研制出一种锌系复合絮凝剂和改性聚丙烯酰胺絮凝剂。

New polyacrylamide flocculants were developed which include a zinc group composite flocculant and a modified polyacrylamide flocculant.

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以改性聚丙烯酰胺与甲苯二异氰酸酯等进行混合发泡合成功能泡沫塑料。

The functional polyether polyurethane foam was synthesized by mixing the polyacrylamide and toluene 2, 4-diisocyanate, etc.

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试验结果表明改性聚丙烯酰胺絮凝能力较强、选择性较好，是一种优良的赤铁矿絮凝剂。

Test result shows the flocculation ability of modified polyacrylamide is strong and has good selectivity, is a sort of good flocculant of hematite.

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