The Tensile, Thermal and Flame-Retardant Properties of Polyetherimide and Polyetherketoneketone Processed via Fused Filament Fabrication

被引：8

作者：

Glaskova-Kuzmina, Tatjana ^{[1
,2
]}

Dejus, Didzis ^{[1
]}

Jatnieks, Janis ^{[1
]}

Vindedze, Elina ^{[1
]}

Bute, Irina ^{[2
]}

Sevcenko, Jevgenijs ^{[2
]}

Aniskevich, Andrey ^{[2
]}

Stankevich, Stanislav ^{[2
]}

Boobani, Behnam ^{[3
]}

机构：

[1] Baltic3D Eu, Braslas 22D, LV-1035 Riga, Latvia

[2] Univ Latvia, Inst Mech Mat, Jelgavas 3, LV-1004 Riga, Latvia

[3] Latvian Acad Sport Educ, Brivibas Gatve 333, LV-1006 Riga, Latvia

来源：

POLYMERS | 2024年 / 16卷 / 03期

关键词：

tensile properties; thermal properties; flame retardancy; fused filament fabrication; anisotropy; polyetherimide; polyetherketoneketone; MECHANICAL-PROPERTIES;

D O I：

10.3390/polym16030336

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polymer materials are increasingly widely used in high-fire-risk applications, such as aviation interior components. This study aimed to compare the tensile, thermal, and flame-retardant properties of test samples made from ultra-performance materials, polyetherimide (PEI) and polyetherketoneketone (PEKK), using the fused filament fabrication process (FFF). The tensile tests were performed for these materials at different raster angles (0, 45, and 90 degrees). The thermomechanical tests were done in the axial, perpendicular, and through-thickness directions to the extruded filaments. The impact of printing parameters on the flame retardancy of 3D-printed samples was investigated in vertical burn tests with varying specimen thicknesses and printing directions. Experimentally, it was testified that PEKK had better isotropic behaviour than PEI for mechanical performance, thermal expansion, and fire-resistant properties, which are essential in fabricating intricately shaped products.

引用

页数：16

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