And then the mixture
and ramie yarn were blended in a co-rotating twin-screw extruder
(20 mm, L/D = 40; Nanjing Jieya, China) at operating temperatures
from 155 to 170 C. The screw speed was set at 80 rpm and feed
rate was 30 g/min. The extrudate was cooled in a water bath and
cut into pellets