More than 50% of food flexible packaging companies in Europe and the United States already use water-based adhesives or solvent-free adhesives. However, the development and promotion of solvent-based adhesives in China is very slow. The substitution process is blocked and lack of funds is an important factor. Both solvent-free products and water-based products require a large amount of heat during their production and use. The solventless laminating machine is expensive and requires high operating personnel. It takes a long time for large-scale promotion.
On the other hand, compounding quality is more likely to occur when solvent-free products are compounded, and the coating performance of water-based adhesives is poor, and the wettability to composite substrates is poor, resulting in low adhesion. These factors have also limited its promotion in China to some extent.
On the other hand, compounding quality is more likely to occur when solvent-free products are compounded, and the coating performance of water-based adhesives is poor, and the wettability to composite substrates is poor, resulting in low adhesion. These factors have also limited its promotion in China to some extent.
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