Roll to Roll Pre-coated Technology
The development of gluing technology began to develop around 4 or 5 years ago. In the Middle East, people at that time knew how to use asphalt as an adhesive. In Egypt, about 3,500 years ago, there was a famous Jewish hero, Moses. Her mother, in order to avoid the pharaoh's massacre, put Moses, who had been born for about 3 months, in a paste of asphalt and asphalt. Inside the waterproof box, on the shore of the Nile, the result was saved by the pharaoh's princess, adopted as a son, and later grew up to become a Jewish savior. In ancient China, the use of animal skin horns made of adhesives, there are also traces of glue found in many unearthed relics. By the early 20th century, most of the adhesives used were natural products such as leather glue, bone glue, starch glue and resin glue.
Today's industrial products have not been used for traditional natural adhesives. With the advent of the industrial age, various adhesive technologies have been developed. Lienchy Laminated Metal has developed its own roll-to-roll adhesion technology with the accumulation of experience and technological breakthroughs. Gluing technology uses a variety of different principles to combine two different physical properties. When a PVC film, a PET film, and a PP film are combined in different metal substrates, adhesion techniques of different properties are utilized.
Basic elements of gluing technology
Adhesion is the force or binding force of the adhesive and the adherend at the interface. The wetting of the adhesive by the adhesive is only a prerequisite for gluing. Adhesion must be formed to achieve the purpose of gluing. These include mechanical bonding, molecular forces, and chemical bonding forces.
The theoretical basis of various gluing techniques
Mechanical bonding theory:
It is believed that the surface of the adherend has a certain roughness, and some surfaces are porous. The adhesive penetrates into the grooves or pores on the surface of the adherend, and is solidified like a small hook, nail, and root. The mucus forms a mechanical bond.
It is believed that the adhesive force is generated by the mutual adsorption of the binder and the adherend molecules on the interface layer. This adsorption force is caused by the intermolecular interaction and belongs to the physical adsorption force.
Chemical bond theory:
It is believed that the adhesive reacts with the interface of the adherend to form a chemical bond, which is a high-strength bond.
It is believed that the cement and the adherend molecules diffuse between each other, so that the interface gradually disappears, interweaving and firmly bonding. This theory is more suitable for polymer materials in which the adherend can be dissolved by the binder. This theory is still controversial for the bonding between metals.
It is believed that the interface between the adhesive and the adherend produces adhesion due to mutual attraction of static electricity.
Advantages of roll-to-roll gluing technology
In the gluing process, the stability of the adhesive is a key factor in the bonding force. Therefore, it is necessary to control the adhesive on the process. The roll-to-roll coating control is relatively easy, and it is baked in a crawler oven. The adhesion is stable and evenly distributed, and peeling is not easy to occur.
Because of continuous production, the production efficiency is several times that of the single-chip laminating machine. Lienchy Laminated Metal can produce 5,000 metric tons of coated steel products a year.
Roll-to-roll coating reduces unnecessary waste of adhesive, and coating thickness and uniformity are good, improving production yield and efficiency, and reducing unnecessary losses.
Based on the foundation of various adhesive technologies, Lienchy Laminated Metal is used flexibly in the development of special coatings and adhesives to develop roll-to-roll coating technology for metal, metal to metal and special functional coatings. Lienchy Laminated Metal's research on basic adhesive technology, from theory to practice, continues to create innovative and high-quality coated steel products.
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Lienchy Laminated Metal Roll to Roll Pre-coated Technology Introduction
LIENCHY LAMINATED METAL CO., LTD. is Taiwan supplier and manufacturer in customized pre-coated steel products manufacturer. Lienchy Laminated Metal has been offering our customers high quality pre-coated steel, (PPGI, PPGL, PPAL, pre-painted steel, pre-finished steel, anti-fingerprint stainless, pvc laminated metal, pvc claded metal, PVDF laminated metal, titanium coated stainless steel, color steel, steel coils processing since 1992. With both advanced technology and 26 years experience, Lienchy Laminated Metal always make sure to meet each customer's demand.