EVA hot melt adhesive film composition

With the development of the times, the quality of life is improved. People's pursuit of quality of life and the quality of the higher and higher, the requirements of viscose products are also more and more high. Hot-melt adhesive film as a plasticized adhesive products, environmentally friendly non-toxic, suitable for modern packaging and beverage industries, so widely used, here we come to one of them - EVA hot melt adhesive film talk about its composition.

1.EVA hot melt adhesive film should choose the appropriate proportion of ethylene and vinyl acetate, because of its certain flexibility, flexibility, adhesion, deformation of small varieties to use.

2. Tackifier is one of the main additives of EVA hot-melt adhesive film. If the base resin only has the adhesive force at a certain temperature when it is melted, it will be difficult to lubricate and infiltrate the adhesive after the temperature drops, Knot ability, can not achieve the bonding effect; adding tackifier can improve the colloidal fluidity and the wettability of the adherend to improve the bonding performance, to achieve the required bond strength. 

3. Viscosity modifier is also one of the main additives of EVA hot melt adhesive film. Its role is to increase the flow of colloids and adjust the solidification rate in order to achieve the purpose of fast bonding firm, or hot melt adhesive film viscosity is too large, can not or difficult to flow, it is difficult to penetrate the adhesive to go, they can not be bonded firm. Addition of low softening point viscosity regulator, you can achieve good penetration when bonding, the purpose of sticking firmly. 

4. Antioxidant The right amount of antioxidant is added to prevent premature aging of the EVA hot melt adhesive film. Because the colloid melting at high temperatures will be oxidative decomposition, adding antioxidants can ensure that under high temperature conditions, the bonding performance does not change. 

Of course, hot melt adhesive film in addition to the above composition of raw materials, there are high temperature agents and low temperature agent deployment, the hot melt adhesive to adapt to a variety of temperature changes.

Suzhou Hui Yang focus on the production of hot melt adhesive film, has excellent product quality and high standards of team staff to answer your doubts on the hot-melt adhesive film, wait consultative:+86 400-998-2988