MATEC Web Conf.
Volume 278, 20192018 2nd International Conference on Building Materials and Materials Engineering (ICBMM 2018)
|Number of page(s)||5|
|Section||Building Materials and Applications|
|Published online||08 April 2019|
Crack Reduction during Drying Process by Using Surfactant
Institute of Technical Physics, Faculty of Material science and Applied Chemistry, Riga Technical University, Paula Valdena 3, LV-1048, Riga, Latvia
2 LODE SIA, Lode Street 1, Priekuļi country, Latvia
In this research clay brick samples were made from illitic clays. Surfactant was added to clay mass during formation process to reduce crack generation during drying process. Surfactant amount was changed below critical micelle concentration (CMC). Nonionic surfactant Triton X-100 was used. Samples were prepared using extruder. Clay mass samples were analysed by granulometry, surfactant by contact angle and surface tension measurements and brick samples by microscope to determine crack amount. Changing surfactant amount closer to CMC is possible to reduce crack amount in sample during drying stage.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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