polyamideimide

chemical compound

Also known as: PAI, Torlon

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July 1, 2026

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Polyamideimide (PAI) is a type of polymer that combines the properties of polyimides and polyamides. Polyimides are known for their high temperature stability and strength, often used in demanding applications like aircraft components and electronics. Polyamides, such as nylon, are versatile polymers used in fibers and plastics.12

PAI, like the commercial product Torlon, integrates both imide and amide functional groups within its molecular structure. This combination results in a material that is resistant to high temperatures, wear, and corrosion, making it suitable for coatings and films.13

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major industrial polymers
Polyimides
Related commercial products are polyamideimide (PAI; trademarked as Torlon by Amoco Corporation) and polyetherimide (PEI; trademark Ultem); these two compounds combine the imide function with amide and ether groups, respectively.
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Related commercial products are polyamideimide (PAI; trademarked as Torlon by Amoco Corporation) and polyetherimide (PEI; trademark Ultem); these two compounds combine the imide function with amide and ether groups, respectively.
Read More