Polymerisation Processes Polymerisation Processes Polyethylene ...
Polymerisation Processes Polymerisation Processes Polyethylene ...
Polymerisation Processes Polymerisation Processes Polyethylene ...
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Styrenic Polymers<br />
α-MeS<br />
P[S/a-MS]<br />
P[a-MS/AN]<br />
-heat resistant<br />
S/Bu (block-)<br />
copolymers<br />
- tough<br />
- translucent<br />
- low weather<br />
resistance<br />
Bu<br />
PS<br />
- transparent<br />
-stiff<br />
-brittle<br />
MMA<br />
Polybutadienerubber<br />
HIPS<br />
- tough<br />
- opaque<br />
- low weather<br />
resistance<br />
MBS, MABS<br />
- tough<br />
- transparent<br />
Acrylnitril<br />
Polybutadienrubber<br />
ABS<br />
- tough<br />
- opaque<br />
- low weather<br />
resistance<br />
MMA<br />
PSAN<br />
-environmental<br />
stress resistant<br />
Polyacrylaterubber<br />
ASA<br />
- tough<br />
- opaque<br />
- weather<br />
resistance<br />
Dr. Klaus-Dieter Hungenberg, BASF AG Ludwigshafen Vorlesung <strong>Polymerisation</strong>stechnik, Universität Paderborn, WS 07/08 Polymer processes<br />
Styrenic Polymers – processes over the years<br />
IG Farben, 1936 Union Carbide, 1943 Dow, 1952 BASF 1965<br />
Dr. Klaus-Dieter Hungenberg, BASF AG Ludwigshafen Vorlesung <strong>Polymerisation</strong>stechnik, Universität Paderborn, WS 07/08 Polymer processes<br />
41<br />
43<br />
Styrenic Polymers – thermal initiation<br />
*<br />
.<br />
*<br />
+<br />
*<br />
*<br />
* *<br />
H<br />
+<br />
H<br />
*<br />
CH3 * CH<br />
Pn*<br />
Dr. Klaus-Dieter Hungenberg, BASF AG Ludwigshafen Vorlesung <strong>Polymerisation</strong>stechnik, Universität Paderborn, WS 07/08 Polymer processes<br />
Styrenic Polymers –process and mwd<br />
* *<br />
dm<br />
10<br />
dP<br />
-2<br />
Dr. Klaus-Dieter Hungenberg, BASF AG Ludwigshafen Vorlesung <strong>Polymerisation</strong>stechnik, Universität Paderborn, WS 07/08 Polymer processes<br />
+ Pn<br />
Styrene / EB<br />
50-80% conv.<br />
130-170°C<br />
2000 4000 6000 8000<br />
42<br />
44
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