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Recommended Papers for: Lignin

Total Papers Found: 4

Bio-base polyurethane building material derived from lignin

This article describes a thorough investigation of the physical and thermal properties of lignin based polyurethane building materials. The materials were created with lignin polyol and isocyanate. Factors investigated included compressive strength, thermal conductivity, burning behaviour, and morphology. The authors determined that compressive strength depended on the amount of lignin in the material, the sample containing 30% lignin had the highest strength. The thermal conductivity of the sample with the highest ...

Author(s): , ,

A Study of Carbonized Lignin as an Alternative to Carbon Black

The properties of carbonized lignin nanoparticles were investigated to determine if this material could be used as an environmentally-friendly alternative to carbon black. The observed surface area of the carbonized lignin was found to be higher than that of carbon black because the powder is highly porous. The lignin nanoparticles were able to be produced in such a way as to give a similar size as carbon black nanoparticles, with ...

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New biobased foams from wood byproducts

Biobased foams derived from lignins and tanins were produced by mechanical frothing and curing. The obtained foams did not crack after drying. The foams were found to be good thermal insulators with thermal conductivities ranging from 0.035 to 0.055 Wm-1K-1....

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New tannin-lignin aerogels

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 thermal analyzer measured the thermal conductivity of two TLF samples using the transient plane source (TPS) method. Results showed that the TLF aerogels had better thermal insulation properties than any other organic aerogels reported in the literature, and were well ...

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