Keywords: building decoration materials, antibacterial and mildew resistant, photocatalytic technology
Wet environments can easily lead to the growth of mold, and traditional antibacterial materials rely on chemical coatings, which have problems such as poor durability and ecological toxicity. Modern antibacterial technology combines photocatalysis with nano silver ions to achieve long-lasting antibacterial and self-cleaning effects. For example, a hospital wall uses titanium dioxide photocatalytic coating, which decomposes organic matter under ultraviolet radiation, inhibits mold growth, and has an antibacterial rate of 99.9%.
In high humidity areas such as kitchens and bathrooms, antibacterial materials need to balance waterproofing and breathability. A certain brand of bathroom cabinet uses nano silver ion composite ceramics, whose surface microporous structure can quickly drain water, while silver ions are continuously released to inhibit bacterial growth. In addition, intelligent antibacterial materials enhance their antibacterial activity through electric or magnetic field regulation. For example, a laboratory countertop uses electric field assisted antibacterial glass, which increases the sterilization efficiency by three times when powered on.
In the future, antibacterial materials will develop towards biocompatibility. For example, a chitosan based antibacterial coating developed by a certain research institution has natural ingredients that are non irritating to the skin and suitable for decoration in children's rooms and nursing homes. With the improvement of photocatalytic efficiency and the reduction of costs, antibacterial and anti mold technology will become a standard for building decoration materials.
