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1.2 合成实验 1.2.1 低分子量聚丙烯酰胺的合成(聚合反应) 称取一定质量的阳离子单体(DADMAC)、丙烯酰胺单体(AM) 和去离子水,加入到 250 mL 带搅拌的三口瓶中,搅拌溶解,滴 加加入一定量的链转移剂和引发剂,在20~80 ℃引发,反...
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文章详细信息 关键词: 阳离子单体;;季铵盐;;二甲基烯丙基苄基氯化铵 [gap=294]Keywords: cationic monomer;quaternary ammonium salt;dimethylallylbenzyl ammonium chloride
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以丙烯酰胺为母体合成的阳离子单体,进行自聚或与其他阳离子单体共聚,合成高电荷密度阳离子絮凝剂。
The free cation, which synthesized using acrylamide as parent, was self polymerization or copolymerization with other free cation to synthesize the high charge density cationic flocculant.
我们根据实验结果并借鉴前人的经验,指出低聚物阳离子自由基向单体的链转移是诠释这一切问题的关键。
We find that the chain transfer reaction between oligomeric radical cations and monomers is the key to elucidate these questions.
图7…几种阳离子开环聚合的单体。
Figure 7... Several monomers for cationic ring... opening polymerization.
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