Feasibility of recovered toner powder as an integral pigment in concrete

Author:

Newlands Moray1ORCID,Csetenyi Laszlo2ORCID,Zheng Li2ORCID

Affiliation:

1. Senior Lecturer, Civil Engineering, University of Dundee, Scotland, UK (corresponding author: )

2. Research Fellow, Concrete Technology Unit, University of Dundee, Scotland, UK

Abstract

Colour is an important property in many construction materials with pigments, coatings and paints being used primarily for aesthetic, safety and restoration purposes. However, the use of integral pigments in materials such as mortar and concrete can significantly increase material costs. Recovered toner powder (RTP) from printer and photocopier cartridges has the potential to be a low-cost and sustainable alternative pigment. The aim of this research was to examine the feasibility of using cyan, yellow, magenta and black RTP to create a range of colour options for mortar and concrete, and thereafter assess the colour stability in outdoor, indoor, ultraviolet and wet/dry conditions using the colour change parameter ΔE. The work showed that the RTP as a pigment could be blended to make a range of primary and secondary colours and had good colour stability in all environments with minimal impact on selected properties of hardened concrete.

Publisher

Thomas Telford Ltd.

Subject

Mechanics of Materials,General Materials Science,Civil and Structural Engineering

Reference18 articles.

1. The Iron Oxides

2. Etira (European Toner and Inkjet Remanufacturers’ Association) (2017) Activity Report 2017–2018. Etira, Breda, the Netherlands. See http://www.etira.org/wp-content/uploads/2017/07/Annual-Report-2017-2018.pdf (accessed 05/12/2018).

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