PP Homopolymer J800 (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, derived from a sole monomer, propylene, showcases substantial crystallinity and an isotactic structure, signifying a consistent and orderly alignment of molecular chains. This results in a material characterized by remarkable stiffness, commendable resistance to chemicals, and efficient electrical insulation properties. Possessing a high melting point, polypropylene homopolymer is commonly processed through techniques such as injection molding or extrusion to produce items like pipes, sheets, and packaging materials. Its exceptional mechanical and thermal attributes render it a favored option in various industries, including automotive, construction, and consumer goods.

Manufacturing Process

Propylene monomer is polymerized under particular pressure and temperature conditions to produce polypropylene homopolymer. The following phases are typically included in the process:

  1. Propylene Polymerization: Propylene polymerization takes place in the presence of a Ziegler-Natta catalyst, which is typically made up of an organoaluminum co-catalyst and a transition metal compound. This catalyst starts the process that results in the creation of a high molecular weight polypropylene homopolymer.

  2. Quenching and Cooling: After the polymerization process is finished, the polymer is quenched, which is the process of stopping the reaction and bringing the polymer's temperature down using a cooling medium like water or gas.

  3. Solid-State Polymerization: The polymer is heated during the solid-state polymerization process in order to remove any unreacted monomer residue and improve the mechanical properties of the polymer. At this step, the polymer may be heated in an inert atmosphere or under a vacuum to remove impurities and improve the final product's qualities.

  4. Pelletization: A pelletizing machine is used to slice the obtained polymer into small pellets for easier handling and transportation.

Process variables like temperature, pressure, and catalyst type can be changed to alter the properties of the resulting polypropylene homopolymer. Furthermore, the performance of the material can be improved by adding additives such as stabilizers, processing aids, and antioxidants.


Polypropylene homopolymer is a thermoplastic material that is highly adaptable and widely used in a variety of industries because of its exceptional mechanical properties and affordability. Typical applications for polypropylene homopolymer include:

  1. Packaging: Because polypropylene homopolymer is so resistant to chemicals and can withstand high temperatures, it is widely used in food and beverage packaging, such as containers, bottles, and lids.

  2. Automotive: The automotive industry uses polypropylene homopolymer, especially for parts like dashboard elements, battery cases, and interior trim. This is explained by its exceptional resistance to impact, light weight, and ability to withstand harsh environmental conditions.

  3. Medical: Because polypropylene homopolymer is low toxicity and can withstand chemical sterilization, it is used in medical settings for items such as IV bags, surgical trays, and vials.

  4. Construction: PP homopolymer is used in construction-related applications such as insulation, pipes, and fittings because of its high stiffness, durability, and resistance to deterioration from chemicals and the environment.

  5. Textile: PP homopolymer is used in textile applications such as ropes, fibers, and geotextiles because of its high tensile strength and resistance to abrasion.

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