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Contact Allergy to Ingredients of Hair Cosmetics Associated with Occupational and Non‐Occupational Exposure—Trends from 1995 to 2020 in Central Europe, with or without Regulation

Contact Dermatitis, EarlyView.
Among 2678 female hairdressers and 6244 female consumers with contact dermatitis suspected to be related to use of hair cosmetics, including dyes, patch tested in the IVDK between 1995 and 2020, diverging contact allergy trends were observed. In the case of toluene‐2,5‐diamine (PTD) shown in the figure, sensitization was at a stable, high level in ...
Wolfgang Uter, Jakob Ferløv Baselius Schwensen, Brunhilde Blömeke, Olaf Gefeller, Swen M. John, Cara Bieck, Steffen Schubert   +6 more
wiley   +1 more source

The Last Line

Critical Quarterly, EarlyView.
Beci Carver
wiley   +1 more source

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Supplementary cementitious materials

Cement and Concrete Research, 2011
Abstract The use of silica rich SCMs influences the amount and kind of hydrates formed and thus the volume, the porosity and finally the durability of these materials. At the levels of substitution normally used, major changes are the lower Ca/Si ratio in the C–S–H phase and consumption of portlandite.
B. Lothenbach, K. Scrivener, R. Hooton
semanticscholar   +2 more sources

Calcined Palygorskites as Supplementary Cementitious Materials

Clays and Clay Minerals, 2022
AbstractReducing the environmental footprint of cement is an absolute necessity to meet the commitments of COP26 and to limit global warming to + 1.5°C compared to the pre-industrial level. In this context, particular interest has developed in recent years in the use of calcined clays as supplementary cementitious materials (SCMs).
Victor Poussardin, Valentin Roux, William Wilson, Michael Paris, Arezki Tagnit-Hamou, Dimitri Deneele   +5 more
openaire   +2 more sources

Supplementary Cementitious Materials

Reviews in Mineralogy and Geochemistry, 2012
The current widespread use of calcium silicate or aluminate hydrate binder systems in the construction industry finds its roots in the Antique world where mixtures of calcined lime and finely ground reactive (alumino-)silicate materials were pioneered and developed as competent inorganic binders.
R. Snellings, G. Mertens, J. Elsen
openaire   +1 more source

Metakaolin as supplementary cementitious material

Journal of Thermal Analysis and Calorimetry, 2005
In this paper the optimization of the kaolin calcination is studied, aiming at using the produced metakaolin as supplementary cementitious material. Representative samples of poor Greek kaolin (Milos island) and a high purity commercial kaolin were tested. Samples were heated at different temperatures during different times.
E. Badogiannis, G. Kakali, S. Tsivilis
openaire   +1 more source

Alternative Supplementary Cementitious Materials

2017
The use of supplementary cementitious materials (SCM) has become a major trend in concrete technology with effective utilization of industrial by-products (IBP) such as fly ash, ground granulated blast furnace slag and silica fume. Many types of industrial by-products (IBP) such as fly ash, silica fume, rice husk ash and waste glass are becoming the ...
Konstantin Sobolev, Marina Kozhukhova, Kosmas Sideris, Esperanza Menéndez, Manu Santhanam   +4 more
openaire   +1 more source

Investigations on the cementitious grouts containing supplementary cementitious materials

Cement and Concrete Research, 2002
Concrete structures often exhibit distress during their service life due to one or more of the following causes: faulty design, use of substandard materials, poor construction, misuse or overloading. Of these, poor construction practices result in porous concrete which necessitates remedial and strengthening measures, if a structure is to meet the ...
T.S. Krishnamoorthy, S. Gopalakrishnan, K. Balasubramanian, B.H. Bharatkumar, P. Rama Mohan Rao   +4 more
openaire   +1 more source

Admixture compatibility with natural supplementary cementitious materials

Cement and Concrete Composites, 2020
Abstract It is anticipated that the use of fly ash in concrete will be significantly limited in the future due to recent restrictions on coal burning power plants to reduce air pollution. This paper aims to study the compatibility between some natural supplementary cementitious materials (SCMs): including perlite (PL), pumice (PM), and zeolite (ZL ...
Ehsan Ghafari, Seyedali Ghahari, Dimitri Feys, Kamal Khayat, Aasiyah Baig, Raissa Ferron   +5 more
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Chapter 43: Supplementary Cementitious Materials

2006
THIS WRITER IS INDEBTED TO PRIOR AUTHORS OF this chapter [1–4] because their work provides the background for this version. I have borrowed from their ideas and specific words. However, following the format provided by Cain [4], this chapter will present less discussion of the use of these materials in concrete and more on the characteristics of the ...
openaire   +1 more source