Dispersed Oil Phase (O)

Formation of (W/O)/W Emulsion

St

33.0 g

Revolution Velocity

Nr2 = 250 rpm

TMPTA

CT = 0 ~ 2.5 g

Temperature

T2 = 25˚C

POEM

3.0 g

Stirring Time

t2 = 10 min

Wax

0 ~ 5.0 g

TDI

0.12 g

V-65

1.0 g

Inner Water Phase (W)

Suspension Polymerization

Water

10 g

Revolution Velocity

Nr3 = 250 rpm

PEG

0.08 g

Temperature

T3 = 60˚C

Agarose

0.1 g

Stirring Time

t3 = 7 h

Silicagel

0.1 g

Continuous Phase (W)

Interfacial Polymerization

Water

280 g

Revolution Velocity

Nr4 = 250 rpm

PVA

0.33 wt% - water

Temperature

T4 = 60˚C

HPMC

0.17 wt% - water

Stirring Time

t4 = 3 h

Formation of (W/O) Emulsion

Revolution Velocity

Nr1 = 12000 rpm

Expansion

Temperature

T1 = 25˚C

Temperature

T5 = 110 ~ 150˚C

Stirring Time

t1 = 10 min

Time

T5 = 30 min