Fabricating sea-island structure and co-continuous structure in PMMA/ASA and PMMA/CPE blends: Correlation between impact property and phase morphology

Mao, Zepeng; Zhang, Xueqiang; Jiang, Guodong; Zhang, Jun

doi:10.1016/j.polymertesting.2018.11.008

Cited by 38 publications

(24 citation statements)

References 40 publications

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“…The G' decreased with PLA concentration in the PLAx/poly(S-co-MMA)y Additionally, the increase or decrease in η* is the result of changes in structure when compared to starting materials. For instance, the composites present an increased η* based on the filler content in the polymer blends [54][55][56][57]. On the other hand, in this study PLA and poly(S-co-MMA) presented differences in their η* ascribable to their molecular weight, resulting in polymer mixtures with behavior between the frontier of the neat polymers.…”

Section: Rheological Propertiesmentioning

confidence: 70%

Filament Extrusion and Its 3D Printing of Poly(Lactic Acid)/Poly(Styrene-co-Methyl Methacrylate) Blends

Solorio-Rodríguez

Vega‐Rios

2019

Applied Sciences

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Herein, we report the melt blending of amorphous poly(lactide acid) (PLA) with poly(styrene-co-methyl methacrylate) (poly(S-co-MMA)). The PLAx/poly(S-co-MMA)y blends were made using amorphous PLA compositions from 50, 75, and 90wt.%, namely PLA50/poly(S-co-MMA)50, PLA75/poly(S-co-MMA)25, and PLA90/poly(S-co-MMA)10, respectively. The PLAx/poly(S-co-MMA)y blend pellets were extruded into filaments through a prototype extruder at 195 °C. The 3D printing was done via fused deposition modeling (FDM) at the same temperature and a 40 mm/s feed rate. Furthermore, thermogravimetric curves of the PLAx/poly(S-co-MMA)y blends showed slight thermal decomposition with less than 0.2% mass loss during filament extrusion and 3D printing. However, the thermal decomposition of the blends is lower when compared to amorphous PLA and poly(S-co-MMA). On the contrary, the PLAx/poly(S-co-MMA)y blend has a higher Young’s modulus (E) than amorphous PLA, and is closer to poly(S-co-MMA), in particular, PLA90/poly(S-co-MMA)10. The PLAx/poly(S-co-MMA)y blends proved improved properties concerning amorphous PLA through mechanical and rheological characterization.

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Section: Rheological Propertiesmentioning

confidence: 70%

Filament Extrusion and Its 3D Printing of Poly(Lactic Acid)/Poly(Styrene-co-Methyl Methacrylate) Blends

Solorio-Rodríguez

Vega‐Rios

2019

Applied Sciences

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“…In particular, the Young's modulus increases up to 15% while the yield strength and the tensile strength increase 16% and 25%, respectively. Previous reports show that ASA can improve the mechanical properties of polymer matrices such as SAN [20], PMMA [25], PVC [26], or PC [27] by blending, using high amounts of ASA. However, in this work, ASA is used as a matrix while PEEK (either CP or P) is acting as a filler (like a ceramic particle, since PEEK does not melt under the conditions used in this study).…”

Section: Mechanical Properties Of the Compositesmentioning

confidence: 99%

Synthesis and Characterisation of ASA-PEEK Composites for Fused Filament Fabrication

et al. 2022

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In this paper, a series of polymer composites made from acrylonitrile-styrene-acrylate (ASA) and poly (ether ether ketone) (PEEK) were manufactured. ASA acts as a polymer matrix while PEEK is loaded in the form of micro-particles that act as a reinforcing filler. The composites were compounded by single screw extrusion and then, different specimens were manufactured either via injection moulding (IM) or fused filament fabrication (FFF). Two different types of PEEK (commercial and reused) in different concentrations (3 and 6 wt.%) were tested and their influence in the mechanical, structural, and thermal properties were studied. It was observed that reused PEEK enhanced the stiffness and tensile strength and thermal stability of the composites both, for injected and printed specimens. This evidences the suitability of these composites as potential candidates as novel materials with enhanced properties following an approach of circular economy.

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“…For normal cocontinuous structure, the sample will shrink after extraction, and the surface will be uneven. 22,23 However, the residue of PP/SBS/CB composites after extraction still maintains the shape and the size of the wafer. This means PP exhibits a continuous phase in PP/SBS/CB composite.…”

Section: Distribution Of Cbmentioning

confidence: 99%

Design of sandwich structure conductive polypropylene/styrene‐butadiene‐styrene triblock copolymer/carbon black composites with inherent morphological tunability

Zichen

Yang

Sun

et al. 2021

J of Applied Polymer Sci

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The insulator-conductor transition of conductive polymer composites (CPCs) can be ascribed to the fabrication of conductive networks, and the morphology of conductive networks plays a significant role in the electrical conductivity. This study presents CPCs with inherent morphology tunability which can be controlled by kinetic methods (i.e., mixing procedures and sequences, and polymer melt viscosity). Polypropylene (PP)/styrene-butadiene-styrene block copolymer (SBS) (50/50, in volume)/10 phr (parts per hundred of the polymer matrix) conductive carbon black (CB) composites prepared by different compounding sequences (PP/CB composites mixed with SBS, SBS/CB composites mixed with PP, and PP/SBS blend mixed with CB) are named as PC 10 S, SC 10 P, and PSC 10. With the difference between the phase morphologies, distribution, and dispersion of CB, the PP/SBS/CB composites realize seven orders of magnitude difference in resistivity. The volume resistivity (ρ v

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Fabricating sea-island structure and co-continuous structure in PMMA/ASA and PMMA/CPE blends: Correlation between impact property and phase morphology

Cited by 38 publications

References 40 publications

Filament Extrusion and Its 3D Printing of Poly(Lactic Acid)/Poly(Styrene-co-Methyl Methacrylate) Blends

Filament Extrusion and Its 3D Printing of Poly(Lactic Acid)/Poly(Styrene-co-Methyl Methacrylate) Blends

Synthesis and Characterisation of ASA-PEEK Composites for Fused Filament Fabrication

Design of sandwich structure conductive polypropylene/styrene‐butadiene‐styrene triblock copolymer/carbon black composites with inherent morphological tunability

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