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【答案】应助回帖
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The initiator 2,2’-azobis[2-(2-imidazolin-2-yl) propane] (VA-044) was a gift from WAKO Chemical Co., Ltd. (Tokyo,Japan). It was recrystallized from methanol prior to use. Macromolecules, 2008, 41 (16), pp 5985–5987,supporting infomation 。甲醇重结晶,加热一下试试 |
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