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    PP Random Copolymer L670M - South Korea

    PP Random Copolymer L670M - South Korea in Tradeasia

    IUPAC Name


    Cas Number


    HS Code




    Basic Info


    White crystal

    Common Names

    Propene Polymers, Propylene Polymers


    25 Kg Bag

    Brief Overview


    Polypropylene random copolymer is a type of polymer that is produced by copolymerization of propylene and another comonomer, typically ethylene or butene, in which the comonomer is randomly distributed throughout the polymer chain. Polypropylene random copolymers have a lower melting point, greater transparency, and better flexibility than homopolymer polypropylene due to the incorporation of the comonomer. Additionally, the incorporation of the comonomer also improves the impact resistance, toughness, and processability of the polymer. Polypropylene random copolymers are widely used in various applications, such as packaging, automotive components, consumer goods, and medical devices, due to their excellent properties and versatility. They are commonly used as a replacement for traditional materials such as glass and metal due to their lightweight, high strength, and resistance to chemicals and UV light.

    Manufacturing Process

    Polypropylene random copolymer (PPRC) is manufactured by a copolymerization process that involves the use of a catalyst system to react propylene with a comonomer such as ethylene or butene. The process typically involves the following steps:

    1. Polymerization: Propylene is polymerized in the presence of a Ziegler-Natta catalyst, typically a combination of a transition metal compound and an organoaluminum co-catalyst, under specific temperature and pressure conditions to produce a high molecular weight homopolymer polypropylene.

    2. Comonomer addition: Once the desired molecular weight of the homopolymer is achieved, the comonomer, such as ethylene or butene, is added to the reaction mixture along with the catalyst system. The comonomer reacts with the polypropylene chain, leading to the formation of random copolymer chains.

    3. Termination: The polymerization is terminated by adding a terminating agent or by reducing the temperature and pressure.

    4. Separation and finishing: The resulting random copolymer is then separated from the catalyst and other by-products using various methods such as filtration, washing, and drying. The finished product is then pelletized and packaged for use.


    Polypropylene random copolymer (PPRC) has a wide range of applications due to its unique properties, which combine the characteristics of polypropylene and the comonomer. Some common applications of PPRC include:

    1. Packaging: PPRC is widely used in packaging applications such as food containers, bottles, and films due to its good barrier properties against moisture, gases, and other contaminants.

    2. Automotive components: PPRC is used in the automotive industry for various parts such as bumpers, dashboards, and interior trim due to its high impact resistance, toughness, and resistance to heat and chemicals.

    3. Consumer goods: PPRC is used in a variety of consumer goods such as toys, household appliances, and sports equipment due to its durability, strength, and flexibility.

    4. Medical devices: PPRC is used in medical devices such as syringes, IV bags, and medical packaging due to its excellent biocompatibility and sterilization properties.

    5. Pipes and fittings: PPRC is used in the construction industry for pipes and fittings due to its high resistance to chemicals, heat, and pressure.

    6. Textiles: PPRC fibers are used in various textile applications such as geotextiles, carpets, and upholstery due to their excellent tensile strength and resistance to abrasion.

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