淀粉接枝聚丙烯酰胺反相胶乳的制备与性质

Preparation and Properties of S-g-PAM Inverse Latex

以K2S2O8为引发剂，在反相乳液中合成淀粉接枝聚丙烯酰胺（s－g－PAM）。经水解，制备成相应的阴离子型衍生物，并研究了它们的耐温性、耐盐性及抗剪切力性质。结果表明，接枝阴离子型聚丙烯酰胺具有很好的热稳定性和耐盐性，它们的高粘度将有利于采油。

A graft copolyrer of starch with polyacryladride is made by using K2S2O8,initiation system in inverse emulsion. and correspoliling aniomc graft copolymers. which have lifferential hydrolysis degree, have been prepared by alkaline hydrolysis of uncharged graft copolmers. These graft copolpoers have been tested for their temperature stability, saliulty sensitity and shear stability. Experiments show that anionic graft copolymers have a good temperature stability and they resist salinity. The in high viscosity will benefit oil recovery.