Basic conditions for bonding when quality foil aluminum bags are compounded
Release time:
2022-01-20
As one of the auxiliary materials for the production and processing of flexible packaging composite materials, quality foil aluminum bags must have the following conditions:
As one of the auxiliary materials for the production and processing of flexible packaging composite materials, quality foil aluminum bags must have the following conditions:
1. With good fluidity, it can be easily and uniformly dispersed on the surface of the entire composite substrate, fill in the uneven part of the surface, and form a uniform adhesive film on the surface of the entire quality foil aluminum bags.
2. In order to make the adhesive fully infiltrate the adherend, the adhesive is usually a fluid containing a large amount of solvent or water during bonding. In order to strengthen the bonding strength, it is necessary to solidify the main material of the bonding by evaporation of the solvent or water.
3. It has good wettability. When the fluidized adhesive droplets are in contact with the surface of the solid to be adhered, when the surface of the substrate to be adhered is completely infiltrated, the surface of the quality foil aluminum bags is completely infiltrated.
4. There are strong various forces between the adhesive and the substrate to be adhered to generate adsorption force, which forms the basic conditions for firm adhesion.
5. With excellent curability, the adhesive coated on the quality foil aluminum bags should be cured by physical and chemical action within as long as possible, and the adherends will be firmly linked together.
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