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Development of Phase Morphology of a Polyethylene-Polyamide 6-Blend in a Modular Co-rotating Twin Screw Extruder
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S. Lim
Published/Copyright:
May 27, 2013
Abstract
A basic study of blending two different polymers (polyethylene and polyamide 6) in a modular co-rotating twin screw extruder is presented. The development of phase morphology was observed along the axis of the modular screw. Five different modular screw designs are considered. We first look at a machine containing all right-handed screw elements. We then consider a machine with all right-handed elements plus a single left-handed screw element. The study then turns to machines with combined screw and kneading disc elements. The kneading discs play a key role in both melting polymers and in enhancing dispersive mixing. Increasing the number of kneading disc blocks gives enhanced dispersion.
Received: 1992-3-5
Accepted: 1992-5-25
Published Online: 2013-05-27
Published in Print: 1993-05-01
© 1993, Carl Hanser Verlag, Munich
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Articles in the same Issue
- Contents
- Contents
- Internal Mixers
- Estimation of Quality of Mixing
- Screw Extrusion and Continuous Mixing
- An In-line Rheometer for Molten Plastics
- Melting of Plastics in Kneading Blocks
- Development of Phase Morphology of a Polyethylene-Polyamide 6-Blend in a Modular Co-rotating Twin Screw Extruder
- Microstructure Formation in Extruded and Drawn Polyblends of PC with a Thermotropic LCP
- Die Extrusion
- A Slip Model for Linear Polymers Based on Adhesive Failure
- Film
- Effect of Biaxial Stretching on Mechanical Properties and Surface Roughness of PMMA Films
- Molding
- Dynamics and Control of Surface and Mold Temperatures in Injection Molding
- A Study on Flexural Properties of Sandwich Injection Moldings
- Detailed Investigations of Structural Layering Phenomena in Injection Molded Thermotropic LCP
- Computer Controlled Rotational Molding of Liquid Silicone Polymer
Articles in the same Issue
- Contents
- Contents
- Internal Mixers
- Estimation of Quality of Mixing
- Screw Extrusion and Continuous Mixing
- An In-line Rheometer for Molten Plastics
- Melting of Plastics in Kneading Blocks
- Development of Phase Morphology of a Polyethylene-Polyamide 6-Blend in a Modular Co-rotating Twin Screw Extruder
- Microstructure Formation in Extruded and Drawn Polyblends of PC with a Thermotropic LCP
- Die Extrusion
- A Slip Model for Linear Polymers Based on Adhesive Failure
- Film
- Effect of Biaxial Stretching on Mechanical Properties and Surface Roughness of PMMA Films
- Molding
- Dynamics and Control of Surface and Mold Temperatures in Injection Molding
- A Study on Flexural Properties of Sandwich Injection Moldings
- Detailed Investigations of Structural Layering Phenomena in Injection Molded Thermotropic LCP
- Computer Controlled Rotational Molding of Liquid Silicone Polymer
