PP Homopolymer J160 (Injection) - South Korea


:   Poly(1-methylethylene)

Cas Number

:   9003-07-0

HS Code

:   390210




Basic Info

Appearance Name

:   White Granular Powder

Common Names

:   Propene Polymers, Propylene Polymers, IPP


: 25 Kg Bag

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Technical Document

Brief Overview

Polypropylene homopolymer is a form of polypropylene consisting of a singular monomer, propylene. It exhibits a high degree of crystallinity and isotactic structure, indicating a uniform and ordered arrangement of molecular chains. This leads to a material with notable stiffness, commendable chemical resistance, and effective electrical insulation properties. With a high melting point, polypropylene homopolymer is typically processed through methods like injection molding or extrusion to manufacture items like pipes, sheets, and packaging materials. Its outstanding mechanical and thermal characteristics make it a preferred choice in diverse sectors, including automotive, construction, and consumer goods.

Manufacturing Process

Polypropylene homopolymer is a polymer generated through the polymerization of propylene monomer, utilizing specific temperature and pressure conditions. The typical process encompasses the following stages:

  1. Propylene Polymerization: Polymerization of propylene occurs in the presence of a Ziegler-Natta catalyst, usually comprising a combination of a transition metal compound and an organoaluminum co-catalyst. This catalyst initiates the reaction, leading to the formation of a polypropylene homopolymer with a high molecular weight.

  2. Quenching and Cooling: Once the polymerization process concludes, the polymer undergoes quenching, wherein a cooling medium like water or gas is employed to cease the reaction and lower the polymer temperature.

  3. Solid-State Polymerization: The polymer undergoes solid-state polymerization, a process that includes heating the polymer to eliminate any residual unreacted monomer and enhance its mechanical characteristics. This stage may entail heating the polymer in a vacuum or under an inert atmosphere to eliminate impurities and further enhance the properties of the end product.

  4. Pelletization: The polymer obtained is pelletized using a pelletizing machine, which slices the polymer into small pellets for easier handling and transportation.

The characteristics of the resultant polypropylene homopolymer can be customized by modifying process parameters such as temperature, pressure, and catalyst type. Moreover, the incorporation of additives like antioxidants, stabilizers, and processing aids is possible to enhance the material's overall performance.


Polypropylene homopolymer is a flexible thermoplastic material widely employed in various industries due to its exceptional mechanical properties and cost efficiency. Some common applications of polypropylene homopolymer include:

  1. Packaging: Polypropylene homopolymer is frequently employed in the packaging of food and beverages, including containers, bottles, and lids, owing to its exceptional chemical resistance and capacity to endure elevated temperatures. 3. Medical: Polypropylene homopolymer finds application in medical settings, including surgical trays, vials, and IV bags, owing to its capacity to endure chemical sterilization and exhibit low toxicity.

  2. Automotive: Polypropylene homopolymer finds application in the automotive sector, particularly in components like interior trim, dashboard elements, and battery cases. This is attributed to its remarkable impact resistance, lightweight nature, and capacity to endure challenging environmental conditions.

  3. Textile: PP homopolymer finds application in textile uses like fibers, ropes, and geotextiles, owing to its elevated tensile strength and resilience against abrasion.

  4. Construction: PP homopolymer finds application in construction-related uses like pipes, fittings, and insulation, owing to its elevated stiffness, durability, and resistance to chemical and environmental deterioration.

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