Emerging trends in polymer aerogel nanoarchitectures, surfaces, interfaces and applications

Idumah, Christopher Igwe; Ezika, Anthony Chidi; Okpechi, Victor U.

doi:10.1016/j.surfin.2021.101258

Cited by 59 publications

(12 citation statements)

References 144 publications

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“…Meanwhile, a versatile range of studies have been conducted on SMP and nanoarchitectures recently with versatile enhanced properties for multifunctional applications. [ 98–180 ]…”

Section: Discussionmentioning

confidence: 99%

Multifunctional properties optimization and stimuli‐responsivity of shape memory polymeric nanoarchitectures and applications

Idumah

2023

Polymer Engineering & Sci

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As a result of nanotechnological advancement, parameters inducing flaws in shape memory polymers (SMP), such as weak mechanical properties, low electrical, and thermal conductivities, and so on, were mitigated through the inclusion of a versatile range of nanomaterials such as montmorillonites, carbon nanotubes, graphene and derivatives, cellulose nanocrystals, carbon nanofibers, and so on, thereby forming shape memory polymeric nanoarchitectures (SMPNs). Hence, this work elucidates most recently emerging advancements on multifunctional SMPNs filled by differing nanoparticulates. Varying multifunctional SMPNs exhibit responsivity to varying forms of stimulation strategies, including thermal responsivity, electroactivated, alternating magnetic field responsivity, light sensitivity, and water induced SMPs. Therefore, this article presents very recently emerging advancements in the construction, characterization, properties, and multifunctional applications of stimuliresponsive SMPNs, with special emphasis on functional and stimuli-responsive SMPNs. Furthermore, important functions of SMPNs such as stimuli-memory effect and self-mending abilities, as well as prospective strategies for future progress of these materials are highlighted.

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“…Meanwhile, a versatile range of studies have been conducted on SMP and nanoarchitectures recently with versatile enhanced properties for multifunctional applications. [ 98–180 ]…”

Section: Discussionmentioning

confidence: 99%

Multifunctional properties optimization and stimuli‐responsivity of shape memory polymeric nanoarchitectures and applications

Idumah

2023

Polymer Engineering & Sci

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“…MoS 2 @PNC have exhibited increased toughness, enhanced tribological attributes, improved thermal stability, and enhanced flame repression. On the other hand, a versatile range of PNC has been fabricated for multifunctional applications 64‐135 . With the advancement in nanotechnology, it is anticipated that innovations generable in the next generation of MoS 2 @PNC are blue chip.…”

Section: Discussionmentioning

confidence: 99%

Molybdenum disulfide polymeric nanoarchitectures and applications: A review

Idumah

2023

Polymer Engineering & Sci

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The advent of nanotechnology has escalated the quest for novel 2‐D nanomaterials (NMs) with the capability of surpassing all known advantages of graphene (GN), and more, resulting in the recent discovery of molybdenum disulfide (MoS2). MoS2 is a 2‐D sheet‐like NM, possessing unique layered “sandwich” architecture, in addition to chemical, electronic, and optical features similar to those of GN, thereby expanding their scope of applications for transistors, solar cells, catalysts, sensors, and so on. The embedment of MoS2 inside polymeric substrates (PP, PEG, epoxy, and so on), have resulted in the construction of MoS2 polymer nanoarchitectures exhibiting superior mechanical, thermal, and flame retardant features with multifunctional and versatile applications. Hence, this elucidation discusses recently emerging research activities in MoS2 polymeric nanoarchitectures and multifaceted applications.

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“…The enhanced crosslinking between the SA and the amorphous siliceous chains could improve the continuity and density of coatings, which also might convert into nano‐scale interpenetrating networks (IPNs), 31 leading to the silanol crosslinking, as evidenced by the increased area of amorphous residue in Figure 7. Meanwhile, the crosslink between SA and CMC also favors the siliceous chain propagation, the nano‐particles could reinforce the geopolymer coatings by condensation between hydroxyls or silanols, as proved by the resilient shielding layer in Figure 4.

Si {(OH)}_{4} goodbreak+ HO  Si  \to • {(HO)}_{3} Si  normalO  Si  goodbreak+ H_{2} normalO

Si {((), OH)}_{4} + {OH}^{-} \to SiO {(OH)}_{3}^{-} + {normalH}_{2} O

…”

Section: Discussionmentioning

confidence: 99%

A strategy to improve the compatibility of carboxyl methyl cellulose with silica fume‐based geopolymer inorganic siliceous coatings for flame‐retarding plywood

Wang

Kou

Zhao

et al. 2022

J of Applied Polymer Sci

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To seek an effective strategy for improving the compatibility of carboxyl methyl cellulose (CMC) with silica fume-based geopolymer composite flameretarding coatings, a novel silica aerogel (SA) doped inorganic siliceous hybrid coating is fabricated by sol-gel. Results show that an appropriate dosage (0.5 wt%) of SA ameliorates their compatibility thus imparting an enhanced flame resistance, evidenced by the lowest value of fire growth index (0.22 kWÁm À2 Ás À1 ) decreased by 55% and the average effective heat of combustion (4.16 kWÁkg À1 ) decreased by 31%, the raised flame retardancy index of 5.54 from 1 compared with the control. Because the SA improves the compatibility between the CMC and siliceous colloidal sol, due to its high reactivity, electrostatic repulsion involved in SiO(OH) 3 À , and high porosity, leading to an enhanced crosslinking during film-forming of the hybrid coatings. Meanwhile, the reduction between CMC and silica occurs with a swelling fire shield, evidenced by the generated silicon involved in the as-formed amorphous siliceous residues. Therefore, it proposed a new strategy for optimizing the compatibility of organic-inorganic hybrid fireproof coatings, revealing an efficient design of CMC/inorganic siliceous flame retardants, high-value recycling technology of solid waste, low-carbon, and sustainable materials.

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Emerging trends in polymer aerogel nanoarchitectures, surfaces, interfaces and applications

Cited by 59 publications

References 144 publications

Multifunctional properties optimization and stimuli‐responsivity of shape memory polymeric nanoarchitectures and applications

Multifunctional properties optimization and stimuli‐responsivity of shape memory polymeric nanoarchitectures and applications

Molybdenum disulfide polymeric nanoarchitectures and applications: A review

A strategy to improve the compatibility of carboxyl methyl cellulose with silica fume‐based geopolymer inorganic siliceous coatings for flame‐retarding plywood

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