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1·Anionic polyacrylamide (APAM) of high molecular weight was prepared.

采用前加碱法制备阴离子聚丙烯酰胺絮凝剂(APAM)。

2·Two types of amphiprotic high-molecular coagulants ie APAM and CGAAC were successfully synthesized by large molecule modification process.

通过大分子改性的方法，合成了两种两性高分子絮凝剂APAM和CGAAC。

3·Using diatomite suspension as flocculating object, the modification factors affecting the flocculation properties of APAM were investigated.

以硅藻土悬浮液为絮凝对象，考察了改性反应中影响APAM絮凝效果的因素。

4·A new method for preparing amphoteric polyacrylamide (APAM), a kind of flocculant, by modification of nonionic polyacrylamide was developed.

开发了一种对非离子聚丙烯酰胺进行改性制备两性聚丙烯酰胺(APAM)絮凝剂的新方法。

5·The graft copolymer of cationic starch and APAM with narrow molecular weight distribution was prepared and used for dry-strengthening agent.

用阳离子淀粉接枝窄相对分子质量阴离子聚丙烯酰胺制备干增强剂。