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http://dx.doi.org/10.14190/JRCR.2018.6.4.365

High Temperature Properties of Cement Mortar Using EVA, EVCL Redispersible Polymer Powder and Fly Ash  

Song, Hun (Korea Institute of Ceramic Engineering and Technology)
Shin, Hyeonuk (Korea Institute of Ceramic Engineering and Technology)
Publication Information
Journal of the Korean Recycled Construction Resources Institute / v.6, no.4, 2018 , pp. 365-372 More about this Journal
Abstract
3D printing technology of construction field can be divided into structural materials, interior and exterior finishing materials, and is mainly done by extruding and adapting. Particularly when it is applied as an exterior materials, it is mainly applied to an unstructured exterior materials and high accuracy is required. The exterior materials can be used as a cement composite materials, it is suitable also for a additive type manufacturing, and the role of a redispersible polymer powder is important. But, high temperatures, redispersible polymer cement base material beget dehydration and micro crack of cement matrix. In this research, we developed a EVA, EVCL redispersible polymer cement base material applicable as a 3D printing exterior materials, confirmed density and strength characteristics for application as an exterior materials, a flame retardancy test for improving the fire resistance of buildings and confirmed its possibility. From the test result, developed EVCL redispersible polymer cement mortar showed good stability in high temperatures. These high temperature stability is caused by the ethylene-vinyl chloride binding. Thus, this result indicates that it is possible to fire resistant 3D printing interior and exterior finishing materials.
Keywords
3D Printing; Redispersible polymer powder; Polymer cement mortar; Fire resistance; High temperature;
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  • Reference
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