Plastics Extrusion 1999

Plastics Extrusion 1999 - EMA 4666C POLYMER PROCESSING...

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EMA 4666C POLYMER PROCESSING LABORATORY PLASTICS EXTRUSION PURPOSE: To get "hands on" experience on the extrusion process and learn how the extruder works. Also, to learn how processing parameters and additives affect the thermomechanical properties of thermoplastic polymers. MATERIALS: Three grades of Polypropylene in pelletized form: 1. Phillips 66 injection mold controlled rheology polypropylene with antistat and nucleating agents (HLN-200) 2. Phillips 66 general purpose polypropylene (HGZ 120-04) 3. Phillips 66 extrusion grade polypropylene (HNZ-020) EQUIPMENT: 1" screw KL-100 extruder, take-up equipment, stop-watch, balance, safety glasses, and heat resistant gloves PROCEDURE: 1. Heat the barrel and die at recommended temperatures (Table 1). Allow the barrel to "soak" at this temperature for at least ten minutes. Table 1. Suggested temperature profile for the extruder. Sample Die 2 Temp. Die 1 Temp. Zone 3 Temp. Zone 2 Temp. Zone 1 Temp. HLN-200
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This note was uploaded on 07/17/2011 for the course EMA 4666c taught by Professor Brennan during the Spring '08 term at University of Florida.

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Plastics Extrusion 1999 - EMA 4666C POLYMER PROCESSING...

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