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[Chemical Knowledge]：What are the upstream raw materials of PS? What do the downstream products contain?

Read： 785 Time：13months ago Source：Transform the World with Simplicity

PS (polystyrene) is a common chemical raw material, widely used in plastics, rubber, coatings, adhesives and other fields. The upstream and downstream related products of PS mainly include the following aspects:

upstream products:

1. Styrene monomer: Styrene monomer is the main raw material of PS, which generates polystyrene through polymerization.

2. initiator: initiator is a catalyst in the polymerization reaction, which can promote the polymerization of styrene monomer to generate PS.

downstream products:

1. General-purpose polystyrene (GPPS): General-purpose polystyrene is a transparent, hard and brittle plastic material, which is widely used in the production of daily necessities, stationery, toys, packaging materials, etc.

2. high impact polystyrene (HIPS): high impact polystyrene is a modified type of polystyrene, with high impact strength, can be used for the production of home appliance shell, auto parts and so on.

3. Expandable polystyrene (EPS): Expandable polystyrene is a lightweight, easy-to-process foam plastic material, widely used in building insulation, packaging, electronic appliances and other fields.

4. Polystyrene modified materials: By adding different additives and modifiers, polystyrene modified materials with different properties and uses can be prepared, such as flame retardant polystyrene, enhanced polystyrene, etc.

To sum up, the upstream and downstream related products of PS cover many fields and have a wide range of application prospects.

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