After stretching the M/C paper with SR = 1.8, well-aligned
bundles of MWCNTs covalently grafted to cellulose chains were
observed. As increasing SR from 1.0 to 1.8, its Young’s modulus
was improved by 200% (23.4 GPa), which is superior to that of
regenerated cellulose (11.5 GPa at SR = 1.8).