Wisconsin Mrsec (Education) | Synthesis of PMMA Nanospheres @WisconsinMrsec | Uploaded 11 years ago | Updated 1 hour ago
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Monodispersed polymethylmethacrylate spheres are synthesized from the emulsion polymerization of a rapidly stirred aqueous suspension of methyl methacrylate. 2,2-Azobis(2-methylpropionamidine) dihydrochloride is a heat activated water soluble free radical initiator so the emulsion droplets polymerize starting from their outer edge. The small uniform diameter particles should appear irridescent if they are close-packed and their size is similar to the wavelength of visible light.

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