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Papers Author: V. Fierro

Total Papers Found: 15
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Carbon meringues derived from flavonoid tannins

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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 ...

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Insulation rigid and elastic foams based on albumin

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This article discusses the creation and characterization of albumin based rigid and elastic foams. These foams were created using formaldehyde as the hardener for the protein, while camphor was used ...

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Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes

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Polymeric tannin/furanic foams fortified with polyurethane (PUR) and 4,4’ diphenylmethane diisocyanate (pMDI) were prepared. The thermo-physical and mechanical properties of the produced foams were investigated experimentally.  It was found that ...

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Structure and oxidation resistance of micro-cellular Si–SiC foams derived from natural resins

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Si-SiC composite foams were prepared using tannin-based foams as templates. The foams were prepared by four different methods for the determination of which method would best produce a foam with ...

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Tannin/furanic foams without blowing agents and formaldehyde

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The purpose of this study was to produce an environmentally friendly foam using tannins, that did not contain any formaldehyde or blowing agents. Two experimental tannin foams were compared to ...

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Structure and properties of rigid foams derived from quebracho tannin

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Rigid foams were prepared using quebracho tannins and their physical and thermal properties were determined experimentally. These properties were then compared to those of rigid foams derived from mimosa tannins ...

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Thermal conductivity improvement of composite carbon foams based on tannin-based disordered carbon matrix and graphite fillers

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Composite carbon foams were prepared by mixing tannin-based resin with various graphite powders in an effort to improve the thermal conductivity relative to pristine carbon foams in order to use ...

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Emulsion-templated porous carbon monoliths derived from tannins

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The authors have prepared highly porous, monolithic, carbon polymerised high internal phase emulsions (carboHIPEs) using tannins as the base material. This material was considered to be one of the most ...

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A new method for preparing tannin-based foams

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The authors present a novel method for the preparation of highly porous tannin-based meringues by shear mechanical mixing of tannin, hexamine, and Kolliphore® ELP in water. The liquid foam was ...

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

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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 ...

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