Abstract
Melt spinning and pump speed conditions are described for five samples of staple polypropylene PP fibers of different fineness. The influence of fiber fineness or denier on the physical characteristics of staple PP fibers spun at different pump speeds was studied. Optical anisotropy was measured using two-beam interference microscopy. Enthalpy and degree of crystallinity were measured using differential scanning calorimetry technique for studied fibers. The relation between the fiber diameter, crimp ratio, tenacity, and degree of orientation with the fiber denier are given. A selection of microinterferograms of fibers is given for illustration.
Original language | English |
---|---|
Pages (from-to) | 2892-2897 |
Number of pages | 6 |
Journal | Journal of Applied Polymer Science |
Volume | 115 |
Issue number | 5 |
Early online date | 26 Oct 2009 |
DOIs | |
Publication status | Published - 5 Mar 2010 |
Externally published | Yes |