Dissolution and regeneration of hide powder/cellulose composite in Gemini imidazolium ionic liquid.
Gemini imidazolium ionic liquid, 3,3'-[1,2-ethanediylbis (oxy-2,1-ethanediyl)]-bis[1-methyl-imidazolium]-dibromide ([C6O2(mim)2][Br]2), was used for the dissolution and regeneration of white hide powder (from pigskin), and blend white hide powder with cellulose for the easy production of white hide powder/cellulose composite. Dissolution performance of white hide powder in [C6O2(mim)2][Br]2 was studied. The native white hide powder and [C6O2(mim)2][Br]2 regenerated white hide powder were characterized by FT-IR, XRD, DSC-TG and FE-SEM. The results showed that [C6O2(mim)2][Br]2 was a good solvent to white hide powder. The dissolution time was 55 min when the white hide powder was 8% at 120°C. The dissolution time of [C6O2(mim)2][Br]2 for white hide powder was shorter than those of common ionic liquids. The triple helical structure of white hide powder was partly destroyed during [C6O2(mim)2][Br]2 dissolution. The possible mechanism of white hide powder dissolution in [C6O2(mim)2][Br]2 and the regeneration of white hide powder in methanol had been proposed. White hide powder/cellulose composites were successfully dissolved in [C6O2(mim)2][Br]2. The performance of white hide powder/cellulose film was measured by FT-IR and TG. The tensile strength, and elongation at break of white hide powder/cellulose composite films were tested. This work demonstrated that the white hide powder/cellulose composite exhibited some potential in collagen-based tissue engineering.
College of Food Science and Light Industry, Nanjing Tech University, Jiangsu 211816, People's Republic of China. Electronic address: kingwell2004@sina.com.
Guowei
G
Wang
College of Biological and Pharmaceutical Engineering, Nanjing Tech University, Jiangsu 211816, People's Republic of China.
Jiarong
J
Guo
College of Science, Nanjing Tech University, Jiangsu 211816, People's Republic of China.
Linghua
L
Zhuang
College of Food Science and Light Industry, Nanjing Tech University, Jiangsu 211816, People's Republic of China.
Yan
Y
Wang
College of Food Science and Light Industry, Nanjing Tech University, Jiangsu 211816, People's Republic of China.
Bin
B
Xu
D002482:Cellulose / Q000737:chemistry* / Q000648:ultrastructure; D052578:Ionic Liquids / Q000737:chemistry*; D012995:Solubility; D017550:Spectroscopy, Fourier Transform Infrared; D013818:Thermogravimetry; D014961:X-Ray Diffraction
D052578:Ionic Liquids; D002482:Cellulose
Composite materials; Dissolution and regeneration; Gemini imidazolium ionic liquids; White hide powder/cellulose