The dispersing agent is sulfonated acetone-formaldehyde polycondensate or amidosulfuric acid.
降滤失剂 为聚乙烯醇或丙烯酰胺共聚物中的一种;
Detailedly introduces definition classification and character of interfacial polycondensation and influential factors of polycondensate molecular weight.
并着重介绍了界面缩聚的定义、分类、特点以及影响缩聚物分子量的因素。
In addition, the separation method and the Characteristics of compositions and structure for the polycondensate (tannin) set up in this paper can be also used in other aromatic syntan.