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.
出处
《大庆石油学院学报》
CAS
北大核心
2006年第4期116-117,共2页
Journal of Daqing Petroleum Institute
