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Comparative Study of the Mechanical
Properties of Two Groups Ternary Polymer Blends Composites |
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Thermoplastic polymer blends composites
were prepared as strips by double
screw extruder. The prepared composites consists of two groups,
the first group was prepared as
ternary polymer blend according to the
formula [84%LLDPE:15%((100-
X)%PP:X%PVP):1%B.P] with X values (0,4,8,12,16%).The second
group was prepared with replacing the
weight ratios for each of the LLDPE and
PP according to formula
[84%PP:15%((100-X)%LLDPE:X%PVP):1%B.P] with same X values.
Mechanical properties for all prepared
samples (tensile, flexural, compression, impact
toughness, hardness and creep
tests) were studied. The results of this research showed
that the fracture strength, young modulus, compressive
strength, flexural modulus and creep
modulus for the two groups increase
with increasing in PVP percentage and the
highest values were at 8%PVP, while elongation decreases
with addition PVP to the composites.
Moreover flexural strength, shear stress and
hardness values increase
slightly with increasing in PVP percentage for both groups. In
addition to that, the impact strength
and fracture toughness for the second group samples were high
and reach
the maximum values (0.45 kJ/m²) at 4%PVP and (4.58 Pa√m) at
8%PVP respectively, as well as all
results show that the second groups samples have better
mechanical properties. |
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