交联聚合物溶液的微观形态结构研究

用扫描电镜和偏光显微镜研究了聚丙烯酰胺／柠檬酸铝交联聚合物溶液在盖玻片上形成的聚集体微观形态，并与相同浓度的部分水解聚丙烯酰胺水溶液、有机铝弱凝胶和有机复合弱凝胶的扫描电镜图片进行了对比研究。结果表明，聚丙烯酰胺／柠檬酸铝交联聚合物溶液是以单个部分水解聚丙烯酰胺大分子内交联为主，几个颗粒间以相互连接较弱的分子间交联为辅的胶态分散体系。形态为近似球形的颗粒。

Microstrctural morphology studies of linked polymer solution

This paper studies the microcosmic characteristic of linked polymer solution. The morphologies of the aggregates of HPAM/aluminum citrate linked polymer solution formed on glass substrate after evaporation of the water are observed and investiga-ted by using scanning electronic microscopy and polarizing micro-scope compared with the photos of polyacrylamide, organic alumi-num weak gel and organic compound weak gel. The results indicate that LPS are composed predominantly of intermolecularly crosslinked HPAM molecular coils shown on SEM and PM photos and the morphologies of the aggregates of LPS are probably spheri-cal particle.