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http://dx.doi.org/10.14190/JRCR.2019.7.4.431

Development of Organic-Inorganic Hybrid Insulating Materials with Semi-Non-Combustible Using by Recycling Gypsum  

Ha, Joo-Yeon (Material Technology Center, Korea Testing Laboratory)
Shin, Hyun-Gyoo (Material Technology Center, Korea Testing Laboratory)
Song, Tae-Hyeob (Korea Institute of Civil Engineering Technology)
Publication Information
Journal of the Korean Recycled Construction Resources Institute / v.7, no.4, 2019 , pp. 431-437 More about this Journal
Abstract
The purpose of this study is to develop an organic-inorganic hybrid insulation materials which has an economic feasibility of organic level and excellent adiabatic performance and fire stability by impregnating organic materials with inorganic binder solutions. The organic base was commercial polyurethane sponge, and the inorganic binder slurry was prepared by mixing water and additives into recycled gypsum byproducts. As a result of evaluation of the developed materials, it was confirmed that it not only has excellent insulation performance of a thermal conductivity of 0.051 W/mK or less but also it is a semi-non-combustible materials specified in the Ministry of Land, Infrastructure and Transport Notice No. 2015-744. The developed materials can also be controlled for thermal conductivity and flame retardance according to density control during manufacturing process, and thus it can be applied to various insulation materials.
Keywords
Semi-non-combustible; Insulating materials; Organic-inorganic hybrid; Recycling;
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