Physical shapes
Intelligent materials: Smart polymers
Research and innovation REF: IN69 V1
Physical shapes
Intelligent materials: Smart polymers

Authors : Bernard LE NEINDRE, Patrick CANCOUËT

Publication date: August 10, 2009 | Lire en français

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2. Physical shapes

2.1 Chemically cross-linked hydrogels: irreversible

Hydrogels are made up of a network of three-dimensional (3D) polymer chains, some of which are solvated by water molecules, while others are chemically or physically bonded to one another. .

This structure gives them interesting properties: they swell, but do not dissolve in the aqueous environment. Thus, permanent hydrogels can be formed from a cross-linked network of hydrophilic polymers in water, and swell while retaining their 3D structure...

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