PP Homopolymer F501N (Yarn) - Vietnam


:   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

Propylene is the only monomer used to create polypropylene homopolymer, which shows notable crystallinity and isotactic structure—a regular and orderly arrangement of molecular chains. This results in a material that has remarkable stiffness, exceptional chemical resistance, and excellent electrical insulating properties. Due to its high melting point, polypropylene homopolymer is widely used in manufacturing processes like as extrusion and injection molding to produce pipes, sheets, and packaging. It is a popular option in many industries, including consumer products, construction, and automotive, because to its outstanding mechanical and thermal qualities.

Manufacturing Process

Polypropylene homopolymer is produced by polymerizing propylene monomer at a particular pressure and temperature. The following stages are often included in the process:

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

  2. Quenching and Cooling: When the polymerization process is finished, the polymer is quenched, or cooled, using a cooling medium like water or gas to stop the reaction and decrease the polymer's temperature.

  3. Solid-State Polymerization: Throughout the solid-state polymerization process, the polymer is heated to enhance its mechanical characteristics and get rid of any unreacted monomer residue. At this point, the polymer can be heated in an inert environment or under vacuum to remove impurities and improve the final product's qualities.

  4. Pelletization: The resultant polymer is cut with a pelletizing machine into small pellets for better handling and transportation. Process factors including catalyst type, temperature, and pressure may be changed to change the properties of the resulting polypropylene homopolymer. Antioxidants, processing aids, and stabilizers can also improve the performance of the material.


Polypropylene homopolymer is a thermoplastic material that finds significant application in several areas due to its exceptional mechanical properties and cost. It is also quite adaptable. Typical applications for polypropylene homopolymer include the following:

  1. Packaging: Polypropylene homopolymer is widely used in food and beverage packaging, including bottles, lids, and containers, because of its excellent temperature and chemical resistance.

  2. Automotive: The car industry uses polypropylene homopolymer, especially for parts like battery housing, dashboard components, and interior trim. Its exceptional resistance to impacts, light weight, and tolerance to unfavorable environmental conditions all contribute to this.

  3. Medical: Because polypropylene homopolymer is low in toxicity and resistant to chemical sterilization, it is used in medical settings for goods like IV bags, surgical trays, and vials.

  4. Construction: PP homopolymer is used in construction-related applications including insulation, pipelines, and fittings because of its great stiffness, durability, and resistance to degradation from chemicals and the environment.

  5. Textile: Ropes, fibers, and geotextiles are among the textile applications that use PP homopolymer because of its high tensile strength and resilience to abrasion.

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