Cooperative effect of rapeseed oil-based polyol and egg shells on the structure and properties of rigid polyurethane foams

Milena Leszczyńska , Joanna Ryszkowska , Leonard Szczepkowski , Maria Kurańska , Aleksander Prociak , Michał Leszczyński , Michał Gloc , Małgorzata Antoś-Bielska , Kamila Mizera

Abstract

Rigid polyurethane foams were manufactured using rapeseed oil-based polyol with hydroxyl number 270 mg KOH/g (10 wt% - 50 wt%) and ground egg shell waste as a natural filler (20 php) in a single-step synthesis procedure. The goal of the study was the investigation of the influence of renewable raw materials on the structure and physico-mechanical, thermal and biological properties of the final foams. The materials were analyzed using a variety of techniques involving: differential scanning calorimetry, thermogravimetric analysis, infrared spectroscopy, scanning electron microscopy and computer tomography as well as other methods in accordance to polish and international standards. The results clearly indicate that the modification of the polyurethane composition with the rapeseed oil-based polyol and egg shells leads to a beneficial influence on the foam structure. Depending on the renewable raw materials content, the modified materials exhibited similar or improved characteristics (compressive strength, surface bacteria adhesion, friability, water absorption, thermal stability, dimensional stability) in comparison to the reference foams obtained using only petrochemical substrates.
Author Milena Leszczyńska (FMSE / DSMP)
Milena Leszczyńska,,
- Division of Ceramic Materials and Polymers
, Joanna Ryszkowska (FMSE / DSMP)
Joanna Ryszkowska,,
- Division of Ceramic Materials and Polymers
, Leonard Szczepkowski
Leonard Szczepkowski,,
-
, Maria Kurańska
Maria Kurańska,,
-
, Aleksander Prociak - Politechnika Krakowska im. Tadeusza Kościuszki
Aleksander Prociak,,
-
, Michał Leszczyński
Michał Leszczyński,,
-
, Michał Gloc (FMSE / DMD)
Michał Gloc,,
- Division of Materials Design
, Małgorzata Antoś-Bielska - Wojskowy Instytut Higieny i Epidemiologii imienia Generała Karola Kaczkowskiego(WIHiE), Warsaw
Małgorzata Antoś-Bielska,,
-
, Kamila Mizera (FMSE / DSMP)
Kamila Mizera,,
- Division of Ceramic Materials and Polymers
Journal seriesPolymer Testing, ISSN 0142-9418, e-ISSN 1873-2348
Issue year2020
Vol90
Pages1-12
Publication size in sheets5334.8
Article number106696
Keywords in EnglishPolyurethane foams Renewable sources Egg shells Rapeseed oil-based polyol Natural oil Biocomposites
ASJC Classification1605 Organic Chemistry; 2507 Polymers and Plastics
DOIDOI:10.1016/j.polymertesting.2020.106696
Languageen angielski
Score (nominal)100
Score sourcejournalList
ScoreMinisterial score = 100.0, 20-07-2020, ArticleFromJournal
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2017 = 1.251; WoS Impact Factor: 2018 = 2.943 (2) - 2018=3.07 (5)
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