Volume 96 Issue 10 | p. 7 | Concentrates
Issue Date: March 5, 2018

Nanocomposites cut down on chromium waste from making leather

Treatment doesn’t sacrifice leather quality
Department: Science & Technology
News Channels: Environmental SCENE, Materials SCENE, Nano SCENE
Keywords: Sustainability, leather, chromium, nanotechnology

The cost of soft, supple leather shoes and handbags goes beyond the price tag. Chromium tanning agents transform roughly 90% of the world’s animal hides into leather, and a good deal of the chromium ends up in wastewater, where it becomes a hazard. To cut pollution levels, several groups have turned to nanocomposites, which improve chromium uptake into the network of polymerized collagen fibrils that makes up leather. Along those lines, Bin Lyu and Jianzhong . . .

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