1) microparticle retention aid
微粒助留剂
1.
Conventional modified bentonite,which is activated by sodiu m carbonate and supplied as dry powder,is neither convenient nor efficient at l ow pH value as a microparticle retention aid in papermaking.
常规改性膨润土作造纸微粒助留剂使用时,在低pH值下既不方便,效率也不高,并且生产粉末状膨润土成本高。
2) microparticulate retention
微粒助留
1.
The modification of bentonite and its microparticulate retention and drainage function to secondary fiber;
膨润土改性及其对二次纤维的微粒助留助滤作用
2.
The advances of the microparticulate retention systems were introduced in the paper,especially the cationic microparticulate retention system.
介绍了近年来微粒助留体系的研究进展,尤其是无机阳离子微粒助留体系,着重论述了阳离子氢氧化镁铝与阴离子聚合物的协同助留作用及其发展。
3.
The high solid bentonite suspension can be used as microparticulate retention aid together with cationic polyacrylamide.
利用柠檬酸钠对膨润土进行高浓改性,研究了改性方式及膨润土浓度、柠檬酸钠加入量、贮存时间等对高浓膨润土悬浮液中膨润土的膨胀容、体积平均粒度、Zeta电位的影响和高浓膨润土悬浮液对纸料的微粒助留作用。
3) microparticle retention
微粒助留
1.
The emphasis in this paper was put on the effects of drying temperatures,dispersing pattern and time on the particle size and viscosity of the modified montmorillonite suspension and their microparticle retention and drainage performance of the on secondary fibers.
以常规的碳酸钠改性蒙脱石为参照,用柠檬酸钠中性改性剂对蒙脱石进行改性,研究干燥条件、剪切分散方法、剪切时间和放置时间对改性蒙脱石粒度、粘度与微粒助留效果的影响。
2.
Three different calcium montmorillonite samples were selected as model montmorilionite, and two modifiers, sodium carbonate andsodium citrate, were used to modify the montmorillonites in order to investigate the effects of morphology and modification methods on themicroparticle retention behavior of montmorillonite.
手抄片实验结果表明,蒙脱石的微粒助留作用主要取决于其本身的结构形态和改性方法,而不同的蒙脱石样品之间仅从其于燥后的粒度、膨胀容和ζ电位并不能判断其相对微粒助留作用。
3.
The relationship between the properties of montmorillonite and its m icroparticle retention effects on furnish together with the necessity of develop ing montmorillonite-based microparticle retention system, the factors affecting the application of it and the effects of using the microparticle system on rosi n sizing and paper strength was discussed.
论述了开发蒙脱石微粒助留体系的必要性、蒙脱石性质和来源对其微粒助留作用的影响、影响蒙脱石微粒助留作用的因素和采用蒙脱石微粒助留体系时对松香施胶和纸张强度性质的影响。
4) micro-particle
微粒助留
1.
It was studied that the effect of the modified st arch and micro-particle retention system on Fines Retention of mechanical pulp in this paper .
就变性淀粉及其微粒助留系统对机木浆的助留效果进行了初步的探讨。
5) microparticle retention and drainage
微粒助留助滤
1.
Presently, the development of microparticle retention and drainage system are main embodiment in the research and exploitation of new microparticle agent.
本文通过将硫酸铝酸化硅酸钠合成了带负电荷的新型硅铝微粒助留助滤剂，并用DDJ动态滤水仪系统深人地探讨了以CS／CPAM／硅铝微粒构成的微粒助留体系的助留助滤性能，并优化其应用条件。
6) microparticle retention system
微粒助留体系
1.
The microparticle retention system could keep good retention, drainage and uniformity of paper.
本文着重论述近几年来出现的新型微粒助留体系,即出现的新的微粒助剂以及新的微粒体系复配方式。
2.
The microparticle retention system appeared in 1980s, and it could bring about good retention、 drainage and uniformity of paper.
２０世纪８０年代初期出现的微粒助留体系，能够很好地改善纸页的留着、脱水和纸页匀度。
补充资料：助留剂
分子式：
CAS号：
性质：在造纸过程中，加入纸浆内可以增加填料、胶料和细微纤维等在纸页中留着率的物质。助留剂大致有无机物如硫酸铝、铝酸钠等(留着效果不显著)；阳离子型淀粉；羧甲基纤维素；合成树脂(如聚乙烯亚胺、聚丙烯酰胺、聚氧化乙烯、聚酰胺等)。常用的助留剂有改性淀粉和合成树脂，助留剂一般还具有加快浆料滤水的助滤效能。主要种类有以下两类。(1)改性淀粉。由玉米、土豆、木薯淀粉采用湿法、干法工艺制得的阴、阳离子改性淀粉。主要是季铵型和叔胺型改性阳离子淀粉。(2)聚丙烯酰胺。一般是改性的阴离子型或阳离子型的产品。阴离子化是通过聚丙烯酰胺的部分水解反应或磺甲基化反应而得。或者通过丙烯酸、顺丁二烯二酸共聚而得。阳离子化则是通过霍夫曼反应或曼尼希反应制得。还可与氨基烷基丙烯酸甲酯的共聚制得。
CAS号：
性质：在造纸过程中，加入纸浆内可以增加填料、胶料和细微纤维等在纸页中留着率的物质。助留剂大致有无机物如硫酸铝、铝酸钠等(留着效果不显著)；阳离子型淀粉；羧甲基纤维素；合成树脂(如聚乙烯亚胺、聚丙烯酰胺、聚氧化乙烯、聚酰胺等)。常用的助留剂有改性淀粉和合成树脂，助留剂一般还具有加快浆料滤水的助滤效能。主要种类有以下两类。(1)改性淀粉。由玉米、土豆、木薯淀粉采用湿法、干法工艺制得的阴、阳离子改性淀粉。主要是季铵型和叔胺型改性阳离子淀粉。(2)聚丙烯酰胺。一般是改性的阴离子型或阳离子型的产品。阴离子化是通过聚丙烯酰胺的部分水解反应或磺甲基化反应而得。或者通过丙烯酸、顺丁二烯二酸共聚而得。阳离子化则是通过霍夫曼反应或曼尼希反应制得。还可与氨基烷基丙烯酸甲酯的共聚制得。
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参考词条