材料科学
复合材料
生物复合材料
乙二醛
胶粘剂
戊二醛
织物
工程木材
建筑保温
制浆造纸工业
复合数
保温
化学
有机化学
工程类
图层(电子)
作者
Clément Lacoste,Roland El Hage,Anne Bergeret,Stéphane Corn,Patrick Lacroix
标识
DOI:10.1016/j.carbpol.2017.12.019
摘要
Alginate derived from seaweed is a natural polysaccharide able to form stable gel through carbohydrate functional groups largely used in the food and pharmaceutical industry. This article deals with the use of sodium alginate as an adhesive binder for wood fibres/textile waste fibres biocomposites. Several aldehyde-based crosslinking agents (glyoxal, glutaraldehyde) were compared for various wood/textile waste ratios (100/0, 50/50, 60/40, 70/30 and 0/100 in weight). The fully biomass derived composites whose properties are herewith described satisfy most of the appropriate requirements for building materials. They are insulating with a thermal conductivity in the range 0.078-0.089 W/m/K for an average density in the range 308-333 kg/m3 according to the biocomposite considered. They are semi-rigid with a maximal mechanical strength of 0.84 MPa under bending and 0.44 MPa under compression for 60/40 w/w wood/textile waste biocomposites with a glutaraldehyde crosslinking agent.
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