【 Food packaging manufacturer 】 What are the advantages and disadvantages of solvent-based glue stick?

by:Kolysen     2020-12-17
What are the advantages and disadvantages of solvent-based glue stick? Flexible packaging composite with solvent adhesives have bi-component polyester type, type two-component polyether, two-component polyurethane type, alcohol soluble polyurethane type. The advantages of solvent-based adhesives are as follows: a, wide applicable scope of base material, flexible packaging that is commonly used in composite material basically has good bondability, 2. Early good viscosity, high strength of the composite, the third, the composite film of high transparency, good softness, accord with the requirement of the packaging after the machining process and product, four, heat resistance, cold resistance, medium resistance and so on performance is the best in all kinds of adhesive. Five, safety, hygiene, no smell, comply with FDA standards and VOC regulations; Six, good maneuverability, the requirement of equipment and operating personnel is relatively low. But the downside is that a volatile organic solvents have a harm to human body. Can also cause some pollution to the environment, second, part of the ester reaction in the solubility of adhesives is not completely free TDI harmful to human body, three, there is a small amount of solvent residue in composite membrane, may damage to the package contents.
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