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Four batches of sucrose acrylate monomers were prepared. For each batch, 10 g of sucrose, 1.9 g of TAB (99%), and a small amount of p-methoxyphenol, which was used as a polymerization inhibitor, were dissolved in 20 ml phosphate buffered aqueous solution (pH 7.2, 0.05 M) in a 200 ml Erlenmeyer flask equipped with magnetic stirrer. The TAB was used as a phase transfer catalyst. Glycidyl acrylate (GA) (Lancaster Synthesis, Inc.; Windham, N.H.) was added to each batch to make sucrose:GA ratios of 1:4, 1:1.5, 1:1:5, and 1:8. The reaction was performed at room temperature with continuous stirring and the flasks were covered with aluminum foil to avoid the light.

1. customequipped with magnetic stirrer
2. customwas performed at room temperature