Polymethylpentene

Polymethylpentene (PMP), also known as poly(4-methyl-1-pentene), is a thermoplastic polyolefin. 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.

Poly(4-methyl-1-pentene)
Names
IUPAC name
Poly[1-(2-methylpropyl)ethylene]
Other names
Poly(4-methyl-1-pentene); PMP
Identifiers
ChemSpider
  • none
Properties
(C6H12)n
Molar mass Variable
Density 0.833 g/mL
Melting point 240 °C (464 °F; 513 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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