Mica filled polyetherketoneketones for material extrusion 3D printing

Kennedy, Zachary C.; Christ, Josef F.; Fenn, Michelle; Zhong, Lirong; Chouyyok, Wilaiwan; Arnold, Anne M.; Denny, Adam; Albrecht, Alan; Silverstein, Joshua; Erikson, Rebecca L.; Chun, Jaehun

doi:10.1016/j.addma.2021.102492

Cited by 8 publications

(10 citation statements)

References 36 publications

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“…Compared with the CNT/PEKK composite without the addition of CF, a crystallization peak, i.e., a cold crystallization peak, appeared during the warming process of CNT/CCF/PEKK. This is due to the large cooling rate during the preparation of the composites, which inhibits the chain reorganization that occurs in the melt during cooling and hinders the formation of the crystalline structure with the presence of a large amount of the amorphous phase [ 25 ]. When the material is heated again, the amorphous phase gains energy to rearrange, causing cold crystallization to occur when the material is heated.…”

Section: Resultsmentioning

confidence: 99%

Effect of Carbon Nanotubes on the Mechanical, Crystallization, Electrical and Thermal Conductivity Properties of CNT/CCF/PEKK Composites

et al. 2022

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Carbon nanotube/continuous carbon fiber–reinforced poly(etherketoneketone) (CNT/CCF/PEKK) prepreg tapes were prepared by the wet powder impregnation method, and then the prepreg tapes were molded into laminates. The effects of carbon nanotubes on the mechanical properties, conductivity, thermal conductivity and crystallinity of the composites were studied by universal testing machine, thermal conductivity and resistivity tester, dynamic mechanical analyzer (DMA) and differential scanning calorimeter (DSC). The results show that when the content of carbon nanotubes is 0.5 wt% (relative to the mass of PEKK resin, the same below), the flexural strength and interlaminar shear strength of the laminates reach the maximum, which are increased by 15.99% and 18.16%, respectively, compared with the laminates without carbon nanotubes. The results of conductivity and thermal conductivity show that the higher the content of carbon nanotubes, the better the conductivity and thermal conductivity of the material. DSC results show that the addition of CNT promoted the crystallization of PEKK in the material and decreased the cold crystallization of PEKK. DMA results show that the deformation resistance of the material can be improved by adding an appropriate amount of CNT and the bonding between CF and PEKK can be enhanced, while excessive CNT destroys this phenomenon.

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Section: Resultsmentioning

confidence: 99%

Effect of Carbon Nanotubes on the Mechanical, Crystallization, Electrical and Thermal Conductivity Properties of CNT/CCF/PEKK Composites

et al. 2022

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“…However, due to limited solubility of PEKK in solvents conventionally used for functionalization chemistry, it is not surprising that little attention has been given to the post-polymerization modification of PEKK and subsequent analysis of the effect of functionality on thermo-physical properties. Functionalization chemistries that have been explored are generally limited to reactions that facilitate dissolution by chemically modifying the polymer backbone (e.g., sulfonation for membrane applications, 8-10 biocompatibility 11 and improved mechanical properties 12 as well as reversible dithiolation 13 to improve solubility for fiber fabrication). Clearly, new solvents for PEKK must be explored to realize the potential advantages of functionalized PEKK.…”

Section: Introductionmentioning

confidence: 99%

“…Functionalization chemistries that have been explored are generally limited to reactions that facilitate dissolution by chemically modifying the polymer backbone ( e.g. , sulfonation for membrane applications, 8–10 biocompatibility 11 and improved mechanical properties 12 as well as reversible dithiolation 13 to improve solubility for fiber fabrication). Clearly, new solvents for PEKK must be explored to realize the potential advantages of functionalized PEKK.…”

Section: Introductionmentioning

confidence: 99%

Blocky bromination of poly(ether ketone ketone) as a means to preserve crystallizability and rapid crystallization kinetics

Pomatto,

Crater,

Godshall

et al. 2024

Polym. Chem.

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“…On the other hand, there is a limited feedstock of thermoplastics available that could be printed via the FDM 3D‐printing technique due to its dependence on amorphous feedstocks. [ 34–38 ]…”

Section: Introductionmentioning

confidence: 99%

“…On the other hand, there is a limited feedstock of thermoplastics available that could be printed via the FDM 3D-printing technique due to its dependence on amorphous feedstocks. [34][35][36][37][38] Polyolefins are polymers derived from simple olefins. Polyethylene (PE) and polypropylene (PP) are the most common commercially available used polyolefins.…”

Section: Introductionmentioning

confidence: 99%

Fused Deposition Modeling of Polyolefins: Challenges and Opportunities

Verma

Awasthi

Gupta

et al. 2022

Macro Materials & Eng

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Polyolefins are the largest class of commercially available synthetic polymers that are extensively used in a variety of applications from commodities to engineering owing to their low cost of production, good physico‐mechanical properties, light weight, good processability, and recyclability. Compared to conventional molding techniques, fused deposition modeling (FDM)‐based 3D printing is a smart manufacturing technology for thermoplastics due to its low cost, ease of production of complex geometrical parts, rapid prototyping, and scalable customization. FDM 3D printing can be an ideal manufacturing technology for polyolefins to manufacture various complex parts. However, FDM 3D‐printing of polyolefins is challenged bycritical printing problems like high warpage, dimensional inaccuracies, poor bed adhesion, and poor layer‐to‐layer adhesion. In this review, a fundamental understanding of polyolefins and their FDM 3D‐printing process is established, and the recent progress of FDM 3D printing of polyolefins is summarized. Furthermore, strategies to overcome warpage and to improve mechanical strength of the 3D‐printed polyolefins are provided. Finally, future prospectives of FDM 3D‐printing of polyolefins are critically discussed to inspire prospective research in this field. It is believed that this review article can be tremendously useful for research work related to FDM of polyolefin‐based materials.

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Mica filled polyetherketoneketones for material extrusion 3D printing

Cited by 8 publications

References 36 publications

Effect of Carbon Nanotubes on the Mechanical, Crystallization, Electrical and Thermal Conductivity Properties of CNT/CCF/PEKK Composites

Effect of Carbon Nanotubes on the Mechanical, Crystallization, Electrical and Thermal Conductivity Properties of CNT/CCF/PEKK Composites

Blocky bromination of poly(ether ketone ketone) as a means to preserve crystallizability and rapid crystallization kinetics

Fused Deposition Modeling of Polyolefins: Challenges and Opportunities

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