Emulsion templated amino functionalised polymeric monolith filter for innovative air purification technology

Ramachandran, Sowndarya; Rajiv, Sheeja

doi:10.1007/s10934-019-00856-1

Cited by 3 publications

(3 citation statements)

References 31 publications

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“…A polyHIPE-based aerosol filter for automobile exhaust achieved an increase in the capture efficiency of particles (<2.5 μm) from 1.2% to 72.2% after surface functionalisation of an amino (–NH 2 ) end group[ 61 ]. The polyHIPE filter captured these particles both on the outer surface and within the pores (pore sizes were between 3.0 and 7.4 μm, interconnects of 1.1 and 2.4 μm), and its effectiveness was attributed to the surface coating as well as the coating thickness physically reducing the interconnect and pore size.…”

Section: Considerations For a Polyhipe-based Rpe Filter Against VImentioning

confidence: 99%

Considerations Using Additive Manufacture of Emulsion Inks to Produce Respiratory Protective Filters Against Viral Respiratory Tract Infections Such as the COVID-19 Virus

Sherborne¹,

Claeyssens²

2024

IJB

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This review paper explores the potential of combining emulsion-based inks with additive manufacturing (AM) to produce filters for respiratory protective equipment (RPE) in the fight against viral and bacterial infections of the respiratory tract. The value of these filters has been highlighted by the current severe acute respiratory syndrome coronavirus-2 crisis where the importance of protective equipment for health care workers cannot be overstated. Three-dimensional (3D) printing of emulsions is an emerging technology built on a well-established field of emulsion templating to produce porous materials such as polymerized high internal phase emulsions (polyHIPEs). PolyHIPE-based porous polymers have tailorable porosity from the submicron to 100 s of μm. Advances in 3D printing technology enables the control of the bulk shape while a micron porosity is controlled independently by the emulsion-based ink. Herein, we present an overview of the current polyHIPE-based filter applications. Then, we discuss the current use of emulsion templating combined with stereolithography and extrusion-based AM technologies. The benefits and limitation of various AM techniques are discussed, as well as considerations for a scalable manufacture of a polyHIPE-based RPE.

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Section: Considerations For a Polyhipe-based Rpe Filter Against VImentioning

confidence: 99%

Considerations Using Additive Manufacture of Emulsion Inks to Produce Respiratory Protective Filters Against Viral Respiratory Tract Infections Such as the COVID-19 Virus

Sherborne¹,

Claeyssens²

2024

IJB

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“…Such porous monoliths also exhibited excellent thermal stability up to 323 °C. [118] Piperazine-functionalized P(St-co-NPA)-based polyHIPEs were also fabricated. The continuous organic phase of W/O HIPEs comprised 4-nitrophenylacrylate, DVB, Span 80, Span 85, and chlorobenzene (CB).…”

Section: St-based Hydrophobic Porous Polymersmentioning

confidence: 99%

“…Such porous monoliths also demonstrated excellent dust loading capacity with a reduced pressure drop and reusability as an air filter on continuous usage. [ 118 ]…”

Section: Environmental Applications Of Emulsion‐templated Porous Mate...mentioning

confidence: 99%

Fundamentals and Design‐Led Synthesis of Emulsion‐Templated Porous Materials for Environmental Applications

et al. 2021

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Emulsion templating is at the forefront of producing a wide array of porous materials that offers interconnected porous structure, easy permeability, homogeneous flow-through, high diffusion rates, convective mass transfer, and direct accessibility to interact with atoms/ions/molecules throughout the exterior and interior of the bulk. These interesting features together with easily available ingredients, facile preparation methods, flexible pore-size tuning protocols, controlled surface modification strategies, good physicochemical and dimensional stability, lightweight, convenient processing and subsequent recovery, superior pollutants remediation/monitoring performance, and decent recyclability underscore the benchmark potential of the emulsion-templated porous materials in large-scale practical environmental applications. To this end, many research breakthroughs in emulsion templating technique witnessed by the recent achievements have been widely unfolded and currently being extensively explored to address many of the environmental challenges. Taking into account the burgeoning progress of the emulsion-templated porous materials in the environmental field, this review article provides a conceptual overview of emulsions and emulsion templating technique, sums up the general procedures to design and fabricate many state-of-the-art emulsion-templated porous materials, and presents a critical overview of their marked momentum in adsorption, separation, disinfection, catalysis/degradation, capture, and sensing of the inorganic, organic and biological contaminants in water and air.

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Mechanically robust conjugated microporous polymer membranes prepared using polyvinylpyrrolidone (PVP) electrospun nanofibers as a template for efficient PM capture

Yang

Niu

Cao

et al. 2023

Journal of Colloid and Interface Science

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Emulsion templated amino functionalised polymeric monolith filter for innovative air purification technology

Cited by 3 publications

References 31 publications

Considerations Using Additive Manufacture of Emulsion Inks to Produce Respiratory Protective Filters Against Viral Respiratory Tract Infections Such as the COVID-19 Virus

Considerations Using Additive Manufacture of Emulsion Inks to Produce Respiratory Protective Filters Against Viral Respiratory Tract Infections Such as the COVID-19 Virus

Fundamentals and Design‐Led Synthesis of Emulsion‐Templated Porous Materials for Environmental Applications

Mechanically robust conjugated microporous polymer membranes prepared using polyvinylpyrrolidone (PVP) electrospun nanofibers as a template for efficient PM capture

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