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DescreeptionStructures of macromolecules.png
English: Schematic views:
left, linear chains of macromolecules (case of a thermoplastic polymer);
right, a three-dimensional macromolecule (case of a thermosetting polymer). The tri- and tetravalent cross-linking nodes are represented in black. Such a network is insoluble and does not melt.
Dimension of a circle (monomer unit): approximately one ångström (Å).
Français : Représentation schématique :
à gauche, des chaînes de macromolécules linéaires (non réticulées) (cas d'un polymère thermoplastique) ;
à droite, d'une macromolécule tridimensionnelle (cas d'un polymère thermodurcissable). Les nœuds (tri- et tétravalents) de réticulation sont représentés en noir. Un tel réseau est insoluble et infusible.
Dimension d'un cercle (unité monomère) : environ un ångström (Å).
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{{Information |Description={{en|1=Schematic views : * left, linear chains of macromolecules (case of a thermoplastic polymer) ; * right, a three-dimensional macromolecule (case of a thermosetting polymer