PP Homopolymer S1003 (Yarn) - 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

Polypropylene homopolymer is one kind of polypropylene that is composed solely of the monomer propylene. It has a high degree of crystallinity and an isotactic structure, which indicates that the molecular chains are arranged regularly and orderly. This results in a polymer that is very rigid, has good chemical resistance, and functions as an efficient electrical insulator. Due to its high melting point, polypropylene homopolymer is widely used in the production of pipes, sheets, and packaging materials through processes including as extrusion and injection molding. Owing to its exceptional mechanical and thermal characteristics, it is a preferred material in several industries, such as consumer goods, building, and automotive.

Manufacturing Process

Polypropylene homopolymer is created by polymerizing propylene monomers at a certain pressure and temperature. The traditional process entails the following steps:

  1. Propylene Polymerization: To create a Ziegler-Natta catalyst, an organoaluminum co-catalyst and a transition metal compound are often mixed. This catalyst is utilized to help in the polymerization of propylene. This catalyst initiates the reaction, and the result is a high-molecular-weight polypropylene homopolymer.

  2. Quenching and Cooling: After polymerization, the polymer goes through a process called quenching, in which the reaction is stopped and the temperature of the polymer is lowered by applying a cooling agent, such gas or water.

  3. Solid-State Polymerization: During the solid-state polymerization process, the polymer is heated to enhance its mechanical characteristics and eliminate any unreacted monomer. At this phase, the polymer can be heated under vacuum or in an inert environment to eliminate impurities and enhance the qualities of the finished product.

  4. Pelletization: Using a pelletizing machine, the obtained polymer is cut into small pellets to facilitate handling and transportation.

You may alter process factors like temperature, pressure, and catalyst choice to alter the properties of the final polypropylene homopolymer. The performance of the material can also be improved by using additives such stabilizers, processing aids, and antioxidants.


Polypropylene homopolymer is a thermoplastic material that is very versatile, possesses exceptional mechanical properties, and is fairly priced. It is widely utilized throughout several industries. The following are just a few uses for polypropylene homopolymer:

  1. Packaging: Polypropylene homopolymer, which is used in food and beverage packaging, is commonly used to make containers, bottles, and lids. This is due to its remarkable resilience to chemicals and its ability to withstand high temperatures.

  2. Automotive: Parts including dashboard components, battery compartments, and interior trim are made of polypropylene homopolymer. This is due to its exceptional impact resistance, lightweight design, and ability to withstand challenging climatic conditions.

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

  4. Construction: Because of its increased rigidity, durability, and resistance to chemical and environmental deterioration, polypropylene homopolymer is used in pipes, fittings, and insulation.

  5. Textile: Due to its exceptional tensile strength and abrasion resistance, polypropylene homopolymer is used in textile applications such as fibers, ropes, and geotextiles.

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