RUBBER CHEMISTRY

March 25, 2015

Rubbers - elastomers - are polymeric materials characterized by their ability of reversible deformation due to external deforming forces. Their deformation rate depends on the structure and molar mass of the deformed rubber and on external conditions of the deformation. This characteristics, referred to as elastic and/or hyperelastic deformation, is entropic in nature and results from the ability of rubber macromolecules to form a more organized state under influence of deforming forces without deformation of chemical bonds between atoms of the polymer chain or without deformation of their valence angles. Ideally, the macromolecules can restore their initial position once the deforming forces are removed.

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