Home All Products PP Homopolymer J160 (Injection) - South Korea

PP Homopolymer J160 (Injection) - South Korea

IUPAC Name	: Poly(1-methylethylene)
Cas Number	: 9003-07-0
HS Code	: 390210
Formula	: (C₃H₆)n

Basic Info

Appearance Name	: White Granular Powder
Common Names	: Propene Polymers, Propylene Polymers, IPP
Packaging	: 25 Kg Bag

Industry

Plastic and Polymers

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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:

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.
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.
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.
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.

Brief Overview

Manufacturing Process

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