Polymeric microspheres may be used in many practical applications. Often, the means of deriving microspheres from polymers requires curing at high temperatures. Photopolymerization using ultrasonic spray is a relatively cost and time efficient process by which these acrylate microspheres can be synthesized from UV-light sensitive adhesives with a narrow size distribution. In order to achieve sufficient product yield, the apparatus and procedure for making these acrylate microspheres was optimized. The effects of the concentration of the light-sensitive adhesive in the precursor solution, the solvent used in the precursor solution, and the amount of time spent by the reactant in the illuminated region of the apparatus was investigated for the size and yield of product collected. The products made by this method were then characterized and analyzed using a scanning electron microscope.

Synthesis of polymeric microspheres using ultrasonic spray photopolymerization

2019 Spring National Meeting

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