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[Chemical Knowledge]：What are the upstream raw materials for 1,3-propanediol? What are the downstream products?

Read： 1652 Time：12months ago Source：Transform the World with Simplicity

1,3-Propanediol (PDO) is an important chemical raw material, which is widely used in the production of various chemicals, polymers and materials. In the field of chemical production raw materials, the upstream and downstream related products of 1,3-propylene glycol are very rich. The following are some of the main upstream and downstream related products:

upstream products:

1. Propylene: Propylene is one of the main raw materials of 1,3-propanediol, which can be converted into 1,3-propanediol by catalytic oxidation or biological methods.
2. Acetic acid: In some production processes, acetic acid is also used as a raw material for 1,3-propanediol.

downstream products:

1. Polyester (Polyester):1,3-propanediol can be used to produce polyesters, such as polytrimethylene terephthalate (PTT). PTT is a high-performance, biodegradable polymer that is widely used in the fields of fibers, films and engineering plastics.
2. Polyurethane (Polyurethane):1,3-propylene glycol can be used as the raw material for the production of polyurethane, and the reaction of diisocyanate, chain extender, etc. Polyurethane is widely used in furniture, construction, automobiles, shoes and other fields.
3. Plasticizers (Plasticizers):1,3-Propanediol can be used to produce plasticizers such as dipropyl phthalate (DPHP). Plasticizers are mainly used in plastic processing to improve the flexibility, processability and low-temperature impact resistance of plastics.
4. Antifreeze (Antifreeze):1,3-propanediol can be used as the main component of antifreeze to lower the freezing point of the liquid and prevent the equipment from freezing at low temperatures.
5. Pharmaceutical intermediates: 1,3-propanediol can be used as pharmaceutical intermediates for the synthesis of antibacterial drugs, anticancer drugs and other drugs.

In short, 1,3-propanediol has a wide range of upstream and downstream related products in the field of chemical production raw materials, which is of great significance for promoting the development of the chemical industry.

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