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.
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.
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.
研究发现，实验所制得的改性聚丙烯酰胺是一种低分子量、较高电荷密度的两性聚丙烯酰胺。
Experiments showed that modified PAM is a kind of amphoteric PAM with low molecular weight and higher density of electric charge.
研究了羟基氯化铝和改性聚丙烯酰胺的制法，然后与一种天然物质复配，制成了一种复合水处理混凝剂。
Preparation of hydroxy-aluminum trichloride and modified polyacrylic amide was discussed. Together with a natural material, high-efficiency water treatment coagulant was made.
采用原位聚合法，在聚丙烯酰胺的聚合过程中引入金属离子进行改性，合成了一种新型改性聚丙烯酰胺。
A novel modified polyacrylamide was synthesized through in-situ polymerization of acrylamide during which the metal irons was added into the reaction system.
研究了聚丙烯酰胺对混凝土性能的改性效果。
The paper researches the concrete property effect modified by polyacrylamide.
研究了有机改性膨润土对石油废水中聚丙烯酰胺(PAM)的去除效果。
The removal effect of polyacrylamide (PAM) from oil wastewater by organically modified bentonite has been studied.
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。
A new method for preparing amphoteric polyacrylamide (APAM), a kind of flocculant, by modification of nonionic polyacrylamide was developed.
对钙基膨润土进行多种方法改性、并研究了改性后的膨润土与阳离子聚丙烯酰胺对新闻纸浆的协同助留作用。
Making various purification method of Ca-bentonite. Studying its synergistic retention effects on news print pulp of modified bentonite and CPAM.
采用磺甲基化反应对聚丙烯酰胺进行了改性。探讨了反应条件对产物性能的影响。
The polyacrylamide was modified by sulfomethylation and the effects of reaction conditions on properties of modified product were investigated.
聚丙烯酰胺及其改性物是目前最常用的造纸助剂，因此其市场供需量及价格直接影响造纸行业的成本核算。
Polyacrylamide and its modification are the most common option as paper additive. Their supply and price influence the cost of paper products directly.
结果发现，当改性有机硅涂层浸水时，聚丙烯酰胺共聚物能够吸水并在有机硅涂层表面形成亲水性微凝胶，从而提高了有机硅表面的亲水性。
The results showed that the polyacrylamide segment of COP formed hydrophilic micro-gel on the silicone surface after the COP incorporated silicone coating was immersed into filtered seawater.
结果发现，当改性有机硅涂层浸水时，聚丙烯酰胺共聚物能够吸水并在有机硅涂层表面形成亲水性微凝胶，从而提高了有机硅表面的亲水性。
The results showed that the polyacrylamide segment of COP formed hydrophilic micro-gel on the silicone surface after the COP incorporated silicone coating was immersed into filtered seawater.
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