Polyimide vs. Polyamide

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Main Difference

The main difference between Polyimide and Polyamide is that the Polyimide is a polymer of imide monomers and Polyamide is a macromolecule with repeating units linked by amide bonds.

  • Polyimide (noun)

    Any polymer whose monomers are imides; used to make high-temperature resins

  • Polyamide (noun)

    Any of a range of polymers containing amide (or peptide) repeat units; examples include proteins and nylon.

  • Polyimide (noun)

    a synthetic resin in which the polymer units are linked by imide groups, used chiefly for heat-resistant films and coatings.

  • Polyamide (noun)

    a synthetic polymer of a type made by the linkage of an amino group of one molecule and a carboxylic acid group of another, including many synthetic fibres such as nylon.

Oxford Dictionary
Princeton's WordNet

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