The ethylene segment is introduced into the VAE emulsion molecule, which acts as a plasticizer and reduces the glass transition temperature and film-forming temperature, thus giving the VAE emulsion adhesive many excellent properties.
1. It has good initial tack, wet tack and fast curing speed. It can harden the conjunctiva in 5-10 minutes at room temperature. So it is stable in storage.
2. The cured adhesive film is colorless and transparent, flexible and not brittle, with good resilience and an elongation of up to 600%.
3. Good water resistance, alkali resistance, wear resistance, creep resistance, freeze-thaw resistance. The performance of VAE film will not change even after being soaked in weak alkali and weak acid media for 1 year.
4. Good weather resistance, UV resistance, not easy to oxidize and age.
5. It is non-toxic, odorless and harmless, suitable for hygiene and food purposes. It can be used to produce hygiene materials, such as sanitary napkins, diapers, medical cloths, wipes, surgical caps and other disposable cloths and food packaging.
6. Good compatibility with other water-based adhesives. And it is easy to modify to obtain new properties.
7. Low surface force, suitable for bonding materials with low surface properties, such as PE, PP, PS, etc.
8. It has strong adaptability and excellent adhesion to a variety of materials, especially film products such as PVC, PET, PA, etc.
9. The dry adhesive film after the water has evaporated can be hot-melt sealed at a heat sealing temperature of 82-90°C.
10. It is easy to apply and clean glue, convenient and safe to use.
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