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Coordinating ionic liquids - efficient solvents for dissolution and processing of biomass

The ability of ILs to directly dissolve biological macromolecules, such as cellulose, lignin, hemicellulose, chitin, silk fibroin, wool keratin, etc., has generated intense worldwide academic and industrial interest in a relatively short period of time. Selective to complete dissolution of these biological macromolecules using ILs can now be carried out under unmatched mild conditions, without evaporation of solvent molecules, and the ILs can be easily recycled and reused. Moreover, in general there is no significant decrease in the molecular mass of the regenerated macromolecules and chemical modifications of the dissolved macromolecules can easily be conducted with ILs suitable to the reaction conditions. All these advantages make the dissolution of macromolecules with ILs a desirable and promising process (H.Wang et al. 2014).

Advantages of ionic liquids as solvents
  • Greener alternatives to volatile, environmentally undesirable organic solvents
  • Uncomplicated and safe handling compared to conventional solvents
  • Dissolve a wide range of biopolymers
  • Excellent chemical & thermal stability & non-flammability
  • Can easily be recycled and reused
  • Selective to complete dissolution of biological macromolecules under mild conditions
  • Chemical modification of macromolecules can easily be conducted in suitable IL solution
The first application of ILs in processing biomass was the dissolution of pure cellulose using imidazolium ILs. Since then, studies on the application of ILs in biomass chemistry have made great progress and now many ILs have been found to be able to dissolve biopolymers. A given type of IL might dissolve quite different biopolymers (H.Wang et al.2014)
SPECIAL OFFER 
proionic's "BIOMASS DISSOLUTION KIT" 550 €* for 6 x 100 g
proionic now offers a KIT of six diverse ionic liquids with varied dissolution power and selectivity to biopolymers (see the table below). It also contains second-generation biobased ILs such as Cholinium-L-lysinat or Cholinium acetate, standing out due their high-biodegradability, low toxicity and high enzyme stabilization potential.
 
Cholinium-L-lysinat (Chol-Lys) (biobased)
Cholinium acetate (Chol-OAc) (biobased)

1-Ethyl-3-methylimidazolium acetate (EMIM-OAc)
1-Butyl-3-methylimidazolium acetate (BMIM-OAc)
1-Ethyl-3-methylimidazolium propionate (EMIM-OPr)
1-Ethyl-3-methylimidazolium diethylphosphate (EMIM-DEP)

 
If you are interested in this special offer or bigger quantities of these candidates, please contact Bernhard Ludwig, Head of Sales at bernhard.ludwig@proionic.com
Tm Melting point; α, β, π* Kamlet-Taft solvent parameters (Jessop et al., Green Chem., 2012, 14, 1245). All data shown for room temperature, if not stated otherwise. Literature: [1] Green Chem., 2014, 16, 2546. [2] Russ. J. Gen. Chem. 79, 125–128 (2009. [3] Phys. Chem. Chem. Phys., 2013, 15, 20480. [4] Russ. J. Gen. Chem. 80, 501–506 (2010). [5] ChemSusChem (2013), 6(11), 2161-2169. [6] Chem. Commun., 2009, 6297-6299. [7] Journal of Physical Chemistry B (2016), 120(32), 7906-7919.

Following the successful introduction of proionic´s "electrolyte summer special", where we offered IONIC LIQUID ELECTROLYTES in research quantities, proionic has decided to provide the entire electrolyte portfolio in quantities of 250 g as part of its webshop programme. 

proionic is thereby targeting the worldwide trend towards safer & more environmentally friendly electrolytes with increased performance. The unique combination of physicochemical properties make ionic liquids ideal candidates for key energy storage applications such as batteries & supercapacitors.

IL properties - competitive electrolytes through 
  • high electrochemical stability
  • wide operating voltage window (4.5-6 V)
  • high conductivity
  • negligibile vapor pressure & flammability
  • high thermal stability (up to 300-400°C)
  • tunable solvation properties
  • broad liquid range 
  • compatibility with various electrode materials
  • environmental compatibility
  • high tunability of properties by structural variations and usage of IL mixtures
Cost-effective high-quality electrolytes for your research application

The following IL based electrolytes are part of proionic's electrolyte portfolio available in quantities of 250 g. Please visit our webshop to view product specifications and prices. 
  • EMIM TFSI
  • EMIM FSI
  • EMIM BF4
  • BMIM BF4
  • BMIM TFSI
  • BMPyrr TFSI
  • BMPyrr FSI
Please contact us, if you cannot find your desired IL. We offer custom synthesis on request.
proionic GmbH
Parkring 18, 8074 Raaba-Grambach, Austria
T: +43 (316) 4009-4200; M: office@proionic.com
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