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> Tuftec™ H Compatibilization of HIPS and PP |
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December
12, 2001
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Tuftec™
H Compatibilization of HIPS and PP
The Tuftec™ H series
provides extremely high compatibilization of differing
polymers, as indicated by these TEM micrographs and test
results for injection molding and sheet extruding of formulations
with Tuftec™ H1041
and Tuftec™ H1043.
TEM micrographs – Effect of
Tuftec™ addition on HIPS/PP morphology
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HIPS/PP (70/30)
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Matrix: HIPS (dark areas); Dispersed particles:
PP
Samples: Ruthenium-stained ultrathin sections of
extruded sheets (0.7 mm). |
Injection molding test
results
| Property |
Units |
Test method |
Test conditions |
HIPS |
PP |
HIPS/PP
70/30 |
HIPS/PP/H1041
70/30/6 |
HIPS/PP/H1043
70/30/6 |
| Specific
gravity |
-- |
ASTM D
297
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--
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1.05
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0.90
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0.99
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0.99
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0.99
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| MFR |
g/10
min |
ISO 1133
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200°C,
5 kg load
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6.6
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8.5*
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25
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13
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13
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| Tensile
strength |
MPa |
ASTM D 638 |
5 mm/min
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30.4
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26.5
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26.5
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23.5
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28.4
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| Elongation |
% |
5 mm/min
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19
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>200
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3
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16
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170
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| Flexural
strength |
MPa |
ASTM D
790
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3 mm/min
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52
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31
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46
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40
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46
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| Flexural
modulus |
MPa |
3 mm/min
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2,260
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1,080
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1,860
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1,570
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1,770
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| Notched
Izod impact strength |
kgcm/cm |
ASTM D
256
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--
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7.5
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12.0
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4.4
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11.2
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7.2
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| Heat
distortion temp. |
°C |
ASTM D
648
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4.6 kg
load
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87
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105
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91
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89
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89
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| Vicat
softening point |
°C |
ASTM
D 1525
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1 kg load
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106
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150
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110
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108
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108
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Sheet extrusion test
results (thickness, 0.7 mm)
| Property |
Units |
Test
conditions |
HIPS |
HIPS/PP
70/30 |
HIPS/PP/H1041
70/30/6 |
HIPS/PP/H1043
70/30/6 |
| Dupont
impact strength |
J
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Drop weight
136.5 g
5 mm dia.
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12
Ductile-brittle fracture
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0.5
Brittle fracture
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11
Brittle fracture
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23
Ductile fracture
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| Surface
gloss |
%
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Gloss 60-degree
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30
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41
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51
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68
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| Oil
resistance |
--
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Synthetic
coconut oil
100°C, 10 min
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Deformation
Partially dissolved
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Good
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Good
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Good
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- Please note that all data and values
are given as typical results obtained with the indicated
test methods,
and not as any product specification or warranty of any
nature.
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