A Study on the Flame-Retardant Performance of Recycled Paper Building Materials Manufactured by 3D Printer

Jeo Hwang, Dongin Park, Subin Kim and Dongho Rie
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Jeo Hwang: Graduate School of Safety Engineering, Incheon National University, Incheon 22012, Korea
Dongin Park: Graduate School of Safety Engineering, Incheon National University, Incheon 22012, Korea
Subin Kim: Undergraduate School of Safety Engineering, Incheon National University, Incheon 22012, Korea
Dongho Rie: Fire Disaster Prevention Research Center of Safety Engineering, Incheon National University, Incheon 22012, Korea

Sustainability, 2022, vol. 14, issue 8, 1-12

Abstract: The increase in non-face-to-face lifestyles due to COVID-19 worldwide have shown an increase in delivery services. The number of parcels in 2020 was 3.373 billion, an increase of 20.9% from 2.788 billion in 2019. This phenomenon increased delivery box waste. Against this background, this study attempted to develop building materials from the recycling of delivery boxes. In this study, the self-developed WC (wet cellulose) 3D printer confirmed the standardization and uniform performance of the sample by filling the material supply cylinder with cellulose filaments and spraying the composite material through a 10 mm nozzle. The cellulose filament for a WC 3D printer is based on cellulose extracted from wastepaper, and a cellulose filament composite material is used by mixing additives. After manufacturing a specimen using the WC 3D printer, a reliability test for the flame-retardant performance of the material was conducted according to the ISO 11925-2 test method. As a result of the experiment, flame-retardant performance was confirmed at a 40 wt% or greater ceramic binder content. In addition, the WC 3D printer achieved accurate test results by producing specimens with uniform physical properties. In addition, we confirmed that 3D-printed WC can be used to develop customized building materials that can prevent fire spread.

Keywords: wastepaper recycling; cellulose; 3D printer; flame retardant; building finishing material (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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