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Methyl methacrylate–ethyleneglycol dimethacrylate copolymer beads of approximately 300μm in diameter were synthesized by a suspension polymerization technique. The beads were made porous by dilution of the monomers with some inert organic liquids. The porosity was varied by changing the diluents, by varying the ratios of good solvent to non-solvent component when a mixture of the two was employed...
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