PP Homopolymer J700 (Injection) - Vietnam

IUPAC Name

:   Poly(1-methylethylene)

Cas Number

:   9003-07-0

HS Code

:   390210

Formula

:  

(C3H6)n

Basic Info

Appearance Name

:   White Granular Powder

Common Names

:   Propene Polymers, Propylene Polymers, IPP

Packaging

:   25 Kg Bag

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Technical Document

Brief Overview

Made from a single monomer, propylene, polypropylene homopolymer exhibits significant crystallinity and isotactic structure, which denotes a regular and systematic arrangement of molecular chains. This produces a material with excellent electrical insulating qualities, good chemical resistance, and extraordinary rigidity. Because polypropylene homopolymer has a high melting point, it is frequently processed using methods like injection molding or extrusion to create products like pipes, sheets, and packaging. Because of its superior mechanical and thermal properties, it is a preferred choice in a number of industries, including consumer goods, construction, and automotive.

Manufacturing Process

 

Propylene monomer is polymerized under specific pressure and temperature conditions to yield polypropylene homopolymer. The process usually consists of the following phases:

  1. Propylene Polymerization: A Ziegler-Natta catalyst, which usually consists of a transition metal compound and an organoaluminum co-catalyst, is present when propylene polymerization occurs. The process that yields a high molecular weight polypropylene homopolymer is initiated by this catalyst.

  2. Quenching and Cooling: The polymer is quenched, or cooled, using a cooling medium such as water or gas, to terminate the reaction and lower the polymer's temperature when the polymerization process is complete.

  3. Solid-State Polymerization: To improve the mechanical properties of the polymer and eliminate any unreacted monomer residue, the polymer is heated throughout the solid-state polymerization process. At this stage, the polymer can be heated under a vacuum or in an inert atmosphere to eliminate impurities and enhance the properties of the finished product.

  4. Pelletization: To make handling and shipping easier, the resulting polymer is sliced into small pellets using a pelletizing machine. The characteristics of the resultant polypropylene homopolymer can be modified by adjusting process variables such as temperature, pressure, and catalyst type. Moreover, the addition of stabilizers, processing aids, and antioxidants can enhance the material's performance.

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