Abstract
Multifilament yarns of polyoxymethylene (POM) and poly(lactic acid) (PLA) blends were prepared using a melt-spinning method. The ratios of the POM/PLA fibers studied were 10/90, 30/70, 50/50, 70/30, and 10/90 by weight compared with that of the pure polymers. The extrusion of the dry blend polymers was carried out using a single-screw extruder at 180–210℃ with a winding speed of 800 m/min. The thermal and morphological analysis of the multifilament yarn confirmed the phase separation of the two polymers. However, the mechanical properties of the blends showed excellent elongation at break, which confirmed the good distribution of PLA in the POM matrix. POM/PLA with weight ratios of 70/30 and 90/10 showed high tenacity. The elongation of the POM/PLA blends shows excellent results, which is unusual for polymer blends with phase separation.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
