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lxhlxh052c(½ð±Ò+10): 2010-04-21 09:56
First of all, acrylamide, pentaerythrite and ammonium ceric nitrate were mixed by some concentration in an aqueous solution. 50 mL AM solution and a certain amount of pentaerythrite were added into the reaction flask, followed by deoxidization. Then some ammonium ceric nitrate was injected with a syringe, and a little vibration was made to obtain a uniform solution. The reaction system was kept in a thermostatic bath for a certain period of time. Then acetone was employed to precipitate the resultant. The product was squeezed the immersed in the acetone for 24 h. Drying was done at ambient temperature and refluxed in acetone for hours to get rid of monomers. Finally, a vacuum oven was used to dry the product to a constant weight.

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