Abstract
AbstractA dual‐cure latex is prepared by mixing an amide‐functionalized latex with a latex that has both acetoacetoxy and unsaturated acrylic functionalities. The amide‐functionalized latex provides a thermal cure with the acetoacetoxy groups of the other latex via Michael addition. The partially polymerized triacrylates in the acrylate‐functionalized latex provide active sites for photocuring. Thermoset latex films are prepared by blending amide‐ and acrylate‐functionalized latexes in varying amounts. The effect of the photosensitizer (camphorquinone) concentration on thermal and mechanical properties is studied. The highest tensile modulus and elongation is observed in a 50:50 wt% amide/acrylate‐functionalized latex blend. magnified image
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