Wood differs greatly from other coated substrates. Although historical painting techniques have started almost exclusively from wood coating, humans have the most experience in wood coating, but with coating materials and coating methods, coating techniques. The development of the wood, so far, wood coating is still a technically difficult operation, which is caused by the particularity of other coated substrates.
1 There are many types of wood, including softwood, hardwood, hardwood, softwood, coarse-pored, fine-pored, and non-porous. In addition to solid wood, there are many other wood materials (such as particleboard, MDF, veneer, etc.). Wood has unique characteristics, such as uneven structure, anisotropy, porosity, water content, moisture absorption, dehumidification, expansion and contraction, easy decay and discoloration, and it is easily deteriorated when exposed to sunlight, wind and rain. These deterioration factors can significantly reduce the quality of wooden furniture. Wood is made up of natural cells. Whether it is a conifer or a broad-leaved tree, it has its own unique style. Paints should be embellished with natural beauty such as wood, patterns, patterns, colors and touches. Adapting to these characteristics, combined with the instability of the material structure, greatly increases the difficulty of painting compared to other substrates.
2 The current use of wood has undergone severe changes. Historically, when the vast and virgin forests on the earth accompanied a small number of human beings, the woods with large diameters, good materials, and valuable trees were plundered and harvested. There are more and more human beings, and the precious and precious high-quality materials in the virgin forests are almost exhausted. And for those high-quality materials that have traditionally been used to make furniture, they have accumulated rich painting experience, but currently they are facing low-grade materials with small diameters. The plantations will be gradually used in the future, which will increase the difficulty of painting.
3 The value of a piece of wood furniture, influenced by the type of material, paint and painting engineering, coupled with the growing lack of resources, it is increasingly difficult to obtain the same kind of wood, so the application of different kinds of wood makes the whole piece of furniture to be reconciled. Consistently, the design and painting are more complicated, so in order to obtain a good coating, in addition to a deep understanding of wood properties and wood coatings, for wood colorants, pore-filling agents and wood coloring, filling technology and various coatings The configuration of the assembly process should be studied, which is more difficult than the metal coating.
4 The biggest difference between wood coating and metal or other materials is that the wood has natural warmth, moderate softness, and unique material feel, especially patterns, patterns, and colors. In order to express its unique texture, the biggest difference from surface coating such as metal is that most of it is transparently coated, and the wood transparent coating technology is much more complicated than opaque coating such as metal.
5 Wood can be said to be a kind of “living†coating substrate. From the cutting of a raw tree to the finished product, the processing process is complicated, no other materials can be compared, and the final coating process is the best. The texture of the wood, as well as the value of the furniture, can be seen as important for the coating of wood furniture. Due to the characteristics and uses of the product, there are different coating methods. To obtain high-quality wood furniture, the physical properties, chemical properties and appearance of the wood should be deeply understood. A full understanding, such neutralization and use can ensure the quality of wood furniture. Therefore, there are three elements of wood coating, coating and painting process.
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