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Journal of Polymer Research
Erschienen in: Journal of Polymer Research 9/2020

01.09.2020 | ORIGINAL PAPER

Modified magnesium hydroxide encapsulated by melamine cyanurate in flame-retardant polyamide-6

verfasst von: Tao Zheng, Wenning Xia, Jing Guo, Yaochi Liu

Erschienen in: Journal of Polymer Research | Ausgabe 9/2020

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Abstract

In this paper, a novel modified magnesium hydroxide (MH) was successfully prepared with γ-(2,3-epoxypropoxy)propyl trimethoxysilane (KH-560) via the wet process. The optimum modification conditions were obtained as follows: KH-560 dosage of 1.0 wt% at 80 °C for 2 h. The modified MH encapsulated by melamine cyanurate (MCA) at the mass ratio was 1:3. Using polyamide-6 (PA6) as matrix, MCA-MH as flame retardant, a series of flame-retardant PA6/MCA-MH composites were prepared by melt blending and injection molding. The flame retardancy, thermal property, and mechanical properties of PA6/MCA-MH composites were investigated. The investigation results showed that MCA-MH could effectively suppress the melt-dipping behavior and reinforce flame retardancy of PA6. PA6/MCA-MH composites successfully passed the vertical combustion (UL-94) V-0 rating and limiting oxygen index (LOI) as high as 32.5% with the incorporation of 20 wt% of MCA-MH. The residues of the PA6/MCA-MH composites were increased with the increasing MCA-MH. What’s more, the mechanical properties of the composites were also enhanced because of MCA-MH had better compatibility and dispersion in the PA6 matrix compared with MH. Therefore, PA6/MCA-MH composites with excellent flame retardancy while have maintained optimal mechanical properties can be obtained.
Vorheriger Artikel Study on thermo-kinetic modeling of green route synthesized inorganic loading on PVDF membrane for Cr(VI) removal and its optimization
Nächster Artikel Production of the ZnO-folic acid nanoparticles and poly(vinyl alcohol) nanocomposites: investigation of morphology, wettability, thermal, and antibacterial properties

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Metadaten
Titel
Modified magnesium hydroxide encapsulated by melamine cyanurate in flame-retardant polyamide-6
verfasst von
Tao Zheng
Wenning Xia
Jing Guo
Yaochi Liu
Publikationsdatum
01.09.2020
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 9/2020
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-020-02229-8

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