Physical aging through water absorption
Water action on plastics
Article REF: AM3165 V1
Physical aging through water absorption
Water action on plastics

Author : Jacques VERDU

Publication date: January 10, 2000, Review date: September 1, 2016 | Lire en français

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1. Physical aging through water absorption

1.1 Hydrophilicity of a polymer in relation to its structure

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1.1.1 Experimental characterization of hydrophilicity

The hydrophilicity of a polymer can be gauged from the water contentw m (generally expressed in percent by mass), which it can reach at equilibrium in an isothermal medium with a constant hygrometric rate close to 100% RH (relative hygrometry).

  • Note that the time after which equilibrium is reached is of the...

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