Polyether block amide: Difference between revisions

Revision as of 09:32, 18 July 2013

Revision as of 01:52, 4 January 2016

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{{Unreferenced|date=March 2008}}

'''Polyether block amide''' or '''PEBA''' is a [[thermoplastic elastomer]] (TPE). It is also known under the tradename of VESTAMID E ([EVONIK]), and PEBAX ([[Arkema]]). It is a [[block copolymer]] obtained by [[polycondensation]] of a carboxylic acid [[polyamide]] ([[Nylon 6|PA6]], [[Polyamide 11|PA11]], [[polyamide 12|PA12]]) with an [[alcohol]] termination polyether ([[Polytetramethylene glycol]] PTMG), [[Polyethylene glycol|PEG]]). The general chemical structure is:

:[[Hydrogen|H]][[Oxygen|O]] - ([[Carbon|C]][[Oxygen|O]] - '''[[Polyamide|PA]]''' - [[Carbon|C]][[Oxygen|O]] - [[Oxygen|O]] - '''[[Polyether|PE]]''' - [[Oxygen|O]])_n - [[Hydrogen|H]]

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| Density

| g/cm³

| 1.00 - 1.03

|-

| Water absorption at equilibrium (23 °C, 50% RH)