The effect of functionalized hydroxyapatite on the thermal degradation behaviour and flammability of polyoxymethylene copolymer
Authors:
- Klaudia Król-Morkisz,
- Łukasz Byczyński,
- Tomasz M. Majka,
- Krzysztof Pielichowski,
- Kinga Pielichowska
Abstract
In this work, the efect of functionalized hydroxyapatite (HAp-g-PEG) on the thermal degradation behaviour and fammability of polyoxymethylene copolymer (POM_C) was investigated. Organic–inorganic hybrid additive, obtained by grafting of poly(ethylene glycol) on HAp surface using 1,6-hexamethylene diisocyanate as a linker, has been incorporated into POM matrix through an extrusion process. TG analyses show that the incorporation of HAp-g-PEG into POM_C leads to the signifcant improvement in the thermal stability of the polymer matrix. This is an important fnding as POM, being an engineering polymer, sufers from a relatively low thermal stability that limits processing options to develop advanced composite materials. Based on TG results kinetic parameters of the thermal degradation process using Friedman isoconversional method and nonlinear regression method have been calculated; an increase in activation energy of POM degradation process after incorporation of HAp-g-PEG has been found. Thermoanalytical analyses (TG-FTIR/MS) show that incorporation of HApg-PEG has no signifcant efect on the composition of the thermal degradation products. Flammability investigations showed small efect of HAp-g-PEG 600 on the burning time and rate, however, there was a signifcant reduction in the amount of dripping during the material’s burning process.
- Record ID
- CUTc858cd8342b6462b88b8cf9ceab4f6e1
- Publication categories
- ;
- Author
- Journal series
- Journal of Thermal Analysis and Calorimetry, ISSN 1388-6150, e-ISSN 1588-2926
- Issue year
- 2022
- Vol
- 147
- No
- 24
- Pages
- 14241-14256
- Other elements of collation
- fot.; tab.; wykr.; Bibliografia (na s.) - 14256; Bibliografia (liczba pozycji) - 32; Oznaczenie streszczenia - Abstr.; Data udostępnienia on-line - 2022-10-01; Numeracja w czasopiśmie - Vol. 147, Iss. 24
- Keywords in English
- polyoxymethylene copolymer, functionalized hydroxyapatite, thermal stability, thermal degradation, flammability
- ASJC Classification
- ;
- DOI
- DOI:10.1007/s10973-022-11612-0 Opening in a new tab
- URL
- https://link.springer.com/article/10.1007/s10973-022-11612-0 Opening in a new tab
- Language
- eng (en) English
- License
- Score (nominal)
- 100
- Score source
- journalList
- Score
- Publication indicators
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUTc858cd8342b6462b88b8cf9ceab4f6e1/
- URN
urn:pkr-prod:CUTc858cd8342b6462b88b8cf9ceab4f6e1
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.