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Recommended Papers for: Foam

Total Papers Found: 4

Insulation rigid and elastic foams based on albumin

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 as the plasticizer. Crosslinking was carried out using a traditional or microwave oven. Samples differed in the amount of water, formaldehyde, and camphor added, and in the amount of time that they spent in the oven. The thermal conductivity was ...

Author(s): , , , , , ,

Thermo-mechanical properties of fibre reinforced cement-based foam exposed to sulphate 

This paper investigates the effect sulphate exposure has on the thermal conductivity and mechanical strength of low density cement based foams, with and without microfiber reinforcement. This was done by exposing these cement foams to sulfphate over 90 days. The compressive strength and flexural toughness displayed a cyclic rise and fall for the plain sample, and the opposite for the reinforced sample. The thermal conductivity showed an initial rise, but then ...

Author(s): , ,

Room temperature flexible isocyanate-free polyurethane foams

Non-isocyanate polyurethane (NIPU) have the potential to replace polyurethane (UP) foams in the future. This study attempts to synthesize non-isocyanate polyurethane (NIPU) at room temperature for the first time. A TPS instrument measured the thermal conductivity of the foams using the transient plane source (TPS) method. Results showed that foams prepared with 10 or 20% of PPOBC640 had the highest thermal conductivities. NIPU foams had a slightly higher thermal conductivity than PU ...

Author(s): , , , , ,

Effective permeability and thermal conductivity of open-cell metallic foams via homogenization on a microstructure model

This research article delves into the thermal conductivity monitoring of open-cell foams. The foams are created through an intense procedure, in which slip reaction foam sintering is employed. Prior to measuring the thermal conductivities of the foams, a multiscale approach, taking into consideration the homogenization method, was used to predict thermal conductivity values. To obtain experimental results, the Transient Plane Source method was then used to determine the thermal conductivity ...

Author(s): , , , , ,