纤维素纤维用聚环氧氯丙烷胺化物改性，并用直接染料、反应性染料中性、无盐染色。
Cellulosic fibres were treated with cationic modifying agents of PECH-amine and dyed with direct and reactive dyes without salts under neutral conditions.
聚环氧氯丙烷—二甲胺与PAC复配，不仅可使絮凝效果更佳，而且可降低处理成本。
Using polyamine flocculants with PAC, not only shows better flocculation performance, but also can lower the water treatment cost.
结果表明，阳离子度、分子量以及聚合物的结构是影响聚环氧氯丙烷—二甲胺絮凝效果的重要因素。
The experimental results show that the cationicity, the molecular weight and the structure have a great effect on the flocculation efficiency of polyamine flocculants.
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