Editing Polyamide (section)

{{Short description|Macromolecule with repeating units linked by amide bonds}}
A '''polyamide''' is a [[polymer]] with [[repeating unit]]s linked by [[amide]] bonds.<ref>Palmer, R. J. 2001. Polyamides, Plastics. Encyclopedia Of Polymer Science and Technology. {{doi|10.1002/0471440264.pst251}}</ref>

Polyamides occur both naturally and artificially. Examples of naturally occurring polyamides are [[protein]]s, such as [[wool]] and [[silk]]. Artificially made polyamides can be made through [[step-growth polymerization]] or [[solid-phase synthesis]] yielding materials such as [[nylon]]s, [[aramid]]s, and [[sodium polyaspartate]]. Synthetic polyamides are commonly used in textiles, automotive industry, carpets, kitchen utensils and sportswear due to their high durability and strength. The transportation manufacturing industry is the major consumer, accounting for 35% of polyamide (PA) consumption.<ref>[http://www.ceresana.com/en/market-studies/plastics/engineering-plastics/ Market Study Engineering Plastics, Ceresana, Sep 2013]</ref>