Product information
Product information on ionic liquids

Cellulose-dissolving ionic liquid

Our relevant product
ILA48-32

We have recently developed a new ionic liquid "ILA48-32" for dissolution of cellulose, which is suited for developing regenerated cellulose materials.

Structure

Characteristics

  • It is a liquid at room temperature and easy to handle.
  • Cellulose can be dissolved in ILA48-32 in high concentrations, up to 25 wt%.
  • The degree of polymerization (DP) loss of regenerated cellulose is lower than chloride-containing quaternary ammonium salt.

Product information

Product name Status of registration of chemical substances in various countries Poisonous and Deleterious Substances Control Law Fire Services Act
ILA48-32 Registered (Japan) Not applicable Category IV
Class III petroleum
Water-soluble liquid

Physical properties

Appearance Melting point(℃) Decomposition temperature(℃)* Viscosity(mPa•s)
Pale yellow to brown clear liquid ≤-30℃ 170 258 (25℃)
26 (60℃)

*Decomposition temperature: 5% weight loss(TG-DTA)

Technical information

The cellulose solubility and polymerization degree of regenerated cellulose

  Cellulose solubility (wt%)* Degree of polymerization after regeneration**
ILA48-32 25 245
Quaternary ammonium salt 25 20

*The mixture of the pulp and the ionic liquid was heated and stirred for 1 hr.
**The pulp with a degree of polymerization of 363 was used.
The cellulose was regenerated by casting in methanol bath at room temperature.

Examples of use

  • Cellulose regeneration process
  • Antistatic agent for aqueous coating
  • Functional polymer composite materials

The described technical information should be considered as representative by Koei Chemical Company. Performance and other specifications are not guaranteed values.