A modified dicyanodiamide-formaldehyde polymer T5 has been synthesized under simple conditions,and the cost of it,$3 400/t,is lower than the other dicyanodiamide-formaldehyde polymers.

• 合成了改性甲醛-双氰胺系列脱色絮凝剂T5,该絮凝剂合成条件简单,成本较同系列的产品低,每吨为3400元左右。