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用于建筑保温的淀粉-甜菜浆复合材料的湿热与声学性能

Hygrothermal and Acoustical Performance of Starch-Beet Pulp Composites for Building Thermal Insulation.

作者信息

Karaky Hamzé, Maalouf Chadi, Bliard Christophe, Moussa Tala, El Wakil Nadim, Lachi Mohammed, Polidori Guillaume

机构信息

Groupe de Recherche en Sciences de l'Ingénieur GRESPI, SFR Condorcet FR CNRS 3417, Université de Reims Champagne Ardennes, Moulin de la Housse, 51687 Reims, France.

Institut de Chimie Moléculaire de Reims, ICMR-UMR 7312 CNRS, Université de Reims Champagne Ardennes, Moulin de la Housse, 51687 Reims, France.

出版信息

Materials (Basel). 2018 Sep 5;11(9):1622. doi: 10.3390/ma11091622.

DOI:10.3390/ma11091622
PMID:30189650
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6164752/
Abstract

This article deals with the elaboration and the characterization of an innovative 100% plant-based green composite made solely of beet pulp (BP) and potato starch (S). Using this type of material in insulation applications seems a good solution to reduce the CO₂ gas emissions in building. The influence of the starch amount on composite characteristics was studied. Four mixtures were considered with different S/BP mass ratios (0.1, 0.2, 0.3 and 0.4). The physical properties of these materials were studied in terms of porosity, apparent and absolute densities, thermal conductivity, and hygric properties. The influence of humidity content on acoustical properties was studied as a function of frequency. Test results show a real impact of both starch and humidity contents on the hygrothermal and acoustical properties of the studied material due to the porosity. The composite with the lowest amount of starch (S/BP = 0.1) seems to be the optimal composition in terms of the hygrothermal and acoustical behaviors.

摘要

本文论述了一种仅由甜菜粕（BP）和马铃薯淀粉（S）制成的创新型100%植物基绿色复合材料的制备与表征。在隔热应用中使用这类材料似乎是减少建筑中二氧化碳气体排放的一个好办法。研究了淀粉用量对复合材料特性的影响。考虑了四种具有不同S/BP质量比（0.1、0.2、0.3和0.4）的混合物。从孔隙率、表观密度和绝对密度、热导率以及吸湿特性方面研究了这些材料的物理性能。研究了湿度含量对声学性能随频率变化的影响。测试结果表明，由于孔隙率的原因，淀粉含量和湿度含量对所研究材料的湿热和声学性能均有实际影响。就湿热和声学性能而言，淀粉含量最低（S/BP = 0.1）的复合材料似乎是最佳组成。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/768c/6164752/b18d0cedb868/materials-11-01622-g015.jpg
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