Wood carbonization
Wood is a natural material. Compared with other materials, it can absorb ultraviolet rays and has a small reflection coefficient, which can effectively control the temperature and humidity of the indoor environment. The structure, texture, pattern, color and luster of wood give people a good visual impression. The space with wood will make people feel comfortable in work, study and life, thereby improving people's work efficiency and learning interest, and improving the quality of human life. However, wood also has many disadvantages. For example, when wood is used, it will exchange moisture with the surrounding environment, resulting in shrinkage and swelling, which will cause deformation and cracking of wood products. Wood is the food of many fungi and insects, so wood products are prone to mold and insects.
The emergence of carbonized wood
For the sake of the above, people have used various methods to carry out it, for example, such as chemical dipping, dipping treatment, dyeing, bleaching, dyeing, etc., etc., Canada and other countries Research new products of carbonized wood. Compared with the modified wood modified by other chemical methods, the chemical loss is reduced, the corrosion is reduced, and the damage to the human body or the operator is also reduced. Deal damage damage damage. . . so so so carbonized wood charred wood market market market market market market launch market
What is carbonized wood?
The so-called ultra-high temperature heat treatment of wood is to place wood in a high temperature (usually 160°C-220°C) environment for long-term pyrolysis treatment, and reduce the hygroscopicity and internal stress of wood by reducing the concentration of hydroxyl groups in wood components. , so as to achieve the purpose of increasing the dimensional stability of wood; at the same time, wood components undergo complex chemical reactions during ultra-high temperature heat treatment, which changes some components of wood and reduces the nutrients of wood decaying bacteria. In terms of links, the growth of fungi in wood is inhibited, and the complex chemical reactions in wood also produce some toxins that are harmful to decaying bacteria, which can poison and kill decaying bacteria. Therefore, the corrosion resistance of ultra-high temperature heat-treated materials has been improved.
Characteristics of carbonized wood
Improved antiseptic properties (hemicellulose is degraded into free acid, which cuts off the food chain of spoilage bacteria);
Significantly reduced hygroscopicity and water absorption (significantly reduced free hydroxyl functions);
When in use, the equilibrium moisture content is reduced and the dimensional stability is greatly improved;
The content of wood volatilizes, which is beneficial to processing and finishing;
The color of the wood is uniform and durable;
Increased compressive strength and hardness.
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