10 Development of New Cellulosic Fibers and Composites …
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Table 10.1
Structure of imidazolium-based ionic liquids and the extent of cellulose solubility
IL
Chemical structure
Type of cellulose (DP)
Solubility (wt%)
Conditions
References
[C2C1im][Ace]
N
N
O
O
Avicel
16
90 °C
[53]
Avicel (225)
15
110 °C
[62]
Eucalyptus pulp (569)
13.5
90–130 °C
[48]
Pulp linters
16
–
[63]
[C4C1im][Ace]
N
N
O
O
Avicel
12
100 °C
[50]
Eucalyptus pulp (569)
13.2
90–130 °C
[48]
MCC (229)
15.5
70 °C
[45]
[C8C1im][Ace]
N
N
O
O
7
Avicel (225)
<1
110 °C
[62]
[H(OC2)2-C1im][Ace]
N
N
O
O
O
H
2
Avicel (225)
5
110 °C
[62]
[H(OC2)3-C1im][Ace]
N
N
O
O
O
H
3
Avicel (225)
2
110 °C
[62]
[C1(OC2)2-C2im][Ace]
N
N
O
O
O
2
Avicel (225)
12
110 °C
[62]
(continued)