Ionic liquid for cellulose processing and methods of use and recycling thereof
AssigneeChung Hwa Pulp Corporation
InventorsHUI-WEN HSU, CHEN-HSIU HUNG, CHIA-HAO LIU, TAI-YUAN CHEN
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Abstract
An ionic liquid includes a cation and an anion, in which the cation has a structure represented by Formula (1) and the anion has a structure represented by Formula (2) as follows: where R1 and R2 are defined as follows: (i) R1 is an isopropyl group and R2 is a methyl group or an ethyl group; or (ii) R1 is a propyl group and R2 is an ethyl group. A method for producing the ionic liquid and a method for spinning cellulose and recycling the ionic liquid are also provided. Furthermore, a cellulose-ionic liquid solution and a method for dissolving cellulose are provided as well.
Claims13
An ionic liquid, comprising a cation and an anion,
- wherein the cation has a structure represented by Formula (1):
- and wherein the anion has a structure represented by Formula (2):
- wherein
- (i) R1 is an isopropyl group and R2 is a methyl group or an ethyl group;
- or
- (ii) R1 is a propyl group and R2 is an ethyl group.
Dependencies are inferred from the claim text.