Properties of polyurethane foam with fourth-generation blowing agent
Abstract: Climate change makes it imperative to use materials with minimum global warming potential. The fourth-generation blowing agent HCFO-1233zd-E is one of them. The use of HCFO allows the production of polyurethane foam with low thermal conductivity. Thermal conductivity, like other foam properties, depends not only on the density but also on the cellular structure of the foam. The cellular structure, in turn, depends on the technological parameters of foam production. A comparison of pouring and spray foams of the same low density has shown that the cellular structure of spray foam consists of cells with much less sizes than pouring foam. Due to the small size of cells, spray foam has a lower radiative constituent in the foam conductivity and, as a result, a lower overall thermal conductivity than pouring foam. The water absorption of spray foam, due to the fine cellular structure, also is lower than that of pouring foam. Pouring foam with bigger cells has higher compressive strength and modulus of elasticity in the foam rise direction. On the contrary, spray foam with a fine cellular structure has higher strength and modulus in the perpendicular direction. The effect of foam aging on thermal conductivity was also studied.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Properties of polyurethane foam with fourth-generation blowing agent ; volume:21 ; number:1 ; year:2021 ; pages:763-769 ; extent:7
e-Polymers ; 21, Heft 1 (2021), 763-769 (gesamt 7)
- Creator
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Yakushin, Vladimir
Cabulis, Ugis
Fridrihsone, Velta
Kravchenko, Sergey
Pauliks, Romass
- DOI
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10.1515/epoly-2021-0081
- URN
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urn:nbn:de:101:1-2412151636487.125198729210
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:30 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Yakushin, Vladimir
- Cabulis, Ugis
- Fridrihsone, Velta
- Kravchenko, Sergey
- Pauliks, Romass
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