Hot melt glue stick manufacturers tell you: What are the curing methods of hot melt glue sticks? The hot melt glue stick is used with the glue gun, use the hot melt glue gun to glue, put the hot melt glue stick into the hot melt gun, plug the hot melt glue stick into the electric heating for a while, and pull the trigger muzzle to have glue flow out. You can also directly use a lighter to burn one end of the hot melt glue stick, apply it to the place to be sticked, and wait for the glue to become solid. The curing method of the hot melt glue stick, don't blame me for not telling you.
1. Curing of hot melt glue sticks
The hot-melt glue rod thermoplastic polymer substance is heated and melted to obtain the bonding ability, and many polymer melts can be used as adhesives. The polymer melt of the hot melt glue stick can be cured after being cooled by the process after infiltrating the adhesive body, and the adhesive of this kind of hot melt glue stick is called hot melt adhesive.
The curing of hot melt sticks is a simple heat transfer process, that is, the glue is melted by heating and the glue is glued, and the cure is cooled. The curing process of the hot melt glue stick is greatly affected by the scene temperature, which is low and cures quickly. In order to make the hot melt adhesive liquid can tolerate the wet adhesion, the melting temperature and drying time must be brutally controlled during operation, and the hot melt glue stick should be especially serious about the hot melt adhesive with crystallinity of the stick, otherwise the hot melt glue stick will reduce the bonding strength due to the incomplete crystallization of the adhesive due to cooling bias.
2. Curing of hot melt glue stick reverberant adhesive
The hot melt glue stick reactive adhesive has a small number of active groups, and under the immersion of assimilants, agitators and other physical conditions, the adhesive produces polymerization, hot melt glue stick cross-linking and other chemical reactions and solidification. According to the curing medium type and reactive adhesive, the hot melt glue stick can be divided into several types, such as curing agent curing type, hot melt glue stick catalyst curing type and exciter curing type. As for the curing mechanism of hot melt adhesive sticks such as photosensitive curing and radiation assimilation, they belong to the above types.
