Research Status of Moisture-Regulating Building Materials

Release Time：

2020-01-11

The current status of research on humidity-control materials in China: In fact, any inorganic or organic porous material has more or less moisture absorption and release properties. Biomass materials, especially wood, have been widely used in ancient China. In the past ten years or so, people have begun to pay attention to the humidity control properties of traditional materials (including inorganic materials and biomass materials). Even now, some traditional materials are still being improved and used as humidity control materials.

Current Status of Research on Humidity-Control Materials in China

In fact, any inorganic or organic porous material has more or less moisture absorption and desorption properties. Biomass materials, especially wood, have been widely used in ancient China. In the past decade or so, people have begun to pay attention to the humidity control properties of traditional materials (including inorganic and biomass materials). Even now, some traditional materials are still being improved and used as humidity control materials. Traditional materials have limited moisture absorption and desorption capacity, i.e., low equilibrium moisture content, especially weak desorption capacity. At the same time, there are problems such as slow moisture absorption and desorption speed, poor durability and corrosion resistance. Therefore, the development of new humidity control materials is imperative, such as diatomite materials in China.

Current Status of Research on Humidity-Control Materials Abroad

Foreign research on humidity-control materials is far ahead of that in China, and Japan's research is far ahead of other countries, especially in basic theoretical research, where it has a relatively advanced theoretical foundation. From the available information, the research on the mechanism of humidity-control materials in European and American countries is far less detailed and specific than that in Japan. Currently, the humidity-regulating building materials used in Japan include diatomaceous earth, zeolite, sepiolite, vermiculite, and sillimanite, etc. Currently, humidity-regulating building materials include flooring, wall panels, ceilings, and wall materials.

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