A vulcanised rubber has a cross-link density

PHYSICS · Subjective · Fermi University Physics · Condensed Matter, Materials & Soft Matter · Soft condensed matter · Soft condensed matter

Condensed Matter Physics, Ch Soft matter: when entropy, not bonding, sets the structure

Problem

n_x=2.5\times10^{26}\,\mathrm{m^{-3}}

. Predict its shear modulus at

300\,\mathrm{K}

, using

k_BT=4.14\times10^{-21}\,\mathrm{J}