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Novel ABS-based binary and ternary polymer blends for material extrusion 3D printing

Published online by Cambridge University Press:  28 July 2014

Carmen R. Rocha ,
Angel R. Torrado Perez ,
David A. Roberson ,
Corey M. Shemelya ,
Eric MacDonald  and
Ryan B. Wicker
Carmen R. Rocha
Affiliation:
W.M. Keck Center for 3D Innovation, The University of Texas at El Paso, El Paso, TX 79968, USA; and Department of Metallurgical and Materials Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
Angel R. Torrado Perez
Affiliation:
W.M. Keck Center for 3D Innovation, The University of Texas at El Paso, El Paso, TX 79968, USA; and Department of Metallurgical and Materials Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
David A. Roberson*
Affiliation:
W.M. Keck Center for 3D Innovation, The University of Texas at El Paso, El Paso, TX 79968, USA; and Department of Metallurgical and Materials Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
Corey M. Shemelya
Affiliation:
W.M. Keck Center for 3D Innovation, The University of Texas at El Paso, El Paso, TX 79968, USA; and Department of Electrical and Computer Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
Eric MacDonald
Affiliation:
W.M. Keck Center for 3D Innovation, The University of Texas at El Paso, El Paso, TX 79968, USA; and Department of Electrical and Computer Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
Ryan B. Wicker
Affiliation:
W.M. Keck Center for 3D Innovation, The University of Texas at El Paso, El Paso, TX 79968, USA; and Department of Mechanical Engineering, The University of Texas at El Paso, El Paso, TX 79968, USA
*
a)Address all correspondence to this author. e-mail: droberson@utep.edu
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Abstract

Material extrusion 3D printing (ME3DP) based on fused deposition modeling (FDM) technology is currently the most commonly used additive manufacturing method. However, ME3DP suffers from a limitation of compatible materials and typically relies upon amorphous thermoplastics, such as acrylonitrile butadiene styrene (ABS). The work presented here demonstrates the development and implementation of binary and ternary polymeric blends for ME3DP. Multiple blends of acrylonitrile butadiene styrene (ABS), styrene ethylene butadiene styrene (SEBS), and ultrahigh molecular weight polyethylene (UHMWPE) were created through a twin screw compounding process to produce novel polymer blends compatible with ME3DP platforms. Mechanical testing and fractography were used to characterize the different physical properties of these new blends. Though the new blends possessed different physical properties, compatibility with ME3DP platforms was maintained. Also, a decrease in surface roughness of a standard test piece was observed for some blends as compared with ABS.

Type
Articles
Information
Journal of Materials Research , Volume 29 , Issue 17: Focus Issue: The Materials Science of Additive Manufacturing , 14 September 2014 , pp. 1859 - 1866
Copyright
Copyright © Materials Research Society 2014 

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References

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