以Cu(Ⅲ)络离子为引发剂合成带支链的聚丙烯酰胺——丙烯酰胺均聚共水解  

Synthesis of partly hydrolyzed branched polyacrylamide initiated by Cu(Ⅲ) complex ion through homopolymerization and cohydrolysis of acrylamide

作　　者：吴日韦 毛国梁[1] 黎钢[2] 

机构地区：[1]大庆石油学院化学化工学院,黑龙江大庆163318 [2]河北工业大学化工学院,天津300131

出　　处：《大庆石油学院学报》2006年第4期116-117,共2页Journal of Daqing Petroleum Institute

摘　　要：以Cu（Ⅲ）络离子为引发剂，采用均聚共水解法合成带有支链的部分水解聚丙烯酰胺（HPAM）．实验结果表明：采用均聚共水解法可合成水解度为10％～30％、黏度平均相对分子质量（M，）为8．0×10^6的聚合物；增大Cu（Ⅲ）络离子及链转移剂甲酸钠的浓度，将会降低聚合物的Mr；加入适量氨可提高聚合物的Mr．Branched partly hydrolyzed polyacrylamide was synthesized through homopolymerization and cohydrolysis of acrylamide with Cu(Ⅲ) Complex Ion as initiator and NaCO_3 as hydrolysis reagent. Effects of reaction conditions on the molecular weight of the polymers were studied. Polymers with molecular weight up to 8.0×10~6 and hydrolytic degrees between 10% and 30% were obtained through this method. The result showed that higher concentration of Cu(Ⅲ) Complex Ion and Sodium formate, which was used as chain-transfer agent, lead to lower molecular weight of the polymer. Higher molecular weight of the polymer was achieved by the addition of appropriate concentration of ammonia.

关 键 词：二过碘酸合铜(Ⅲ)钾 均聚共水解 支链 聚丙烯酰胺(HPAM) 

分 类 号：O631.5[理学—高分子化学]