Development of new polyimide powder for selective laser sintering

Vaganov, G. V.; Диденко, А. Л.; Иванькова, Е. М.; Попова, Е. Н.; Yudin, V. E.; Elokhovskii, V. Yu.; Lasota, Irena

doi:10.1557/jmr.2019.161

Cited by 22 publications

(21 citation statements)

References 20 publications

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“…A VGCF suspension in N-methylpyrrolidone (MP) was admixed to the obtained PAA. Next, the chemical PAA cyclization was fulfilled according to the protocol described elsewhere [ 30 ].…”

Section: Methodsmentioning

confidence: 99%

Investigation of Polyetherimide Melt-Extruded Fibers Modified by Carbon Nanoparticles

et al. 2021

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The fibers based on thermoplastic partially crystalline polyetherimide R-BAPB modified by vapor grown carbon nanofibers (VGCF) were prepared by melt extrusion, exposed to orientational drawing, and crystallized. All of the samples were examined by scanning electron microscopy, X-ray scattering, and differential scanning calorimetry to study how the carbon nanofiller influences on the internal structure and crystallization behavior of the obtained R-BAPB fibers. The mechanical properties of the composite R-BAPB fibers were also determined. It was found that VGCF nanoparticles introduced into R-BAPB polyimide can act as a nucleating agent that leads, in turn, to significant changes in the composite fibers morphology as well as thermal and mechanical characteristics. VGCF are able to improve an orientation degree of the R-BAPB macromolecules along the fiber direction, accelerate crystallization rate of the polymer, and enhance the fiber stability during crystallization process.

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“…A VGCF suspension in N-methylpyrrolidone (MP) was admixed to the obtained PAA. Next, the chemical PAA cyclization was fulfilled according to the protocol described elsewhere [ 30 ].…”

Section: Methodsmentioning

confidence: 99%

Investigation of Polyetherimide Melt-Extruded Fibers Modified by Carbon Nanoparticles

et al. 2021

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“…They are capable of retaining their desirable properties even when subjected to harsh conditions, and can serve as a lightweight alternative for applications that involve high operating temperatures. Polyaryletherketones (PAEKs), PPS, polyimides, [ 171 ] and fluoropolymers [ 172 ] belong to this class of polymers and have been studied for SLS. Due to their high melting temperatures, high‐temperature SLS systems (e.g., EOSINT P800) are needed to process these polymers.…”

Section: Thermoplastic Powdersmentioning

confidence: 99%

“…Owing to its excellent properties, PEKK is extremely popular for aerospace applications. Although it is challenging to process PEKK due to its high melting point, its low shrinkage (30% lower than PA12) [ 171b ] and potentially high powder reusability rate [ 176 ] make it a promising high‐performance material for SLS.…”

Section: Thermoplastic Powdersmentioning

confidence: 99%

Recent Progress on Polymer Materials for Additive Manufacturing

Tan

Zhu

Zhou

2020

Adv Funct Materials

404

238

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Additive manufacturing (AM) is the process of printing 3D objects in a layer-by-layer manner. Polymers and their composites are some of the most widely used materials in modern industries and are of great interest in the field of AM due to their vast potential for various applications, especially in the medical, aerospace, and automotive industries. Many studies have been conducted to develop new polymer materials for AM techniques, which include vat photopolymerization, material jetting, powder bed fusion, material extrusion, binder jetting, and sheet lamination. Although several reviews on the development of polymer materials for AM have been published, most of them only focus on a specific application, process, or type of material. Therefore, this article serves to provide a comprehensive review on the progress in polymer material development for AM techniques. It begins with an introduction to different AM techniques, followed by highlighting the progress of their development. Material requirements, notable advances in newly developed materials and their potential applications are discussed in detail and summarized. This review concludes by identifying the major challenges currently encountered in using AM for polymer materials and providing insights into the valuable opportunities it presents, in hopes of spurring further development in this field.

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“…Aromatic polyimides (PIs), as a kind of high-performance engineering material, have attracted wide attention because of their excellent properties, such as chemical solvent resistance, excellent thermal and mechanical properties, and outstanding dielectric performance, and they have been widely used in the elds of microelectronics, separation membranes, aerospace and other applications. [1][2][3][4] The traditional aromatic polyimides display a brown-yellow color. The reason is mainly that the charge transfer complex (CTC) is easily formed between the electron donor (diamine) and electron acceptor (dianhydride), resulting in the absorption of light.…”

Section: Introductionmentioning

confidence: 99%