High Thermally Stable Polyurethane Nanocomposite Foam Containing Polydimethyl Siloxane and Carbonaceous Nanofillers

High thermally stable polyurethane-based nanocomposite (PU) foam reinforced with different (0.25 - 1.0) wt% of carbonaceous nanofillers, i.e., graphene oxide (GO), reduced graphene oxide (rGO), and carbon black (CB) with polydimethylsiloxane (PDMS), were prepared by melt blending method. PU nanocomp...

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Bibliographic Details
Published in:SILICON 2023-04, Vol.15 (6), p.2869-2878
Main Authors: Yadav, Ganesh, Gupta, Sunil Kumar, Singh, Kartikey, Jaiswal, Rimpa, T J, Zacharia, Agarwal, Kavita
Format: Article
Language:English
Subjects:
Carbon black
Chemistry
Chemistry and Materials Science
Emission analysis
Environmental Chemistry
Field emission microscopy
Graphene
High temperature
Inorganic Chemistry
Lasers
Materials Science
Melt blending
Nanocomposites
Optical Devices
Optics
Original Paper
Phase separation
Photonics
Polydimethylsiloxane
Polymer Sciences
Polyurethane foam
Tensile strength
Thermal stability
Thermodynamic properties
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Summary:High thermally stable polyurethane-based nanocomposite (PU) foam reinforced with different (0.25 - 1.0) wt% of carbonaceous nanofillers, i.e., graphene oxide (GO), reduced graphene oxide (rGO), and carbon black (CB) with polydimethylsiloxane (PDMS), were prepared by melt blending method. PU nanocomposite foam was tested and characterized by several techniques to check its stability and suitability for use at high temperatures. The microstructure of PU nanocomposite foam was studied by Field Emission Electron Microscopy (FESEM). The phase separation and crystallinity of samples were analyzed by X-ray diffraction technique. The tensile strength and extension properties were evaluated. The tensile strength of PU-PDMS with 1.0 wt% GO was 58.9% more than that of neat PU-PDMS. The thermal properties of PU foam were investigated using a Thermogravimetric Analyser (TGA). At 650 °C temperature, PU foam having 1.0 wt% of the carbonaceous-based nanofillers (GO, CB and rGO) is more thermally stable than other wt.% of nanofillers and could be used for high-temperature applications.
ISSN:1876-990X
1876-9918
DOI:10.1007/s12633-022-02212-6