Compatibilization of PA6/ABS blend by SEBS-g-MA: morphological, mechanical, thermal, and rheological properties
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ORIGINAL ARTICLE
Compatibilization of PA6/ABS blend by SEBS-g-MA: morphological, mechanical, thermal, and rheological properties H. Essabir 1,2 & F. Z. El Mechtali 3 & S. Nekhlaoui 3 & M. Raji 1 & M. O. Bensalah 3 & D. Rodrigue 4 & R. Bouhfid 1 & A. Qaiss 1 Received: 14 December 2019 / Accepted: 5 August 2020 # Springer-Verlag London Ltd., part of Springer Nature 2020
Abstract Blends polyamide 6 (PA6) and acrylonitrile-butadiene-styrene (ABS) were compatibilized with a styrene–(ethylene–butene)– styrene triblock copolymer grafted with maleic anhydride (SEBS-g-MA). In particular, the effects of ABS (0–100 wt%) and compatibilizer (0, 8, and 16 wt%) content were studied. The blends were first prepared by twin-screw extrusion, and different specimens were prepared by injection molding. From the samples produced, the effects of blend composition on morphological, mechanical, rheological, and thermal properties are reported. The structural analysis confirmed that the original blend is immiscible but showed some compatibilization when in the presence of SEBS-g-MA. Incorporation of the compatibilizer and ABS showed negligible effect on the melting behavior of PA6. The compatibilized blends showed higher tensile strength compared with uncompatibilized ones. However, Young’s modulus decreased with increasing compatibilizer content. The mechanical results were confirmed by rheological measurements in terms of interaction between each components in the blend. Keywords Polyamide 6 . Acrylonitrile–butadiene–styrene . Blend; Compatibilization . Morphology
1 Introduction Still today, polymer blending is an important and active area in the field of material processing specially to improve the general properties of neat polymers [1, 2]. Blending of polymers gained credibility as a simple approach to create novel materials without the cost associated with synthesis of new molecules [3]. Polymer blends were mainly developed to meet technical requirements that neat resins were unable to achieve * H. Essabir [email protected] * A. Qaiss [email protected] 1
Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR), Institute of Nanomaterials and Nanotechnology (NANOTECH), Composites and Nanocomposites Center, Rabat, Morocco
2
Mechanic, Materials and composites (MMC), Laboratory of Energy Engineering, Materials and Systems, National School of Applied Sciences of Agadir, Ibn Zohr University, Agadir, Morocco
3
Faculty of Science, Laboratory of Mechanic and Materials (LMM), Mohammed V-Agdal University, Rabat, Morocco
4
Department of chemical engineering and CERMA, Université Laval, Quebec G1V0A6, Canada
[4]. Also, blending existing polymers is less expensive than developing a new polymer [5]. However, most polymer blends are immiscible systems and this has substantial influence on their properties and performances since they are mainly determined by their morphology, i.e., the distribution of each components in terms of size and form [6, 7]. Phase separation in the blends, due to immiscibility, leads to low mec
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