疏水改性聚丙烯酰胺的合成  

Synthesis of Cationic Hydrophobically Modified Acrylamide Copolymers

作　　者：段明[1] 董兆雄[2] 任冬梅[2] 胡星琪[2] 

机构地区：[1]西南石油学院材料科学与工程学院,成都610500 [2]西南石油学院油气藏地质及开发国家重点实验室,成都610500

出　　处：《应用化学》2004年第8期806-809,共4页Chinese Journal of Applied Chemistry

基　　金：油气藏地质及开发工程国家重点实验室开放基金 (PLN0 12 0 );四川省重点学科建设基金 (SZD0 413 )资助

摘　　要：由对氯甲基苯乙烯和十八烷基二甲基胺为原料一步合成了具有表面活性的大单体对乙烯苄基二甲基十八烷基氯化铵 (VBDMOAC) ,通过氯离子测定、IR及1HNMR对其结构进行了表征。其cmc为 1 19×10 -4mol/L ,γcmc为 4 1 4mN/m。该单体与丙烯酰胺 (AM )、丙烯酸 (AA)水溶液共聚产物的特性粘数与相同条件下的AM AA共聚物相近 ,表明该单体具有较高的聚合活性。共聚物的UV谱中 2 2 4nm的强峰以及IR谱中 14 5 4cm-1处的弱峰 ,表明该聚合物为VBDMOAC AM AA三元共聚物。A surface-active macromonomer(VBDMOAC) was synthesized from p-vinyl benzyl chloride and octadecyl dimethyl amine. Its structure was identified by measurement of chlorine content, IR and 1H NMR. Its cmc and γ cmc were determined to be 1.19×10 -4 mol/L and 41.4 mN/m, respectively. Compared to AM-AA copolymer prepared in the same conditions, the intrinsic viscosities of the copolymers obtained from ternary polymerization of VBDMOAC, AM and AA in aqueous solvent showed that VBDMOAC have a higher polymerization activity. The terpolymer (VBDMOAC-AM-AA) was verified by its UV band at 224 nm and IR band at 1 454 cm -1.

关 键 词：疏水改性 表面活性大单体 合成 

分 类 号：O646.6[理学—物理化学]