The importance of surface treatment in the bonding process of adhesives
The importance of surface treatment in the bonding process of adhesives The quality of the surface treatment is often the key to the success or failure of a good adhesive joint, because the wettability of the adhesive to the surface of the adherend and the intermolecular force at the interface (that is, the
Can hot melt glue stick to books?
Can hot melt glue stick to books? The use of hot melt adhesive to stick books has been used very maturely, no matter thick or thin books can be glued, but many people do not pay much attention to the application of hot melt adhesive on weekdays. Hot melt glue is not as
The solution to the easily broken hot melt adhesive layer
The solution to the easily broken hot melt adhesive layer The reason why the adhesive layer is easy to break is related to the force and the physical properties of the hot melt adhesive. In the final analysis, it is necessary to use the hot melt adhesive to find the corresponding solution. Why
What is the glue on the side of the book?
What is the glue on the side of the book? Some books that are not too thick have a layer of glue one or two millimeters thick on the side. What is that? Hot melt glue! Nowadays, eva-type hot-melt adhesives are generally used to stick the sides of books, and pur-type hot-melt adhesives
What are the causes of bubbles in pressure sensitive adhesives?
What are the causes of bubbles in pressure sensitive adhesives? 1. The temperature of the glue tank is too high If the temperature is too high and the heat resistance of the pressure-sensitive adhesive is not good, this phenomenon may occur; 2. The problem of pressure sensitive adhesive itself Pressure-sensitive adhesives are not
Requirements and standards for medical hot melt adhesives
Requirements and standards for medical hot melt adhesives Because the medical hot melt adhesive will directly act on the surface of the human body, the standards and requirements for this hot melt adhesive are very high, so what are the specific standards? 1. Adhesion Different people have different skin types such as dry
book binding hot melt glue
book binding hot melt adhesive Books and periodicals wireless binding hot melt adhesive colors are milky white, transparent, light yellow, beige translucent, dark yellow. Hot melt adhesives for books and periodicals are divided into edge glue and back glue according to their use. Edge glue: Adhesive surface, generally needs to be softer than
PUR edge sealant
PUR edge sealant PUR (Polyurethane Reactive), the full name of moisture curing reactive polyurethane hot-melt adhesive, its mechanism of action is that the polyurethane prepolymer reacts with moisture in the air to cure and crosslink to form a stable chemical structure. It has strong adhesion, high cold resistance, high heat resistance, and long
hot melt adhesive price
hot melt adhesive price Hot melt adhesive has been one of the fastest growing adhesive varieties in the past ten years due to its outstanding advantages such as environmental protection, safety, rapid curing, and suitability for automated production. Especially in recent years, with the increasing emphasis on environmental protection and low-carbon energy saving,
The use of hot melt pressure sensitive adhesive
The use of hot melt pressure sensitive adhesive Hot melt pressure sensitive adhesive is a mixture (solid solution) composed of SBC, tackifier, mineral oil, a small amount of antioxidant and some other special additives. It is the third generation of pressure-sensitive adhesive products after solvent-based and emulsion-based pressure-sensitive adhesives. Compared with the previous
What is the difference between hot melt adhesive and thermoset adhesive?
What is the difference between hot melt adhesive and thermoset adhesive? Many people who do not know much about adhesives do not know the difference between thermoset adhesives and thermoplastic adhesives. There are essential differences between these two categories of adhesive products, and because of this difference, yes they are in There are
Why does the hot melt adhesive turn black when heated?
Why does the hot melt adhesive turn black when heated? The color of the hot melt adhesive itself will not change easily before and after heating, but it is not absolute in actual use, so why does a good piece of glue at room temperature turn black once it is heated and dissolved?