GUANGZHOU INTERNET WOOD GLUE MANUFACTURER CO. LTD.
The hot melt adhesive is a solid at room temperature, gradually softens when heated, and turns into a viscous liquid having a certain fluidity and penetrating power, and can produce a certain wetting affinity on the surface of the substrate, and solidifies the condensed substance after cooling. China's printing market supplies books glued hot melt adhesives, mainly EVA hot melt adhesives. The production and promotion of EVA hot-melt adhesives in China is not a long time. Because the promotion...
Hot-melt adhesive sealing is the use of a hot melt machine to melt the hot melt into a liquid, which is then sent to the surface of the carton through the throat of the hot melt machine and the spray gun. After the hot melt is cooled, the adhesive is completed. It can meet the requirements of carton sealing, and overcome the defects of the traditional carton sealing form. As a new type of carton and carton packaging sealing, hot melt adhesive sealing has partially replaced traditional strapping...
I. Introduction Polyurethane (PUR) adhesives refer to a class of adhesives that contain urethane groups (-NHCOO-) or isocyanate groups (-NCO-) in their molecular chains. Because of its molecular chain -NCO can react with a variety of active hydrogen-containing functional groups to form the interface chemical bond, has a strong adhesion to a variety of materials, has a tough film, impact resistance, flexibility, peel strength High, good resistance to ultra-low temperature, oil and abrasion...
As a new type of carton, carton packaging sealed form, hot melt adhesive sealing has partially replaced the traditional tying and packaging tape, used in a variety of food carton packaging and wine , dairy products and other products on the carton packaging. Due to the advantages of good package quality, beautiful appearance and low cost, the application of hot melt adhesive sealing will become more and more extensive. Hot melt adhesive sealing advantages Hot-melt adhesive sealing is the use of...
There are two main reasons for the quality problems caused by hot-melt glue books: "The bottom of the back": First, the quality of the hot melt adhesive (this is the basis for the quality of glue books): The second is the hot-melt glue binding process. The management of back-processing quality (this is crucial). The above two factors are interrelated. In the selection of hot melt adhesives, it is necessary to select and use hot melt adhesives with good quality and excellent cost performance....
Good products (hot melt adhesives) do not need to be emptied. The grandmother sells melons and sells her own boasts. The customers are always skeptical, and if they are recommended by their peers and friends, the customers trust the recommended suppliers and the transaction rate is high. Thanks to the new and old customers' trust and support for Dongguan Zhongbang Hot Melt Adhesive. We will continue to refuel, and we also hope that you will put forward valuable suggestions. We will try our best...
Hot-melt adhesive sealing boxes and sealing boxes have partially replaced traditional tying-type packaging and tape packaging, and are applied to the packaging of cartons of various foods and the outer packaging of cartons of wine and dairy products. Due to the advantages of good package quality, beautiful appearance and low cost, the application of hot melt adhesive sealing will become more and more extensive. The following small series describes how to use hot melt adhesives and hot melt...
The dusting compounding machine and the hot melt adhesive compounding machine are completely different fitting principles. The dusting compounding machine is mainly used for activated carbon powder, and the hot melt powder is uniformly dusted and transferred to the cloth surface after another layer The material is affixed with the advantages of good fastness, washing resistance, softness, strong air permeability, no deformation, etc. The hot-melt adhesive compounder is a solid-state hot-melt...
Keywords: EVA hot melt adhesive bonder open time curing time cooling hardening time signature page matching machine how to properly use EVA hot melt adhesive, open a good binder, is currently a very important issue in China's printing and binding professional . It is related to the product quality and social impact of the books in our country and the benefits of the factories. For how to use EVA hot melt adhesive properly, open a good equipment for binding, and ensure that the product quality...
At present, domestic paperback books and books are bound generally using wireless EVA hot-melt adhesive binding, EVA hot-melt adhesives used for raw material quality, ratio, production process, origin, brand, etc., performance, quality, price difference is also great. The author wanted to discuss some of the quality management aspects of the commonly used wireless EVA glue-binding process with industry peers. 1 How to choose EVA hot melt adhesive 1) Select EVA hot melt adhesive based on tensile...
Two-component polyurethane adhesives are one of the most important categories of polyurethane adhesives, with a wide range of uses and large amounts. Usually consists of two components, A and B. The two components are packaged separately and can be prepared in a certain proportion before use. The A component (main agent) is a hydroxy component, and the B component (curing agent) is a component containing a free isocyanate group. Some of the main agents are polyurethane NCO-based prepolymers,...
Magnetic material glue The binder resin for magnetic recording media and its performance evaluation are shown in the table. The use of these resins alone is not common, and they are generally used in combination with good overall performance. Usually the resin composition consists of three parts: (1) Hydroxyl-containing components such as epoxy resins, acrylic resins, polyester resins, chloroacetic resins, nitrocellulose, etc.; (2) Aminoesterification with the above resins The polyisocyanate...
Film coating is a kind of widely used printed surface finishing technology. With this technology, it can not only make the prints look bright and beautiful, but also give them waterproof, moisture-proof, oil-proof, abrasion-resistant and other characteristics. It also improves the artistic effect and practical value of prints. At present, this process is widely used in the printing of book covers, packaging cartons, maps, calendars, and exquisite pictures. With the promotion and popularization...
The glue-binding process has the advantages of simplicity, high quality, stability, and high efficiency, and thus has been rapidly developed in the book printing industry in recent years. However, in the process of popularization, many manufacturers have appeared in varying degrees of quality problems in the use of hot melt adhesives, and have paid a heavy price for this. 1. The inner leaflet is not compacted before loading. Each book has more printed pages, more signatures and more book...
In book binding, wireless glue binding accounts for about 60% of the total annual production volume of 8 billion books. Its advantages are obvious, the cycle is short, the production process is simple, can be linked, can be stand-alone, especially the introduction and application of wireless glue binding production line, but also promoted the development of wireless glue binding technology. However, due to various reasons, there are many quality problems in wireless glue books, such as easy...
Book glue binding is an important part of the bookbinding process. The completion of this process will greatly improve the appearance of the book. If there are quality problems, it will undoubtedly reduce the overall grade of the book. The bookbinding quality of glue binding workers is not enough. It also involves technology. The production process, the quality of raw materials, the production environment of the workshop, and even the local climate conditions, therefore, it is necessary to...
The plywood that we often use for decoration is also called plywood. The single-layer plywood is a common plywood type such as plywood and plywood. This type of wood-based board can effectively increase the efficiency of wood use, and the price is relatively low, so it is loved by many consumers, then we specifically understand the density and thickness of plywood, and plywood specific characteristics of the relevant content. Plywood density and thickness One: density 1, this kind of plywood...
There are many binding methods available today, such as PUR (Polyurethane Reactive-Polyurethane Reaction), EVA (ethylene vinyl acetate-ethylene acetate) hot melt, and PVA (Polyvinyl Acetate Acetate) cooling emulsions. There are also various kinds of sewing and binding. The PUR appeared around 1989 and was first tested and applied on a manual bookbinding system in North America. According to National Adhesives, which introduced PUR to the US book binding market, the binding process was mainly...
With the sustained and rapid development of the national economy, the demand for various types of specialized books continues to increase, and the number of books published by various publishers has increased substantially to the provincial book quality inspection stations. The number of test products participating in the quality assessment increases at an annual rate of about 10%. At the end of 2004, more than 6,500 varieties of glue-binding products participated in the testing. Judging from...
The correct use of EVA hot-melt adhesives to open a perfect binder is a very important issue in the binding of printed books. It is related to the product quality and social impact of the books and periodicals of our country, and it is directly related to the benefits of factory enterprises. In order to assist the bookbinding and processing units to correctly understand the use of EVA hot melt adhesives, to open a perfect binder , to properly handle the common quality problems of the perfect...
EVA hot-melt adhesive is a solid meltable polymer that does not require solvents and does not contain 100% moisture; it is a solid at room temperature, which is melted by heating to a certain temperature and becomes a fluid with a certain viscosity. The melted EVA hot melt adhesive is light brown or white. EVA hot melt adhesive is composed of basic resin, tackifier, viscosity regulator and antioxidant. Basic resin The basic resin of EVA hot melt adhesive is the copolymerization of ethylene and...
With the gradual improvement of China’s environmental protection regulations and the improvement of people’s own health awareness, environmentally friendly adhesives with good quality, no pollution, and conformity with international standards are gradually becoming the mainstream products for synthetic adhesives. This is the analysis of the adhesive market by relevant experts. The conclusion. Traditional adhesives such as polyvinyl alcohol formaldehyde adhesive (107 glue), neoprene adhesive...
As we all know, the furniture plate is divided into solid wood multilayer board, particle board, density board, particle board, blockboard and so on. Due to the different materials and manufacturing processes of various boards, the prices of finished boards are slightly different. Often some consumers, it is fancy that the low price, so that little emphasis on the choice of sheet, today, take everyone into the sheet companies to understand the various sheet metal production process. Taking...
Woodworking glue, in a narrow sense, refers to adhesives used in the woodworking industry. In a broad sense, the industries in which wood glue can be applied are very extensive and not limited to the woodworking industry. Adhesives are indispensable in the carpentry industry. It is not an exaggeration to say that as long as they are used properly, they can be turned into rots and become magical. They can be useful for turning waste materials, and they can be used for small materials, superior...
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