Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Birgit Kosan"'
Autor:
Birgit Kosan, Matthias Gerhardt, Vincent Pascal Pelenc, Katrin Römhild, Stefan Kühnel, Frank Meister
Publikováno v:
Cellulose. 27:6577-6590
The potential of enzymatic modification procedures was studied to adjust pulp properties for Lyocell process applications. Cellulases with well-defined activity compositions were identified and tested for pulp treatment. The changes of the pulp prope
Publikováno v:
Chemie Ingenieur Technik. 89:1661-1669
Publikováno v:
Procedia Engineering. 200:260-268
Because of world-wide persistent demand for cellulose man-made fibers suitable in textile processing and application and the predicted stagnation of cotton production, there is a strong need for innovative approaches to safeguard the future availabil
Autor:
Frank Meister, Birgit Kosan
Publikováno v:
Nordic Pulp & Paper Research Journal. 30:112-120
Publikováno v:
Macromolecular Symposia. 294:75-89
The interactions of ionic liquids (IL) with solvents usually used in liquid-state nuclear magnetic resonance (NMR) spectroscopy are studied. The 1 H- and 13 C-NMR chemical shift values of 1-n-butyl-3-methyl (BM)- and 1-ethyl-3-methyl (EM)-substituted
Publikováno v:
Macromolecular Materials and Engineering. 295:676-681
The acetylation of cellulose in ionic liquids (ILs) and the subsequent dry/wet spinning of these processing solutions were investigated. The homogeneous acetylation in ILs was carried ou using different molar ratios of acetic anhydride to the anhydro
Publikováno v:
Cellulose. 17:495-506
Properties of cellulose solutions in different direct dissolving liquids such as N-methylmorpholine-N-oxide and ionic liquids with varied cations and anions were investigated. The effects of different cations and anions of the used ionic liquids on t
Publikováno v:
Macromolecular Symposia. 280:112-122
Functional cellulose shapes offer valuable properties for innovative application potentials in textile and medical products. Thereby excellent textile physiological properties of cellulose are allowed to be connected with novel application characteri
Publikováno v:
Cellulose. 15:59-66
The dissolution of cellulose in different ionic liquids will be described as a very recent subject for a direct dissolving process, which was used to prepare regenerated cellulose fibres. The preparation of the dopes was arranged starting from slurry
Publikováno v:
Cellulose. 13:105-113
The application of starch in tailored materials is limited because of the high hydrophilicity of the polysaccharide. Thus, simple and efficient paths for the hydrophobic modification of native, cationic or thermoplastic starches by means of a radical