PP Homopolymer P303S (Thermoforming) - Thailand


:   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 is very strong, has exceptional chemical resistance, and excels in electrical insulation. 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


Propylene monomer is polymerized at a certain pressure and temperature to produce polypropylene homopolymer. The following stages are often included in the process:

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

  2. Quenching and Cooling: After the polymerization process is finished, the polymer is cooled by using a cooling agent, such as gas or water, to stop the reaction and reduce the polymer's temperature.

  3. Solid-State Polymerization: The polymer is heated to enhance its mechanical characteristics and eliminate any unreacted monomer residue during the solid-state polymerization process. 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: Using a pelletizing machine, the resulting polymer is cut 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.



The thermoplastic material polypropylene homopolymer is widely used in several sectors because to its cost-effectiveness and remarkable mechanical characteristics. It is also quite adaptable. Typical applications for polypropylene homopolymer include the following:

  1. Packaging: Because of its remarkable chemical resistance and thermal stability, polypropylene homopolymer is widely used in food and beverage packaging, including as bottles, lids, and containers.

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

  3. Medical: Due to its non-toxicity and resistance to chemical sterilization, polypropylene homopolymer is used in medical settings for surgical trays, vials, and IV bags.

  4. Construction: PP homopolymer is perfect for use in construction-related applications including insulation, pipelines, and fittings because of its high rigidity, durability, and resistance to chemical and environmental degradation.

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

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