Polyamide-imide (PAI)

Polyamide-imide (PAI)

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IUPAC Name
Polyamide-imide
HS Code
-
Formula
[C6H11NO]n
Appearance
-
CAS No
25038-54-4
Common Names
Polyamide-imide
Packaging
-
Category
  • Polymer
  • Thermoplastics

Overview:

  • Polyamide-imides are either thermosetting or thermoplastic, amorphous polymers that have exceptional properties.

  • Polyamide-imides display a combination of properties from both polyamides and polyimides. High mechanical strength, thermal and chemical resistant, also good wear and radiation resistance make Polyamide-imides very expensive.

  • Polyamideimides are either prepared from an aromatic diamine and aromatic acid chloride anhydride (acid chloride route) or from aromatic diisocyanate and anhydride (diisocyante route)

  • One of common ways to synthesize polyamide-imides are from reacting isocyanates and TMA (trimellic acid-anhydride) in N-methyl-2-pyrrolidone (NMP).

Polyamide-imide polymers can be processed into a wide variety of forms, from injection or compression molded parts and ingots, to coatings, films, fibers and adhesives.

Applications of polyamide-imides includes manufacturing parts for internal combustion and jet engines, electrical and electronic components, and extensively as wire coatings in making magnet wire.