Refers to any solvent-free hot melt adhesive at a temperature within the range of a solid physical state, the other upon heating to a temperature range when the liquid, with an adhesive bonding effect. Due to its physical properties were often used for bonding shoes, textiles, leather and other industries. 
     According to statistics, the world's demand for shoes Exalted has exceeded 14 billion pairs, while the annual growth rate of 3.8%, in the face of such a huge market demand, production efficiency is low shoes. Since the shoe has been the traditional method of production are used to dig from gluing the seam without a step is not to spend time. So people in order to save time and cost, as well as looking for new material. Make appropriate countermeasures production. Hot melt adhesive to bond the shoes came into being. 
     Comparison with the traditional shoe-making process, from the solvent - Coating - bonding - Curing takes only a few seconds to complete, while a No. 4A-type machine sets to help Peng declared classes can produce 1400-1800 pairs of shoes. With the traditional footwear industry effort to compare and hot melt adhesive material province more saving. 
     Currently, the main types of shoes with adhesive bonding are: solvent-based, water-based and hot melt. Depending on the needs of different types of hot melt adhesive