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author:

Yin, Lian (Yin, Lian.) [1] | Zhou, Mengqing (Zhou, Mengqing.) [2] | Shi, Yongqian (Shi, Yongqian.) [3] (Scholars:施永乾) | Zhou, Keqing (Zhou, Keqing.) [4]

Indexed by:

EI Scopus SCIE

Abstract:

Rapid and safe implementation of viscous crude oil cleanup is still a daunting challenge. Superhydrophobic materials are outstanding candidates for handling solvent spills, but are limited to recovering low viscosity oil and organic solvents. Hence, a polyurethane foam (PMRP-PU) integrating superelasticity, dual solar-responsive and fire resistance was fabricated by blending MXene and reduced graphene oxide (RGO) via self-foaming method. The surface temperature of the PMRP-PU reached 105 degrees C after simulated sunlight irradiation for 600 s. PMRP-PU had outstanding adsorption performance for low-viscosity oil and organic solvent (similar to 70.1 g/g) at room temperature, and the adsorption capacity of high -viscosity oil was also increased by 202.1 % compared with pure PU. Additionally, the adsorption capacity of PMRP-PU-3 remained at 92.7 % of the original level after 20 cycles of experiments. Excellent acid and alkali resistance and high temperature stability also greatly improved the environmental adaptability of the foam. Contrary to the flammability of pure PU, the peak heat release rate and total heat release of PMRP-PU-3 were decreased by 22.6 % and 25.2 %, respectively, and the melt dripping phenomenon disappeared during burning, exhibiting excellent fire safety. Briefly, this polyurethane foam can be repeatedly used for oil spill cleaning, and has a broad development prospect in the field of oil -water separation.

Keyword:

Adsorption capacity Flame retardancy High-viscosity oil Polyurethane foam Solar-responsive

Community:

  • [ 1 ] [Yin, Lian]China Univ Geosci Wuhan, Fac Engn, Wuhan 430074, Hubei, Peoples R China
  • [ 2 ] [Zhou, Mengqing]China Univ Geosci Wuhan, Fac Engn, Wuhan 430074, Hubei, Peoples R China
  • [ 3 ] [Zhou, Keqing]China Univ Geosci Wuhan, Fac Engn, Wuhan 430074, Hubei, Peoples R China
  • [ 4 ] [Shi, Yongqian]Fuzhou Univ, Coll Environm & Safety Engn, 2 Xueyuan Rd, Fuzhou 350116, Peoples R China

Reprint 's Address:

  • [Zhou, Keqing]China Univ Geosci Wuhan, Fac Engn, Wuhan 430074, Hubei, Peoples R China

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Source :

APPLIED SURFACE SCIENCE

ISSN: 0169-4332

Year: 2024

Volume: 660

6 . 3 0 0

JCR@2023

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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