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Structure, Mechanical, Thermal and Fire Behavior Assessments of Environmentally Friendly Crude Glycerol-Based Rigid Polyisocyanurate Foams
Abstrakt
In this work, rigid polyisocyanurate foams were prepared at partial substitution (0–70 wt%) of commercially available petrochemical polyol, with previously synthesized biopolyol based on crude glycerol and castor oil. Influence of the biopolyol content on morphology, chemical structure, static and dynamic mechanical properties, thermal insulation properties, thermal stability and flammability was investigated. Incorporation of 35 wt% of crude glycerol-based polyol had reduced average cell size by more than 30% and slightly increased closed cell content, simultaneously reducing thermal conductivity coefficient of foam by 12% and inhibiting their thermal aging. Applied modifications showed also positive impact on the mechanical performance of rigid foams. Increase of crosslink density resulted in enhancement of compressive strength by more than 100%. Incorporation of prepared biopolyol resulted in enhancement of thermal stability and changes in degradation pathway. Up to 35 wt% share of crude glycerol-based polyol, foams showed similar flammability as reference sample, which can be considered very beneficial from the environmental point of view.
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Autorzy (7)
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Mikelis Kirpluks dr
- Latvian State Institute of Wood Chemistry Laboratory of Polymers
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Ugis Cabulis prof.
- Latvian State Institute of Wood Chemistry Laboratory of Polymers
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Marek Klein
- Instytut Maszyn Przepływowych PAN Zakład Energii Odnawialnych
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
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JOURNAL OF POLYMERS AND THE ENVIRONMENT
nr 26,
strony 1854 - 1868,
ISSN: 1566-2543 - Język:
- angielski
- Rok wydania:
- 2018
- Opis bibliograficzny:
- Hejna A., Kosmela P., Kirpluks M., Cabulis U., Klein M., Haponiuk J., Piszczyk Ł.: Structure, Mechanical, Thermal and Fire Behavior Assessments of Environmentally Friendly Crude Glycerol-Based Rigid Polyisocyanurate Foams// JOURNAL OF POLYMERS AND THE ENVIRONMENT. -Vol. 26, nr. 5 (2018), s.1854-1868
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1007/s10924-017-1086-2
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 192 razy