Preparation of fluoropolymer materials with different porous morphologies by an emulsion template method using supercritical carbon dioxide as a medium

Chen, Jian; Azhar, Umair; Wang, Yongkang; Liang, Jiaqi; Geng, Bo

doi:10.1039/c9ra00777f

Cited by 8 publications

(2 citation statements)

References 48 publications

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“…Emulsion template method is a new method of preparing porous materials in recent years [102,103]. This method generally uses emulsion microdroplets from microfluidics as template, and the target material is deposited on the surface of template by physical or chemical methods.…”

Section: Emulsion Template Methodsmentioning

confidence: 99%

Synthesis of Magnetic Metal-Organic Frame Material and Its Application in Food Sample Preparation

Yang

Wang

Pan

et al. 2020

Foods

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A variety of contaminants in food is an important aspect affecting food safety. Due to the presence of its trace amounts and the complexity of food matrix, it is very difficult to effectively separate and accurately detect them. The magnetic metal-organic framework (MMOF) composites with different structures and functions provide a new choice for the purification of food matrix and enrichment of trace targets, thus providing a new direction for the development of new technologies in food safety detection with high sensitivity and efficiency. The MOF materials composed of inorganic subunits and organic ligands have the advantages of regular pore structure, large specific surface area and good stability, which have been thoroughly studied in the pretreatment of complex food samples. MMOF materials combined different MOF materials with various magnetic nanoparticles, adding magnetic characteristics to the advantages of MOF materials, which are in terms of material selectivity, biocompatibility, easy operation and repeatability. Combined with solid phase extraction (SPE) technique, MMOF materials have been widely used in the food pretreatment. This article introduced the new preparation strategies of different MMOF materials, systematically summarizes their applications as SPE adsorbents in the pretreatment of food contaminants and analyzes and prospects their future application prospects and development directions.

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Section: Emulsion Template Methodsmentioning

confidence: 99%

Synthesis of Magnetic Metal-Organic Frame Material and Its Application in Food Sample Preparation

Yang

Wang

Pan

et al. 2020

Foods

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“…After the problems were solved, scholars synthesized many fluoropolymer emulsions with different structures and properties. Fluoropolymer emulsion has been widely used in coating materials [ 31 ], the textile industry [ 32 ], building materials [ 33 ], the petroleum industry [ 34 ], medical materials [ 35 , 36 ], and especially in the combination of nanomaterials and applications [ 37 ]. It has become the research focus of many scholars.…”

Section: Introductionmentioning

confidence: 99%

Fluoropolymer: A Review on Its Emulsion Preparation and Wettability to Solid-Liquid Interface

et al. 2023

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In the preparation of a superamphiphobic surface, the most basic method is to reduce the surface free energy of the interface. The C—F bond has a very low surface free energy, which can significantly change the wettability of the solid–liquid interface and make it a hydrophobic or oleophobic, or even superamphiphobic surface. Based on the analysis of a large number of research articles, the preparation and application progress in fluoropolymer emulsion were summarized. After that, some corresponding thoughts were put forward combined with our professional characteristics. According to recent research, the status of the fluoropolymer emulsion preparation system was analyzed. In addition, all related aspects of fluoropolymer emulsion were systematically classified in varying degrees. Furthermore, the interaction between fluoropolymer structure and properties, especially the interaction with nanomaterials, was also explored. The aim of this review is to try to attract more scholars’ attention to fluorocarbon interfacial materials. It is expected that it will make a certain theoretical and practical significance in the preparation and application of fluoropolymer.

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Amphiphilic Polyphosphazene for Fluorocarbon Emulsion Stabilization

Wang,

Liu,

Zang

et al. 2024

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High internal phase emulsions (HIPEs) have been of great interest for fabricating fluorinated porous polymers having controlled pore structures and excellent physicochemical properties. However, it remains a challenge to prepare stable fluorocarbon HIPEs, due to the lack of suitable surfactants. By randomly grating hydrophilic and fluorophilic side chains to polyphosphazene (PPZ), a comb‐like amphiphilic PPZ surfactant with biodegradability is designed and synthesized for stabilizing water/fluorocarbon oil‐based emulsions. The hydrophilic–lipophilic balance of PPZs can be controlled by tuning the grating ratio of the two side chains, leading to the preparation of stable water‐in‐oil HIPEs and oil‐in‐water emulsions, and the production of fluorinated porous polymers and particles by polymerizing the oil phase. These fluorinated porous polymers show excellent thermal stability and, due to the hydrophobicity and porous structure, applications in the field of oil/water separation can be achieved.

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Preparation of fluoropolymer materials with different porous morphologies by an emulsion template method using supercritical carbon dioxide as a medium

Abstract: Effect of the length of the block polymer mPEG45-b-(TFEMA)n, fluorine-containing chain end on final polymer morphology.

Cited by 8 publications

References 48 publications

Synthesis of Magnetic Metal-Organic Frame Material and Its Application in Food Sample Preparation

Synthesis of Magnetic Metal-Organic Frame Material and Its Application in Food Sample Preparation

Fluoropolymer: A Review on Its Emulsion Preparation and Wettability to Solid-Liquid Interface

Amphiphilic Polyphosphazene for Fluorocarbon Emulsion Stabilization

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