Never-dried pine sulphate paper grade pulp was treated with specific enzyme mixture from Trichoderma reesei, which increased the alkaline solubility of pulp from 20% to 69% and decreased the DPW from 1124 to 622. The effect of different viscose process additives and zinc oxide on solubility was studied. The best combination for producing a good spinning dope was chosen. The fibres were spun using a wet spinning machine and titre, tenacity and elongation of the fibres were determined. The strongest fibres obtained have tenacity of 1.2 cN/dtex and elongation of 12-13%, which are comparable to the properties of cotton.
|Title of host publication||Recent Advances in Environmentally Compatible Polymers|
|Editors||John F. Kennedy, Glyn O. Phillips, Peter A. Williams|
|Publication status||Published - 2001|
|MoE publication type||A3 Part of a book or another research book|
Nousiainen, P., & Vehviläinen, M. (2001). Celsol – Modification of pine sulphate paper grade pulp with Trichoderma reesei cellulases for fibre spinning. In J. F. Kennedy, G. O. Phillips, & P. A. Williams (Eds.), Recent Advances in Environmentally Compatible Polymers (pp. 371-378). Woodhead Publishing. https://doi.org/10.1533/9781845693749.6.371