Injection molding of transparent polymeric materials with 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide forenhanced fire retardancy

A. Ubowska; K. Kowalczyk; G. Krala

doi:10.14314/polimery.2018.7.8

Published : 2021-01-13

Vol. 63 No. 7-8 (2018)

Injection molding of transparent polymeric materials with 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide forenhanced fire retardancy

A. Ubowska K. Kowalczyk G. Krala

DOI: https://doi.org/10.14314/polimery.2018.7.8

Abstract

Selected transparent polymers [i.e., polystyrene (PS) and poly(methyl methacrylate) (PMMA)] were extruded with 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO). The obtained compositions were formed into testing samples by injection molding process. The obtained materials (containing 1–10 wt parts/100 wt parts of the polymer) exhibited higher melt flow rate and thermal resistance, as well as reduced flammability (while maintaining their mechanical properties). Additionally, Fourier transform infrared spectroscopy (FT-IR) analysis of modified polymers was conducted. Studies confirmed that – during the extrusion and/or injection molding – DOPO reacts with PS and PMMA.

Keywords

9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide ; polystyrene ; poly(methylmethacrylate) ; mechanical properties ; thermal properties 10-tlenek 9,10-dihydro-9-oksa-10-fosfafenantrenu ; polistyren ; poli(metakrylan metylu) ; właściwości mechaniczne ; właściwości termiczne

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Ubowska, A., Kowalczyk, K., & Krala, G. (2021). Injection molding of transparent polymeric materials with 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide forenhanced fire retardancy. Polimery, 63(7-8), 536–541. https://doi.org/10.14314/polimery.2018.7.8

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A. Ubowska agnieszka.ubowska@zut.edu.pl

Affiliation
West Pomeranian University of Technology, Department of Safety and Engineering, al. Piastow 41, 71-065 Szczecin, Poland

K. Kowalczyk

Affiliation
West Pomeranian University of Technology, Polymer Institute, Pulaskiego 10, 70-322 Szczecin, Poland

G. Krala

Affiliation
West Pomeranian University of Technology, Polymer Institute, Pulaskiego 10, 70-322 Szczecin, Poland