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[Chemical Knowledge]：What are the upstream raw materials of PP non-woven fabrics? What do the downstream products contain?

Read： 951 Time：13months ago Source：Transform the World with Simplicity

PP non-woven fabrics have a wide range of applications in the field of chemical production raw materials, and their upstream and downstream related products are numerous. The following are some of the main upstream and downstream related products:

1. Upstream related products:

(1) Polypropylene (PP): The main raw material of PP non-woven fabrics is polypropylene, which is a thermoplastic resin with excellent Chemical resistance, heat resistance, electrical insulation and mechanical properties. The production process of polypropylene mainly includes slurry method, liquid bulk method and gas phase method. The performance of polypropylene produced by different processes is different, so it is necessary to select suitable polypropylene raw materials according to the production requirements of non-woven fabrics.

(2) Additives: In order to improve the performance of PP non-woven fabrics, it is necessary to add some auxiliary materials, such as antioxidants, anti-ultraviolet agents, hydrophilic agents, flame retardants, etc. The type and amount of these additives need to be determined according to the specific application of the nonwoven fabric.

2. Downstream related products:

(1) Medical and health products: PP non-woven fabrics have good air permeability, filtration and antibacterial properties, so they are widely used in medical and health fields, such as surgical gowns, masks, dressings, Sanitary napkins, etc.

(2) Filter material: PP non-woven fabric has high filtration efficiency and low resistance, and can be used in air filtration, liquid filtration and other fields, such as air purifier filter elements, oil filters, etc.

(3) Packaging material: PP non-woven fabric has excellent strength and toughness, and can be used to package various products, such as food, medical equipment, etc.

(4) Agricultural cloth: PP non-woven fabrics can be used in the agricultural field, such as moisturizing cloth, shade cloth, etc., which can improve the growth efficiency and yield of crops.

In short, the upstream and downstream related products of PP non-woven fabrics are very extensive, involving medical and health, filtration, packaging, agriculture and other fields.

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