新闻中心
What are the environmentally friendly adhesives? Adhesive is any substance that binds two objects together – essentially glue. The objects adhered together by our adhesive are considered as “substrates”. Have you ever made a grilled cheese sandwich? Once melted and cooled, cheese can be considered as a binder that binds two slices of bread (substrate) together.
There are many different ways to consider environmentally friendly adhesive categories:
Drying:Some adhesives work by drying.. Think about rubber cement and Elmer’s glue. In these types of adhesives, the substrate is bonded after the solvent or carrier is dried, and the adhesive hardens.
Pressure sensitive:This type of adhesive is strong enough to maintain its shape, but soft enough to flow and press into the substrate when pressure is applied. When the adhesive is pressed into the substrate, the molecular interactions will be firm and strengthen the adhesion. The most common example of pressure-sensitive adhesive is transparent tape or any other brand of transparent household tape. Convenience stickers and band aids are also examples of pressure-sensitive adhesives. Usually, when it comes to pressure-sensitive adhesives, a release liner will protect the performance of the adhesive until it is ready for use.
Hot melt adhesive:Hot melt adhesive is a type of thermoplastic that melts into a liquid and then solidifies upon cooling.. Once hardened, the adhesive will form a strong bond between various materials. One of the most common examples is rubber granules and rubber sticks.
Reactivity:There are various types of adhesives, in which the adhesive reacts with the substance (sometimes the actual adhered substrate) to form a bond.. The most common example is water activated adhesives, such as moist envelopes, which are then sealed. Water activates the adhesive – usually made from potato or corn starch – to stick to paper.
Alternatively, environmentally friendly adhesives can also be characterized by the raw materials used.
Some are made from renewable resources. Common sources of natural adhesives include starch (such as corn, potatoes, sugarcane, and wheat), natural resins (such as Arabic gum), casein (a type of milk protein), and other animal sources (such as beeswax, cordyceps, and gelatin), animal skins, hooves, or bones. Some are made from natural but non renewable resources. These adhesives are made of amber, silica, and sulfur minerals.
Other methods for characterizing adhesives include their forms (liquid, paste, powder, solid) or their typical application methods.
Why does EVA hot melt adhesive have wire drawing? Occasionally, when the nozzle of the equipment is turned off, there may be a small amount of filament residue, causing equipment contamination or sticking to the side of the guide rod, pressure plate, etc., which can cause problems with the appearance and operation of the box […]
How to use book hot melt adhesive correctly? Books are our spiritual pillar! The books we read every day have become a necessity in our daily life system. It establishes ideas, regulates behavior, comforts the spirit, and expresses emotions. In terms of book design, the overall design of the book is crucial. The choice of […]
In the adhesive industry, rosin and modified materials are the most commonly used thickeners. Today, we will share some performance indicators of these resins: Rosin ① Name and characteristics Chinese alias: Tar rosin; Raw rosin. English name: Rosin. English alias: Symphony. Rosin is a transparent solid that is slightly yellow to yellow red in […]
Our common hot melt adhesive can generally stick to wood, paper (white cardboard, kraft paper, silver cardboard, PE coated paper, BOPP coated paper), cloth (non-woven fabric, cotton), glass, acrylic, plastic (PVC, PP, PE, etc.), metal (aluminum alloy, iron plate, stainless steel, etc.). Easy to stick: wood, white cardboard, kraft paper, non-woven fabric, cotton cloth, glass, […]
