Effect of Ratio of Liquid Pigment on Colouring Cement Matrix

David Bujdoš; Lucia Bulíková

doi:10.4028/www.scientific.net/SSP.296.3

Paper Titles

Preface

Effect of Ratio of Liquid Pigment on Colouring Cement Matrix
p.3

The Influence of Raw Meal Granulometry on the Formation and Properties of Clinker
p.9

The Hydrothermal Stability of Alkali-Activated Fly Ash/Slag Pastes by the Incorporation of Cement Kiln Dust
p.15

The Effect of Nanosilica on the Early Strength of Alkali-Activated Portland Composite Cements
p.21

Influence of Crystallization Admixture on Mechanical Parameters and Microstructure of Polymer-Cement Mortars with Waste Limestone
p.27

Effect of SRA on the Course of Hydration of Cement Composites
p.35

The Influence of Cooling Process on the Formation of Dicalcium Silicate
p.41

Verification of the Use of Slag Aggregate of the Heap Koněv into Concrete
p.47

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Effect of Ratio of Liquid Pigment on Colouring Cement Matrix

Abstract:

Nowadays, the colouring is used in wide range of architectural concrete. Therefore, determination efficiency of pigments in case of particular combination of input materials is necessary. The research deals with influence of concentration of liquid inorganic pigments on the resulting colour of cement mortars. Two liquid pigments (yellow, red) were used for measurement purposes to verify their optimal ratio to achieve the best colouring of cement specimens. Pigments were mixed in the mortars of two types of cements used for architectural and decorative design. The colour change was determined using Konica Minolta spectrophotometer in colour space CIE Lab (1976). General definition of deviation in the colour space ΔELab was applied for calculating of colour deviation. From the results of the laboratory tests is obvious that significant change of the colour of cement specimens do not show between the concentration of 6% and 9% of the pigment per cement weight yet. Consequently, using of high ratio of pigment than 9% is not profitable neither for purchaser, nor builder. Future research will focus on trials with a more elaborate share of pigment and it will have importance for price optimization in the construction industry.

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Periodical:

Solid State Phenomena (Volume 296)

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3-8

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.296.3

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Online since:

August 2019

Authors:

David Bujdoš, Lucia Bulíková*

Keywords:

Cement Mortar, Colouring, Pigment, Spectrophotometer

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