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[Chemical Knowledge]：What are the upstream raw materials for methacrylic acid and what are the downstream products?

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Methacrylic acid (Methacrylic Acid, referred to as MAA) is an important organic chemical raw materials, widely used in polymer synthesis, coatings, adhesives, fibers, pharmaceuticals and other fields. In the field of chemical production raw materials, there are many upstream and downstream related products of methacrylic acid, and some of the main upstream and downstream products will be listed below.

upstream products:

1. Propylene: Propylene is the main raw material of methacrylic acid, methacrylic acid is generated by oxidation reaction.
2. Methanol: Methanol is used as a reactant and solvent in the production of methacrylic acid.
3. Sulfuric acid: Sulfuric acid is used as a catalyst in the production of methacrylic acid.

downstream products:

1. Polymethyl methacrylate (PMMA):PMMA is a transparent plexiglass with high transparency, weather resistance, chemical resistance, etc., and is widely used in construction, automobiles, Electronics, medical and other fields.
2. Ethyl methacrylate (EMA):EMA is a polymer monomer with excellent properties, which can be used in the production of coatings, adhesives, fibers, etc.
3. Butyl methacrylate (BMA):BMA is a low viscosity, highly reactive monomer that can be used to produce polymer emulsions, adhesives, etc.
4. hydroxyethyl methacrylate (HEMA):HEMA is a methacrylic acid monomer containing hydroxyl groups, which can be used in the production of water-based coatings, fiber treatment agents, pharmaceuticals, etc.

In addition to the products listed above, methacrylic acid can also be copolymerized with other monomers to produce polymers with various properties, such as copolymerization with styrene to produce methacrylic acid styrene copolymer (MS resin), which has excellent weather resistance, Chemical resistance, electrical insulation and other characteristics, can be used in the production of building exterior wall coatings, electrical insulation materials, etc.

In short, methacrylic acid has an important position in the field of raw materials for chemical production, and its upstream and downstream related products are extensive, involving polymer synthesis, coatings, adhesives, fibers, medicine and other fields.

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