oxidation additive, anti-corrosion additive, anti-static additive, viscosity adjustment additive, depressant, anti-shock additive, hydraulic transmission additive, transformer oil additive, etc.
16) Carbon black. High wear - resistant, semi - reinforcing, pigment and other functions of carbon black.
17) Adsorbents. Rare earth molecular sieve series, alumina series, natural zeolite series, active clay series,
18) Special chemicals for the electronic industry (excluding photoresist, dopant, MOS reagent and other high-purity substances and special gases) potassium carbonate, fluoride, flux, graphite milk for picture tube, etc.
19) Paper additives. Sizing agent, reinforcing agent, retention agent, waterproof agent, feeding agent, etc.
20) Other additives.
Above is the original chemical enterprise is supported by fine chemical products, in addition, light industry, medicine and other systems also produce some other fine chemicals, such as medicine, civil detergent, cosmetics, single and mixed spice, fine ceramics, life science with the explosive materials, and a broader military chemicals, electronic chemicals and functional polymer materials used in industry, etc. In the future, with the development of science and technology, there will be some emerging fine chemicals.
Above is the original chemical enterprise is supported by fine chemical products, in addition, light industry, medicine and other systems also produce some other fine chemicals, such as medicine, civil detergent, cosmetics, single and mixed spice, fine ceramics, life science with the explosive materials, and a broader military chemicals, electronic chemicals and functional polymer materials used in industry, etc. In the future, with the development of science and technology, there will be some emerging fine chemicals.
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