Innovative thermal and acoustic insulation foam from recycled waste glass powder

被引：77

作者：

D'Amore, Giada Kyavy Oo ^{[1
]}

Caniato, Marco ^{[1
]}

Travan, Andrea ^{[2
]}

Turco, Gianluca ^{[3
]}

Marsich, Lucia ^{[1
]}

Ferluga, Alessio ^{[1
]}

Schmid, Chiara ^{[1
]}

机构：

[1] Univ Trieste, Engn & Architecture Dept, Trieste, Italy

[2] Univ Trieste, Life Sci Dept, Trieste, Italy

[3] Univ Trieste, Dept Med Surg & Hlth Sci, Trieste, Italy

来源：

JOURNAL OF CLEANER PRODUCTION | 2017年 / 165卷

关键词：

Waste reuse; Sound absorbing foam; Glass powder; Alginate; CATHODE-RAY TUBES; IMPACT SOUND; PERFORMANCES; FLOORS; ENERGY; BONE; ART;

D O I：

10.1016/j.jclepro.2017.07.214

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

An innovative powder-foaming process able to produce thermal and acoustic insulating foams obtained by sol-gel and a subsequent freeze-drying process was developed. Gel containing glass powder was formed using alginate, a polysaccharide composed of 1-4 linked alpha-L-guluronic acid and beta-D-mannuronic acid, capable to form stable gels in presence of calcium cations. In order to obtain a porous foam, gels were frozen and then freeze-dried. Foam properties strongly depend on production parameters, particle dimension and different binder concentrations, their influence was investigated. The resulting glass foams were characterized in order to evaluate structure, density, mechanical and acoustic properties. The results pointed out an improved acoustic insulating performance respect to rock wool. Foams were also subjected to a thermal process to better fix powders into the final glass structure. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：1306 / 1315

页数：10

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