Polymethylpentene

Also known as Poly(4-methyl-1-pentene)

Polymethylpentene (PMP), also known as poly(4-methyl-1-pentene). It is used for gas-permeable packaging, autoclavable medical and laboratory equipment, microwave components, and cookware. It is commonly called TPX, which is a trademark of Mitsui Chemicals.

~3 min read

Encyclopedic overview

6 sections

Contents

Production
Physical properties
Optical properties
Applications
References
External links

==Production== Polymethylpentene is a 4-methyl-1-pentene-derived linear isotactic polyolefin and is made by Ziegler–Natta type catalysis. The commercially available grades are usually copolymers. It can be extruded and moulded (by injection moulding or blow moulding).

Excerpted from Wikipedia’s “Polymethylpentene” article, available under the CC BY-SA 4.0 licence.