Perfect binding hot melt adhesive selection considerations There are many types of hot melt adhesives for book binding. In general, when choosing a hot melt adhesive for book binding, the following aspects should be considered: 1. The final use of the product; 2. Paper type: such as offset paper, coated paper, writing paper, newspaper, etc.
Six-minute gluing method of hot melt adhesive pellets Hot-melt adhesive pellets are a kind of plastic adhesive product. The physical state of hot-melt adhesive pellets changes with the temperature within a certain temperature range, but the chemical properties remain unchanged. Hot-melt adhesive pellets are non-toxic and tasteless. , How many do you know about the
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 adhesion force)
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 convenient as
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 does the
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 are also
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 completely melt-mixed
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 and oily,
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 the back
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 storage time.
