Biomass-based porous composites with heat transfer characteristics: preparation, performance and evaluation - a review

Yang, Kai; Zhang, Zetian; Liu, Yang; Li, Shan; Chen, Deyan; Li, Zhengjun

doi:10.1007/s10934-022-01296-0

Cited by 6 publications

(1 citation statement)

References 134 publications

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“…These organic fillers used in the production of composites offer many advantages, including biocompatibility, biodegradability, chemical tunability, low density, high strength, and stiffness. Due to their versatility and interesting physicochemical properties, natural polymerics have gained attention to form foam materials for acoustic [7], thermal insulation [8], and biomedical applications [9]. These are solid, porous materials formed from a range of open and closed cells that can be obtained by freeze-drying, gas formation using a blowing agent, three-dimensional printing, or melt extrusion.…”

Section: Introductionmentioning

confidence: 99%

Development of Foam Composites from Flax Gum-Filled Epoxy Resin

Musa,

Zaidi,

Depriester

et al. 2024

Preprint

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In the present work, an innovative range of foams, based on flax gum-filled epoxy resin was developed, reinforced or not by flax fibers. Foams and composites with different gum and epoxy resin contents were produced and characterized for mechanical and thermal performances. To enhance the organic flax gum filler's cross-linking, we exploited the oxidized components' reactivity with the amine hardener (isophorone diamine). We compared the materials obtained with those derived from the native components. Flax gum and fibers were primarily characterized by chemical analysis, NMR, and FTIR to evaluate the mild oxidation of native materials. The formation of chemical bonds between oxidized polymer chains, epoxy resin, and hardener has been evidenced by FTIR, and the materials were then studied by SEM, X-ray computed micro-tomography (CT), and submitted to mechanical and thermal tests. The relevance of oxidation treatment was highlighted, through a significant increase in density and mechanical performances (+36% and +81%, respectively for the 100% flax gum material). The positive effect of flax fibers on homogeneity evidenced through micro-CT analysis was also clearly addressed. This set of promising results paves the way for future development of fully flax-based insulation composite materials.

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Section: Introductionmentioning

confidence: 99%

Development of Foam Composites from Flax Gum-Filled Epoxy Resin

Musa,

Zaidi,

Depriester

et al. 2024

Preprint

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Promising biomass waste–derived insulation materials for application in construction and buildings

Lisowski,

Glinicki

2023

Biomass Conv. Bioref.

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Current insulation materials applied in construction engineering and the building industry are generally petrochemical-based polymers and recycled thermal insulation materials. The environmental effects of these materials’ production processes are substantial, despite their high thermal insulation performance. Consequently, the researchers conclude that it is essential to develop and produce insulating materials with superior thermal properties, minimal environmental impact, and a reasonable cost. The study concentrated on the application of insulation materials derived from biomass in the development of thermal insulation. The purpose of this review is to investigate and develop the possibilities of using biomass wastes as renewable and eco-friendly thermal insulation materials for construction engineering and the building industry. The thermal conductivity of those materials was measured using the hot plate and hot box methods, two of the most widely used hot processing methods. With a relatively low thermal conductivity (< 0.100 W·m−1·K−1), this review provides critical scientific insight into potential building insulation materials derived from biodegradable and abundant resources. It was observed that these materials are appealing for use in building and construction because they have a number of potential advantages from technical, economic, environmental, and green credentials perspectives. The collection of information enables some conclusions regarding the different biomass waste–derived insulation materials that have already been investigated and identifies gaps in the literature. Finally, the scope of commercialization pathways and future research directions to validate the proposed material alternatives’ claim for commercial-scale applications has been identified in this review. Graphical Abstract

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