SAMPE Journal - September/October 2016 - 55

Feature Article

Figure 10. Process set-up at IKV (left) and produced hybrid profile (right).

Proof of Concept
The process has been performed using the materials
and process parameters as shown in Figure 10 (left
side). The process has been put into operation using
a low density Polyethylene (type Lupolen 2420 K
by LyondellBasell Industries Holdings, Rotterdam,
Netherlands) as it has a low processing temperature (in
this case: 150°C to 190°C) and a low viscosity (Melt flow
rate at 190°C and 2.16 kg: 4.0 g/19min) and is thus ideal
to start the process. As an exemplary well-established
technical thermoplastic, a Polyamide type Ultramid
B27E by BASF SE, Ludwigshafen, Germany, has been
used. On all trials, a standard pultrusion glass fiber and
PU system have been used.
On the right side of Figure 10, an exemplary hybrid
profile with PE top layer (opaque) and composite core

is shown. The ribs on the profile have a darker color as
the material color has been changed in the process. It is
visible that the combined process yields a fully functional
hybrid profile. The dimensions of the composite core
precisely fit the die and have not been deformed by
the extrusion pressure. The extruded top layer shows a
good quality in terms of dimensions and surface quality.
However, a slight off-center position of the composite
core and some waviness in the thermoplastic surface
can be stated.
In order to prove the expected advantages of hybrid
profiles, impact tests have been performed on the
profiles. On an impact test stand type CEAST 9350 by
Instron GmbH, Darmstadt, Germany, an impact of 70 J
has been performed on uncoated reference profiles, on
profiles coated with a PE top layer and profiles coated

Figure 11. Change of impact behavior due to thermoplastic coating.
SAMPE Journal, Volume 52, No. 5, September/October 2016

55



Table of Contents for the Digital Edition of SAMPE Journal - September/October 2016

Contents
SAMPE Journal - September/October 2016 - Cover1
SAMPE Journal - September/October 2016 - Cover2
SAMPE Journal - September/October 2016 - Contents
SAMPE Journal - September/October 2016 - 2
SAMPE Journal - September/October 2016 - 3
SAMPE Journal - September/October 2016 - 4
SAMPE Journal - September/October 2016 - 5
SAMPE Journal - September/October 2016 - 6
SAMPE Journal - September/October 2016 - 7
SAMPE Journal - September/October 2016 - 8
SAMPE Journal - September/October 2016 - 9
SAMPE Journal - September/October 2016 - 10
SAMPE Journal - September/October 2016 - 11
SAMPE Journal - September/October 2016 - 12
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SAMPE Journal - September/October 2016 - 14
SAMPE Journal - September/October 2016 - 15
SAMPE Journal - September/October 2016 - 16
SAMPE Journal - September/October 2016 - 17
SAMPE Journal - September/October 2016 - 18
SAMPE Journal - September/October 2016 - 19
SAMPE Journal - September/October 2016 - 20
SAMPE Journal - September/October 2016 - 21
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SAMPE Journal - September/October 2016 - 25
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SAMPE Journal - September/October 2016 - 28
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SAMPE Journal - September/October 2016 - 98
SAMPE Journal - September/October 2016 - 99
SAMPE Journal - September/October 2016 - 100
SAMPE Journal - September/October 2016 - 101
SAMPE Journal - September/October 2016 - 102
SAMPE Journal - September/October 2016 - 103
SAMPE Journal - September/October 2016 - 104
SAMPE Journal - September/October 2016 - 105
SAMPE Journal - September/October 2016 - 106
SAMPE Journal - September/October 2016 - 107
SAMPE Journal - September/October 2016 - 108
SAMPE Journal - September/October 2016 - 109
SAMPE Journal - September/October 2016 - 110
SAMPE Journal - September/October 2016 - 111
SAMPE Journal - September/October 2016 - 112
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SAMPE Journal - September/October 2016 - 116
SAMPE Journal - September/October 2016 - 117
SAMPE Journal - September/October 2016 - 118
SAMPE Journal - September/October 2016 - 119
SAMPE Journal - September/October 2016 - 120
SAMPE Journal - September/October 2016 - Cover3
SAMPE Journal - September/October 2016 - Cover4
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