background image
EVOH32
aPA
Simple Additivity
Co-extruded
Maxwell Equation
O
2
O
2
O
2
(
)
(
)
-
+
+
-
-
+
=
aPA
EVOH
aPA
EVOH
aPA
aPA
EVOH
aPA
EVOH
aPA
EVOH
aPA
EVOH
P
P
V
P
P
P
P
V
P
P
P
P
2
2
2
/
aPA
EVOH
EVOH
aPA
aPA
EVOH
aPA
EVOH
P
V
P
V
P
P
P
+
=
/
aPA
aPA
EVOH
EVOH
aPA
EVOH
V
P
V
P
P
+
=
/
EVOH blends
Case of Permeable Filler: Polymer Blend