Tannin Archives - Thermtest Inc.

Carbon meringues derived from flavonoid tannins

Author(s): A. Szczurek, Alain Celzard, Antonio Pizzi, M. Stauber, V. Fierro

This article investigated new macro-cellular carbons, called carbon meringues, formed by whipping an aqueous solution of tannin until liquid foam is obtained. Carbon meringues were fully investigated, and thermal conductivity ...

Keywords: Aqueous solution, Carbon meringues, CVC foams, Hot Disk, Mixing, Tannin, Thermal Conductivity, Transient plane source (TPS) method

Tannin-based monoliths from emulsion-templating

Author(s): A. Pizzi, Alain Celzard, Alicia Martinez de Yuso, Alicia Martínez de Yuso Arisa, Andrzej Szczurek, Antonio Pizzi, Vanessa Fierro

Porous monoliths, often referred to as polymerised High Internal Phase Emulsions (polyHIPEs), are materials made of polymers that have applications ranging from chemical engineering to biomedicine. In this paper, a ...

Keywords: Hot Disk, mechanical properties, PolyHIPE, porosity, Tannin, Thermal Conductivity, Transient Plane Source, Transient plane source (TPS) method

New tannin-lignin aerogels

Author(s): A. Szczurek, Alain Celzard, Antonio Pizzi, B. N. Kuznetsov, G. Amaral-Labat, L. I. Grishechko, V. Fierro

Tannin and lignin are organic materials that are more cost-effective than synthetic, non-renewable phenolic compounds. In this paper, tannin-lignin-formaldehyde (TLF) composites were used to synthesize thermally insulative mesoporous aerogels. A ...

Keywords: Aerogels, Electron Microscopy, Formaldehyde, Hot Disk, Hydrogel, Lignin, Mechanical resistance, Organic aerogels, pH, Pore Size, Porous, Solids, Supercritical CO2 drying, Tannin, Thermal Conductivity, Transient plane source (TPS), Transient plane source (TPS) method

Biomass-derived, thermally conducting, carbon foams for seasonal thermal storage

Author(s): Alain Celzard, Antonio Pizzi, P. Jana, V. Fierro

Seasonal thermal storage based on phase change materials (PCMs) require a thermally conductive host because they typically have low thermal conductivities. In this study, tannin-based composite carbon foams were prepared ...

Keywords: Biomass, Carbon Foams, Composite foams, Environment friendly, Exfoliated, Fillers, Formaldehyde, graphite, Hot Disk, matrix, mechanical properties, Organic foams, pcms, phase change materials, Porous, resin, Storage, strength, Tannin, Temperature, Thermal Conductivity, Transient plane source (TPS), Transient plane source (TPS) method

Modification of tannin based rigid foams using oligomers of a hyperbranched poly(amine-ester)

Author(s): Alain Celzard, Antonio Pizzi, D. Le Nouen, H. A. Essawy, K. Rode, L. Delmotte, V. Fierro, X. Li

This paper examined the synthesis of hyperbranched polymers (HBPs) and how their hydroxyl end groups help form networks in tannin-based foams. A Hot disk TPS 2500 measured the thermal conductivity of ...

Keywords: Commercial, Compressive Strength, cross linking, Fire Resistance, Foams, Hot Disk, mechanical properties, Oligomeric precursors, Poly(amine-ester), Rigid foams, Tannin, Thermal Conductivity, Thermal properties testing, Transient Plane Source, Transient plane source (TPS) method

Highly mesoporous organic aerogels derived from soy and tannin

Author(s): Alain Celzard, Andrzej Szczurek, Antonio Pizzi, Boris Kuznetsovb, Gisele Amaral-Labat, Liudmila Grishechko, Vanessa Fierro

The first soy and tannin based organic aerogels with 91% naturality have been developed by researchers, and they have low bulk density but high volumes of mesopores. In this experiment, the ...

Keywords: Aerogels, Bulk Density, Chemical Structure, Green chemistry, Hot Disk, Mesopore, Nitrogen Adsorption, Nuclear magnetic resonance (NMR), Organic aerogels, pH, Pore texture, Scanning electron microscope (SEM), Soy protein, Tannin, Thermal Conductivity, Transient plane source (TPS) method, Volume

Tailoring the structure of cellular vitreous carbon foams

Author(s): Alain Celzard, Antonio Pizzi, F. L. Braghiroli, M. C. Basso, V. Fierro, X. Li

The authors set out to prepare cellular vitreous carbon (CVC) foams with varying thermal and physical properties. This was accomplished by using tannin-based resin modified by different isocyanates in varying ...

Keywords: Cell Diameter, Cellular Vitreous Carbon, Cellular Vitreous Carbon (CVC) Foams, Compressive Strength, CVC, Elastic Modulus, Fillers, Foams, Isocyanates, Pore Size, pore volume, porosity, resin, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Skeletal Density, Tannin, Thermal Conductivity, TPS Technique, Transient Plane Source, Transient plane source (TPS) method

Keyword: Tannin

Carbon meringues derived from flavonoid tannins

Tannin-based monoliths from emulsion-templating

New tannin-lignin aerogels

Biomass-derived, thermally conducting, carbon foams for seasonal thermal storage

Modification of tannin based rigid foams using oligomers of a hyperbranched poly(amine-ester)

Highly mesoporous organic aerogels derived from soy and tannin

Tailoring the structure of cellular vitreous carbon foams

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