What is high impact polypropylene?

High impact polypropylene (hiPP) is a high-tech commodity polymer widely used in injection molding parts for automotive. hiPP is a complex material formed by a matrix of isotactic polypropylene in which a poly(ethylene−propylene) elastomeric copolymer (EPR) is finely dispersed.

What is the structure of polypropylene?

(C3H6)n
Polypropylene/Formula

What are the properties of polypropylene?

The properties of Polypropylene include…

• Semi-rigid.
• Translucent.
• Good chemical resistance.
• Tough.
• Good fatigue resistance.
• Integral hinge property.
• Good heat resistance.

Which type of polymerization is used to make high density polypropylene?

Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene. Polypropylene belongs to the group of polyolefins and is partially crystalline and non-polar.

Which is stronger polypropylene or thermoplastic?

Polypropylene copolymer is divided into random copolymers and block copolymers produced by polymerizing of propene and ethane: The regular pattern makes the thermoplastic tougher and less brittle than the random co-polymer. These polymers are suitable for applications requiring high strength, such as industrial usages.

What are the advantages of polypropylene?

Advantages of polypropylene:

• It is a relatively inexpensive material.
• It possesses high flexural strength because of its semi-crystalline nature.
• It has a low coefficient of friction • It is very resistant to moisture.
• It has good chemical resistance over a wide range of bases and acids.

Is polypropylene a thermosetting plastic?

Polypropylene is classified as a “thermoplastic” (as opposed to “thermoset”) material which has to do with the way the plastic responds to heat. This characteristic makes thermoset materials poor candidates for recycling.