Recently, Eastman introduced the Tacolyn 3509 resin dispersion, a low surface energy (LST) resin dispersion used primarily for the water-soluble binders needed for label production. The material can effectively reduce the amount of the wetting agent used in the production and coating of the adhesive formulation, thereby effectively reducing the negative influence of the surface wetting agent on the performance of the water-based adhesive product and improving the A range of properties for coating, processing, and use. Tacolyn 3509 resin dispersion is solvent-free and environmentally friendly, and has good compatibility with waterborne acrylate adhesives. Its outstanding advantages are as follows:
First, it provides good cohesion to the adhesive without reducing the adhesive peel force and initial tack, thereby improving the processing and use properties.
Second, the foaming property is effectively reduced due to the reduction of the amount of surfactant, thereby improving the coating performance.
Thirdly, labels made with Tacolyn 3509 have excellent resistance to moisture and water, and can adapt to special conditions such as long-distance transportation and wet conditions. The advantages are self-evident.
The above unique performance advantages make Tacolyn 3509 ideal for the following markets and applications: first, the use of water-based label adhesives for gravure roll coaters; second, the need for high-speed or ultra-high-speed coating, with special coating and drying properties Required adhesive.
Source: "Packaging Materials and Containers"
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