BMIMCl
2 % cellulose
in BMIMCl
AMIMCl
2 % cellulose
in AMIMCl
EMIM acetate
2 % cellulose in
EMIM acetate
Figure SM 1. Chemical structures of ionic liquids used in this study.
Figure SM2. Representative cellulose solutions and ionic liquids.
1
Figure SM3. 1H NMR spectra of BMIMCl, AMIMCl and EMIMAc at two different
temperatures 40 and 70°C.
2
First cooling with shear
First heating with shear
Second cooling with shear
Figure SM4. - Temperature sweep of 1% MCC in BMIMCl at a strain of 1 % and
an angular frequency of 10 Hz. Sample was loaded immediately after the
preparation.
3
Figure SM5. FTIR spectra of pure ionic liquids with heating and cooling. AMIMCl
(top, normalised to 947 cm-1 peak), BMIMCl (centre, normalised to 1464 cm-1 peak)
and EMIMOAc (bottom, normalised to 1325 cm-1 peak).
4
Figure SM6. 2D FTIR correlation spectra for 2%cellulose in EMIMAc solution.
Synchronous spectra on heating (left) and cooling (right). Spectral range 2800 to
3700 cm-1.
Figure SM7. 2D FTIR synchronous spectrum of pure AMIMCl on heating.
5
Figure SM8. 2D FTIR asynchronous spectrum of pure AMIMCl on heating.
Figure SM9. 2D FTIR synchronous spectrum of pure AMIMCl on cooling.
6
Figure SM10. 2D FTIR synchronous spectrum of pure EMIMAc on heating.
Figure SM11. 2D FTIR asynchronous spectrum of pure EMIMAc on heating.
7
Figure SM12. 2D FTIR synchronous spectrum of pure EMIMAc on cooling.
Figure SM13. 2D FTIR asynchronous spectrum of pure EMIMAc on cooling.
8
Figure SM14. 2D FTIR synchronous spectrum of pure EMIMAc on heating.
Figure SM15. 2D FTIR synchronous spectrum of EMIMAc heating spectra, the
expansion of the region showing correlation between O – H stretch and C = O
stretching.
9
Figure SM16. 2D FTIR synchronous spectrum of EMIMAc on cooling.
Figure SM17. 2D FTIR synchronous spectrum of EMIMAc on cooling, the
expansion of the region showing correlation between O – H stretch and C = O
stretching.
10