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Huang, Shu-Chuan; Huang, Chung‐Tai; Lu, Shyue-Kung; Chou, Kan‐Sen

doi:10.1023/a:1009687523387

Cited by 19 publications

(8 citation statements)

References 7 publications

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“…Many other template morphologies have also been tested: carbon nanotubes [33], polymer fibers and textiles [21,34,35], membranes [36,37], polymer microspheres [38,39], natural particulate materials, like wood sawdust [19], and others have been coated with PANI. The powders of inorganic oxides, like silicon dioxide [40,41], titanium dioxide [42], copper(II) oxide [43], and ferrites [44], may serve as examples of another group of materials which have been modified on the surface with PANI.…”

Section: Introductionmentioning

confidence: 99%

Polyaniline: Thin films and colloidal dispersions (IUPAC Technical Report)

Stejskal

Sapurina

2005

Pure and Applied Chemistry

225

130

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Several workers from various institutions in six countries have prepared thin films and colloidal polyaniline dispersions. The films were produced in situ on glass supports during the oxidation of anilinium chloride with ammonium peroxydisulfate in water. The average thickness of the films, assessed by optical absorption, was 125 ± 9 nm, and the conductivity of films was 2.6 ± 0.7 S cm–1. Films prepared in 1 mol l–1 HCl had a similar thickness, 109 ± 10 nm, but a higher conductivity, 18.8 ± 7.1 S cm–1. Colloidal polyaniline particles stabilized with a water-soluble polymer, poly(N-vinylpyrrolidone) [poly(1-vinylpyrrolidin-2-one)], have been prepared by dispersion polymerization. The average particle size, 241 ± 50 nm, and polydispersity, 0.26 ± 0.12, have been determined by dynamic light scattering. The preparation of these two supramolecular polyaniline forms was found to be well reproducible.

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Section: Introductionmentioning

confidence: 99%

Polyaniline: Thin films and colloidal dispersions (IUPAC Technical Report)

Stejskal

Sapurina

2005

Pure and Applied Chemistry

225

130

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“…In a study, an inexpensive membrane from Fuller's earth clay was prepared with 39 % porosity and flexural strength of ~20 MPa [13]. Another work developed a low-cost kaolinbased membrane by pressing at 25 MPa [90]. Likewise, Issaoui et al [91] used a dry pressing process to produce flat-shaped cermets consisting of kaolin and aluminum using 66 MPa pressure.…”

Section: Pressing Methodsmentioning

confidence: 99%

Ceramic Membranes for Citrus Fruit Juice Clarification: A Systematic Review

et al. 2023

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Membrane separation processes are becoming a significant part of fruit juice processing industries because of their excellent selectivity, absence of thermal and chemical treatments, and energy efficiency. Specifically, the applicability of ceramic membranes in citrus fruit juice clarification is more promising as they are highly stable in a corrosive environment and have a longer lifetime. However, ceramic membranes are costlier than polymeric membranes due to the high cost of raw materials. Therefore, numerous alternative low‐cost precursors for making the ceramic membrane are being utilized. Accordingly, the current review is focused on the different low‐cost raw materials and various fabrication methods to synthesize different ceramic membranes. Further, the ceramic membrane's application in fruit juice clarification is intensely discussed. In any membrane separation process, fouling is an unavoidable constraint. In the current review, various mechanisms involved in fouling are emphasized in detail. In addition, a variety of techniques to reduce fouling are extensively deliberated. Furthermore, ceramic membranes' challenges and future perspectives for further development are also systematically highlighted.

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“…En comparación con otros materiales porosos, los compuestos de caolín y diatomita ofrecen varias ventajas que los diferencian de los demás: poseen excelentes propiedades mecánicas como dureza, resistencia a la corrosión y desgaste, resistencia al ataque químico, baja densidad de masa, durabilidad en ambientes agresivos y estabilidad frente a la presencia de altas temperaturas [9][10][11][12][13][14]. Lo anterior ha ocasionado que estos materiales sean objeto de investigación en los últimos años con el fin de optimizar sus propiedades y potencializar sus usos [15].…”

Section: Introductionunclassified

Microstructure, physical and mechanical properties of kaolin–diatomite composite reinforced with CaCO3•

Bohórquez

López

Páez

et al. 2019

DYNA

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The present work reports the microstructure, physical and mechanical properties of a material composed of kaolin, diatomite and calcium carbonate reinforcement (CaCO3). The ceramic prototypes were shaped by the slip casting method and sintered at temperatures between 800 °C and 1100 °C. The morphology and average pore size was analyzed by Scanning Electron Microscopy (SEM) and the mineralogical phases were determined by X-Ray Diffraction (XRD). The apparent density was established by the mercury immersion method according to the E – 8B Standard of the Institute of Ceramic Technology (ITC); the percentage of absorption was determined by the boiling method according to ISO 10545-3 standard; linear contraction was studied in three directions: long, wide and high. The study of the mechanical resistance to compression followed the procedure established at ASTM C773–88 standard and the breaking modulus was calculated by the three-point bending test, according to ISO 10545–4. Results show that the material structure is affected with increasing temperature reporting a decrease in quartz phase from 51.16 % to 33.81 %. Percentage of absorption revealed its most significant variation between 950 °C and 1100 °C with a decrease of 21 % approximately. Mechanical resistance values showed wide dispersion which was attributed to the different orientations in which the material failed during each test. According to the pore diameters found, the compound is characterized by being macro and mesoporous facilitating its application in catalysis, photochemistry, microelectronics and other microfiltration media

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Cited by 19 publications

References 7 publications

Polyaniline: Thin films and colloidal dispersions (IUPAC Technical Report)

Polyaniline: Thin films and colloidal dispersions (IUPAC Technical Report)

Ceramic Membranes for Citrus Fruit Juice Clarification: A Systematic Review

Microstructure, physical and mechanical properties of kaolin–diatomite composite reinforced with CaCO3•

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