affine chain behaviour

https://doi.org/10.1351/goldbook.AT07591
Behaviour of a polymer network in which the junction points deform uniformly with the macroscopic deformation of the network.
Note:
In reality, affine chain behaviour can apply only at small deformations.
Source:
PAC, 2007, 79, 1801. 'Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)' on page 1818 (https://doi.org/10.1351/pac200779101801)