Acetone (good solvent)

220 g

Water (poor solvent)

250 g

PCL

2 g

Pigment 5 wt% (CB slurry)

4 g (3.5 ml H2O)

Quaternary ammonium (QA)

0.02 g

Wax

0.1 g

Surfactant (Tween20, 65, 80)

CE = 2.5 - 5.5 wt%

Feeding velocity of water

VP = 2 - 6.5 [ml/min]

Weight ratio of HPCL to RPCL

R(WH/WL) = 0% - 100%

Homogenization with ultrasonic

3 min

Homogenization with rotor stator

3 min, 10,000 rpm

Temperature of drying-in-liquid process

T = 30˚C

Time of drying-in-liquid operation

3 h

Revolution velocity in drying-in-liquid

250 rpm