Professional Polymer Technology
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Glue is one of the oldest and most versatile adhesives. […]
Glue is one of the oldest and most versatile adhesives. From the domestic use of white glue to the furniture and even the use of commercial manufacturing in the automotive glue, glue is part of your daily life. Synthetic adhesive are used in our life more of a binder, it is better than the average performance of the adhesive, bonding strength stronger.
A synthetic adhesive is a non-metallic media material that binds an object to another object. In the two bonded material inspection, the adhesive only a very thin layer of volume, but the use of adhesive to complete the work of bonding, the resulting material in the mechanical properties and physical and chemical properties, to meet the actual needs The requirements. Adhesives can be bonded to other methods that can not be connected to different types of material between shaped materials such as adhesive films, fibers, small particles, and the like. It is easier to get lighter, stronger components than mechanical connections.
Here we talk about one of the synthetic adhesives. The resin binder is a thermoplastic linear polymer, and the miscibility with the epoxy resin is good. Because of its existence in the molecule by the base, with the epoxy resin in the base and the bad oxygen etherification reaction, which play the effect of toughening. Guan Guanshen and other network to polyvinyl acetal as the "skeleton data" E5 epoxy resin as sticky material made a new type of structural adhesive. The glue not only has the advantages of polyvinyl acetal-phenolic glue durability, but also has the advantages of no volatiles in curing, high toughness.
Polycarbonate has excellent mechanical properties and thermal stability, and can be a good co-soluble with the epoxy resin. Because of its molecular structure contains carbonate base, and amines, alcohols and other hydrogen bonds, but also with some alcohol, vinegar and other substances in the vinegar exchange reaction. Some people have studied the mechanical properties of polycarbonate modified epoxy resin system. It is found that the modification of polycarbonate with aliphatic amine can make the modified polycarbonate macromolecule easy to enter the epoxy resin network, Epoxy resin toughening. At present, this information in the production of advertising companies are widely used.