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[Chemical Knowledge]：What are the upstream raw materials for BOPET film? What do the downstream products contain?

Read： 555 Time：19months ago Source：Transform the World with Simplicity

BOPET film is a widely used in packaging, printing, electronics and other areas of chemical production raw materials. It has many upstream and downstream related products, and some of the main upstream and downstream products will be described in detail below.

upstream products

1. Dimethyl phthalate (DMT):DMT is one of the main raw materials in the production of BOPET film, which comes from the petrochemical industry. DMT generates dimethyl terephthalate (DMT) through transesterification reaction, and then polycondensation reaction generates polyethylene terephthalate (PET).

2. Ethylene glycol (EG): Ethylene glycol is another major raw material used in the production of BOPET film, which also comes from the petrochemical industry. Ethylene glycol reacts with terephthalic acid to form a PET resin.

3. Catalyst: In the production process, it is necessary to use a catalyst to promote the reaction. Commonly used catalysts include magnesium acetate, zinc acetate and the like.

downstream product

1. Packaging film: BOPET film has the characteristics of excellent mechanical properties, high transparency, and good barrier properties, so it is widely used in the packaging industry. It can be used for food, medicine, cosmetics and other products packaging, as well as electronic products, medical equipment, such as moisture-proof, anti-oxidation protection.

2. Printing film: BOPET film has a smooth surface and good printing performance, so it is often used in the printing industry. It can be used to make all kinds of printed matter, such as labels, billboards, posters, etc.

3. Insulation material: BOPET film has excellent insulation properties, so it can be used in the electronics industry to make insulation materials, such as wire and cable insulation.

4. Optical materials: Because BOPET film has high transparency and good optical properties, it can be used to make optical materials, such as optical lenses, reflective films, etc.

In short, the upstream and downstream related products of BOPET film are very extensive, involving petrochemical, packaging, printing, electronics and other fields. With the continuous development of science and technology, the application field of BOPET film will continue to expand.

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