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[Chemical Knowledge]：What are the upstream raw materials of pure MDI? What are the downstream products?

Read： 580 Time：12months ago Source：Transform the World with Simplicity

Pure MDI is an important chemical raw material, which is widely used in polyurethane, rubber, paint and other fields. The following are the upstream and downstream associated products of pure MDI:

upstream products:

1. Benzene: Benzene is one of the important raw materials for the production of pure MDI. Through a series of chemical reactions, benzene can be converted into pure MDI.

2. Toluene diisocyanate (TDI):TDI can react with benzene to produce pure MDI. Therefore, TDI is also one of the important raw materials for the production of pure MDI.

Downstream products:

1. Polyurethane foam: Pure MDI is one of the important raw materials for the production of polyurethane foam. After mixing with polyols, water and other raw materials, a chemical reaction occurs to generate polyurethane foam. Polyurethane foam is widely used in insulation materials, furniture, construction and other fields.

2. Elastomers: Pure MDI can be mixed with polymers, catalysts and other materials to generate various elastomer materials, such as polyurethane rubber, polyurea rubber, etc. These elastomeric materials are widely used in the fields of tires, seals, belts, etc.

3. coatings: pure MDI can be used as one of the raw materials of coatings, mixed with other resins, pigments and other materials to generate a variety of polyurethane coatings. Polyurethane coatings have excellent weather resistance, chemical resistance, abrasion resistance and other advantages, widely used in construction, automotive, furniture and other fields.

In short, as an important chemical raw material, pure MDI has a wide range of upstream and downstream related products, which is of great significance to the development of chemical production raw materials.

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