A pathway toward a new era of open-cell polyurethane foams—influence of bio-polyols derived from used cooking oil on foams properties
Authors:
- Maria Kurańska,
- Elżbieta Malewska,
- Krzysztof Polaczek,
- Aleksander Prociak,
- Joanna Kubacka
Abstract
In order to create greener polyurethane (PUR) foams, modified used cooking oils (UCO) were applied as starting resources for the synthesis of bio-polyols. The bio-polyols were produced using transesterification of UCO with diethylene glycol (UCO_DEG) and triethanolamine (UCO_TEA). Next, open-cell PUR foams were synthesized by replacing 20, 40, 60, 80 and 100% of the petrochemical polyol with the bio-polyol UCO_DEG or UCO_TEA. It was observed that an increasing bio-polyol content (up to 60%) led to an increase of the closed cell content. However, a further increase in the bio-polyol content up to 100% resulted in foam cell opening. The bio-foams obtained in the experiment had an apparent density of 13–18 kg/m3. The coefficient of thermal conductivity was determined at three different average temperatures: 10, 0 and −10 °C. The PUR bio-foams modified with bio-polyol UCO_TEA had lower values of thermal conductivity, regardless of the average temperature (35.99–39.57 mW/m·K) than the foams modified with bio-polyol UCO_DEG (36.95–43.78 mW/m·K). The compressive strength of most of the bio-foams was characterized by a higher value than the compressive strength of the reference material (without bio-polyol). Finally, it was observed that the bio-materials exhibited dimensional stability at 70 °C.
- Record ID
- CUT8807af694cc34227b2da9f8477ec1979
- Publication categories
- ;
- Author
- Journal series
- Materials, ISSN , e-ISSN 1996-1944, Biweekly
- Issue year
- 2020
- Vol
- 13
- No
- 22
- Pages
- [1-13]
- Article number
- 5161
- Other elements of collation
- fot.; tab.; wykr.; Bibliografia (na s.) - 11-13; Bibliografia (liczba pozycji) - 29; Oznaczenie streszczenia - Abstr.; Numeracja w czasopiśmie - Vol. 13, Iss. 22, Spec. Iss.
- Substantive notes
- Special Issue: Advances in Green Construction Materials
- Keywords in English
- green open-cell polyurethane foams, bio-polyols, modified used cooking oil, spray foams
- DOI
- DOI:10.3390/ma13225161 Opening in a new tab
- URL
- https://www.mdpi.com/1996-1944/13/22/5161/htm Opening in a new tab
- Related project
- Opracowanie technologii recyklingu surowcowego roślinnych olejów posmażalniczych i zastosowanie otrzymanych hydroksylowych bio-komponentów do wytwarzania innowacyjnych wysokoefektywnych poliuretanowych materiałów termoizolacyjnych. . Project leader at PK: , ,
Projects financed by NCRD [Projekty finansowane przez NCBiR (NCBR (] - Language
- eng (en) English
- License
- Score (nominal)
- 140
- Publication indicators
- = 16
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUT8807af694cc34227b2da9f8477ec1979/
- URN
urn:pkr-prod:CUT8807af694cc34227b2da9f8477ec1979
* 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.