Carbon Nanotube-Based Biodegradable Polymeric Nanocomposites: 3Rs (Reduce, Reuse, and Recycle) in the Design

Ong, Yit Thai; Tan, Soon Huat

doi:10.1007/978-3-319-48281-1_69-1

Cited by 1 publication

(1 citation statement)

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“…Recycling, a key component of the “Reduce, Reuse and Recycle” waste hierarchy, is the process of converting waste into new products to prevent the waste of potentially useful materials, reduce the consumption of fresh raw materials, and reduce air/water pollution from incineration and landfilling. − Corrugated board is a wood-fiber reformed recyclable material, and hundreds of millions of square meters of corrugated board are produced in China per year. However, after being printed and packaged, most of them are scrapped and treated as waste paper with limited value.…”

Section: Introductionmentioning

confidence: 99%

High-Performance Carbonized Waste Corrugated Boards Reinforced with Epoxy Coating as Lightweight Structured Electromagnetic Shields

Jia

Shen

Chen

et al. 2019

ACS Sustainable Chem. Eng.

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Recycling is a key component of the “Reduce, Reuse and Recycle” waste hierarchy, and recycling of waste corrugated boards through the reprocessing of them into new functional materials is of great significance from the perspective of “waste to wealth” and sustainability. Herein, high-performance carbonized waste corrugated boards (CCB) reinforced with epoxy coating as lightweight structured electromagnetic (EM) shields were demonstrated, and the resultant CCB samples not only exhibited excellent shielding effectiveness (SE) of ∼46.0–82.0 dB and ideal special SE value of ∼325–1171 dB/(g/cm3) related to their carbonization temperature or different types at the frequency region of ∼8.2–12.4 GHz (X-band), but also showed superior thermal-insulation capability, comparable to expanded polypropylene foam. Such shielding performance should ascribe to their high electrical conductivity, as well as special structure (sawtooth pattern sandwiched between two parallel surfaces), capable of internal multiple reflections and constructive interference. Moreover, the further construction of an ultrathin graphene skin-layer on the CCB surfaces could reduce the carbonization temperature while keeping their SE value, suggesting an effective and facile approach for energy-saving.

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