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Study of the effect of thermally reduced graphene oxide on the physical and mechanical properties of flexible polyurethane foams
Abstrakt
Flexible polyurethane foams were obtained from a two-component system via the one-step method. The foams were modified with thermally reduced graphene oxide added in the amount equal to 0.25, 0.5 and 0.75 wt%. The morphology, static and dynamic properties, and thermal stability of modified foams were determined. The application of carbon filler resulted in the visible increase in the cell size, apparent density and rigidity of the modified systems, as confirmed by the measurements of glass transition temperature. Glass transition temperature increased with increasing content of nanofiller. Also, thermally reduced graphene oxide had an effect on the thermal stability of the obtained foam systems. The addition of 0.5 wt% of nanofiller resulted in an increase in T5 by 16ºC compared to the reference foam. This study also demonstrated that after exceeding a specific content of thermally reduced graphene oxide, i.e. 0.5%, the physicochemical properties of the obtained systems start to deteriorate. The research results showed that thermally reduced graphene oxide can be successfully used as a modifier of mechanical and thermal properties in flexible polyurethane foams.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
-
POLYMER COMPOSITES
strony 1 - 6,
ISSN: 0272-8397 - Język:
- angielski
- Rok wydania:
- 2015
- Opis bibliograficzny:
- Piszczyk Ł., Strankowski M., Kosmela P.: Study of the effect of thermally reduced graphene oxide on the physical and mechanical properties of flexible polyurethane foams// POLYMER COMPOSITES. -, (2015), s.1-6
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1002/pc.23805
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 121 razy