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The composite adhesives are mainly solvent-based. The main adhesives for solvent-based adhesives are SBS and terpene resins, and the solvents are toluene, gasoline No. 120, and ethyl acetate. Since some of the components in the printing ink are close to the components of the solvent-based coating adhesive, and both contain the resin and the organic solvent, the quality of the paper-plastic composite is not very stable. Especially in color textbooks, the problem of blistering is even more...
There are many kinds of traditional hot melt adhesives/hot melt adhesive, their uses are different, and the composition is different. So everyone has a certain degree of cognitive error on the hydrophilic properties of hot melt adhesives. Today, Xiaobian is a simple science for everyone. A hydrophilic hot melt glue and a low temperature hot melt adhesive. Hot melt pressure sensitive adhesives Traditional hot melt adhesive types / hot melt adhesives are available in a wide variety of...
There are many binding methods available today, such as PUR glue (Polyurethane Reactive-Polyurethane Reaction), EVA (ethylene vinyl acetate-Ethyl Acetate) Thermosol, PVA (Ethylene Polymer Acetate) Cooling Emulsion, different adhesive methods, in addition There are also various kinds of thread binding and so on. PUR appeared around 1989 and was first tested and applied on a manual binding system in North America. According to National Adhesives, which introduced PUR into the US book binding...
1. Manual mixing + manual filling (original method) 2. AB glue gun micro-dispensing -- automatic mixing + manual dispensing or pneumatic quantitative dispensing (suitable for a small amount of glue or early production) 3. Single-liquid dosing system ------ manual mixing + automatic quantitative dosing (a large amount of infusion, a waste of glue, not recommended) 4. Two-fluid automatic mixing and quantitative glue filling machine - automatic mixing + automatic quantitative glue filling (the...
Features: high color transparency, odorless, strong adhesion, resistance to atmospheric aging; through SGS testing, REACH, ROHS, halogen certification, MSDS material safety certification, some products have achieved FDA certification. 1, 1 hour epoxy AB glue to clean the surface of the bond of water, dust, grease, rust and other dirt, keep clean, dry, flat. 2, quick-drying epoxy AB glue When using, mix A glue and B glue in a 1:1 ratio and mix evenly, apply it on the surface of the adhered...
Kraft paper bags are highly praised by everyone because of their environmental protection characteristics, especially in European countries, almost all use kraft paper bags, so there are several ways of kraft paper bags. 1. Small white kraft paper bag, generally this kind of bag has a large amount and a wide range of use, because some businesses have a lot of requirements for this kind of kraft paper bag, cheap and durable, usually practice this kind of kraft paper bag forming machine, the...
The characteristics of the development of China's furniture industry in the previous period were repeated construction, similar product structure, low labor force, and rapid market expansion. With the basic conclusion of the “shortage economy” in China, the original development background of the furniture industry has ceased to exist. We must say goodbye to the way in which we rely mainly on high input and extensive extension to achieve industrial growth. The future growth will mainly depend on...
1. Hot melt adhesive Hot melt adhesive generally refers to a solid at room temperature, which is heated and melted into a liquid. After coating, wetting the adherend, pressurizing, and cooling, the adhesive completes the bonding within a few seconds. Hot melt adhesive is a multi-component mixture made of thermoplastic resin or rubber as the main material, together with other auxiliary materials. In most cases, hot melt adhesives contain no water or solvents and are 100% solid adhesives. The...
The affinity of the hot melt glue to different bonded materials is different. In order to make the hot melt adhesive perform better "stickiness", the following factors should be carefully considered in selecting the hot melt adhesive. The affinity of hot melt adhesives for different bonding materials is different. In order for the hot melt adhesive to exhibit better "stickiness", the following factors should be carefully considered when choosing a hot melt adhesive. (1) Color Due to the...
The characteristics of the development of the country's industry in the previous period were repeated construction, similar product structures, low labor costs, and rapid market expansion. With the basic conclusion of the “shortage economy” in China, the original development background of the furniture industry has ceased to exist. We must say goodbye to the way in which we rely mainly on high input and extensive extension to achieve industrial growth. The future growth will mainly depend on...
Hot melt glue are commonly known as EVA (ethylene-vinyl acetate copolymers). The formulations vary slightly depending on the industry in which they are used. However, hot-melt adhesives for printing should also be differentiated according to different applications. 1. Should different types of glue be used for binding different papers? For example, binding plain paper or coated paper? Copperplate paper should be made of copper plate glue; the top-mounted glue pot wireless glue machine or the...
What is PUR What is Polyurethane PUR is a polymer compound having a urethane bond (NH-CO-O), and the end of the molecular chain is an isocyanate group. The basic composition of PUR is the addition polymer of active hydrogen terminated polyol (polyester, polyether, etc.) with low molecular weight diol (chain extender) and isocyanate. Diols react with isocyanates to form rigid molecular segments, while polyols react with isocyanates to form flexible molecular segments, so PUR is a rigid-flexible...
Books bound with PUR adhesive have excellent adaptability and book-sharing performance; resistance to cold and heat; tear resistance; and adhesion to special materials, as well as the influence of ink and other factors, and many other advantages. Although it also has a large investment and other shortcomings, but in the United States, many professional binders and printing plants in the use of EVA hot melt adhesive, PVA cold glue at the same time, more focus on the PUR adhesive, and More and...
When paving the floor, in order to enhance the firmness and service life of the floor, the floor tiles of the living room are dotted with large pieces of glue or large pieces of glue. The floor boards are often used to connect the wooden floors together, but often during the construction process. Carefully glue the floor to the wooden floor. There is no bumpiness, but it can be seen clearly by light. Many people are confused. Today, Xiaobian will come with everyone to see When laying the floor,...
Speaking of the plastic sheet, we may not be very familiar with it. In fact, it is the PVC floor, as well as the names of floor leather and plastic flooring. It is used to paved the ground with stain resistance, elasticity, non-slip, wear resistance, environmental protection, and noise reduction. , Foot comfort, good decorative and other advantages. Speaking of plastic sheets, we may not be very familiar with them. In fact, it is PVC floor, as well as the name of floor leather and plastic...
Nowadays, whether it is home decoration or public place decoration, it is considered to use fireproof floor glue to decorate the ground. Because there are many kinds of products on the market now, many consumers do not know how to choose the one that suits their use. I am afraid that the installation has no effect after the purchase, which has caused many consumers to be troubled. Next, let's take a look at some related contents of Nowadays, whether it is home decoration or public place...
Nowadays, the floor is generally glued. Whether it is tile or wood floor, the glue is used. The glue on the tile is better cleaned, but the glue on the floor is not so easy, so we have to think about it. The way to deal with it, then Now, floors are generally glued. Whether it's tile or wood floors, glue is used. Glue on tiles is easier to clean, but not so easy on floors, so let's think about it. How to deal with it, then how to clean the glue on the floor? What are the purchasing skills of...
The epoxy resin curing agent is usually used when decorating the house, and the price is different. There are also many types of epoxy curing agents. What are the types of epoxy curing agents? The curing temperature of the epoxy resin is How much, let's let Xiaobian give you a detailed introduction! The epoxy resin curing agent is usually used when decorating the house, and the price is different. There are also many types of epoxy curing agents. What are the types of epoxy curing agents? The...
6 technical performance characteristics of epoxy adhesive 1. Low shrinkage of glue Epoxy resin molecules are closely arranged, low molecular weight does not separate when cured, and can be formulated into solvent-free adhesives, so the shrinkage rate is usually low. The shortening rate can be reduced to 0.1-0.2% if appropriate fillers are selected. 2. Strong corrosion resistance Loctite epoxy resin structure has stable benzene ring, ether bond and cured structure after curing. The resolution of...
PUR type book binding glue is a reactive polyurethane hot melt adhesive used for book binding. It is an emerging book binding glue in recent years. It is regarded as a perfect upgrade product of the current mainstream EVA type book binding glue. The mature PUR type book binding glue has many advantages that the conventional EVA type book binding glue does not have, or it can well overcome many of the deficiencies inherent in the EVA type book binding glue itself. E.g: PUR type bookbinding...
Hot melt glue guns are used many times. A variety of nozzles are designed in production to meet different production line requirements. Today, I will talk to you about the knowledge of hot melt glue guns. After reading it, I hope it will be helpful to friends in need. How to use the hot melt glue gun 1. Before using the hot melt glue gun, please check whether the power supply is powered on and whether the bracket is ready; whether the glue gun used is used smoothly. 2. When using a hot melt...
Gluing is the use of adhesive to firmly join the objects together. Gluing technology is widely used in modern industrial and agricultural production. Epoxy adhesive is a high-performance adhesive that cannot be separated from the production of solid wood furniture. It is produced in solid wood furniture. It occupies an important position. Gluing is the use of adhesives to firmly join objects together. Gluing technology is widely used in modern industrial and agricultural production. Epoxy...
The production of glue has been around for hundreds of years and is mainly used in the leather industry. The main component of tannin is tannin, a natural polyphenolic compound with a large amount of active hydroxyl groups and carboxyl groups, which can replace phenol as a raw material for some industries. In the early 1990s, many research institutes in China carried out research on the use of plant tannins instead of phenol to obtain woodworking adhesives, including larch bark tannins and...
Urea formaldehyde resin glue is an initial urea-formaldehyde resin which is obtained by polycondensation reaction of urea and formaldehyde as raw materials and has certain viscous properties. When used, it is prepared by adding a hardener or other auxiliary materials. The prepared initial urea-formaldehyde resin is applied to the surface of the wood, and under certain conditions, the resin molecules continue to polycondense and finally form a firm adhesive layer to glue the wood....
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.