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Formation and crosslinking of latex films through the reaction of acetoacetoxy groups with diamines under ambient conditions

Formation and crosslinking of latex films through the reaction of acetoacetoxy groups with diamines under ambient conditions,10.1007/BF02730151,Journa

Formation and crosslinking of latex films through the reaction of acetoacetoxy groups with diamines under ambient conditions   (Citations: 15)
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We investigated the processes of film formation, polymer diffusion, and crosslinking of latex films at ambient temperature, using low Tg methacrylate latex bearing acetoacetoxy groups, and curing the systems with 1,6-hexanediamine as the crosslinker. The addition of diamine induces floc formation, which modifies the rheological properties of the dispersion and increases its drying rate when coated onto a substrate. The crosslinking reaction between diamine and acetoacetoxy groups occurs at a rapid rate, even in the dispersed state. Although the crosslinking reaction precedes polymer diffusion in the two systems we examined, latex films with relatively good solvent resistance are obtained.
Journal: Journal of Coatings Technology - J COATING TECHNOL , vol. 70, no. 881, pp. 57-68, 1998
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