1) retention
[英][rɪ'tenʃn] [美][rɪ'tɛnʃən]
助留
1.
On influencing factors of retention and drainage of amphoteric polyacrylamide aid;
影响两性聚丙烯酰胺助留助滤因素的研究
2.
Retention and Drainage Mechanism of Amphoteric Polyacrylamide in Pulp Slurry Suspension;
纸料中两性聚丙烯酰胺的助留助滤作用机理
3.
To optimize ternary retention and drainage aids system by orthogonal experiment, we got main influence factors of three kinds of retention and drainage aids and the best combination dosage, and studied on Fixing aid effect on wet-end system's PCD and Zeta.
本文采用正交试验的方法,对三元助留助滤系统中的三种助剂进行了优化,得出了三种助剂中对助留助滤的主要影响因素、最佳组合用量,同时对所添加的助剂在系统中的电荷水平(PCD)及Zeta电位的变化进行了探索。
2) retention aid
助留
1.
The factors influencing the synthess of cationic chitosan are discussed, the synthesizing conditions of cationic chitosan were opti- mized and the cationic chitosan thus prepared was used as a retention aid in bleaching hardwood pulp.
讨论了合成阳离子壳聚糖(HTTC)的影响因素,优化出合成阳离子壳聚糖的最佳工艺条件,并将所合成的阳离子壳聚糖作为助留剂应用于漂白阔叶木浆。
2.
Layered double hydroxides consisting of layers with cationic charges may be the potential candidates of cationic microparticlesforming retention aid system with anionic polyacrylamide.
混合二元金属氢氧化物是自然界中唯一带有正电荷的粘土矿物,可望与阴离子聚丙烯酸胺组成阳离子微粒助留体系。
3.
Chitosan and derivative can be used as surface pre-treatment of paper, retention aid ,strengthening aid, and flocculants in waste treatment of paper-making.
壳聚糖可用于纸张的表面处理、施胶、助留、增强和造纸废水处理的絮凝
3) retention and drainage
助留助滤
1.
To optimize the wet end chemistry of paper machine for clean production ——The application of particulate retention and drainage system in high speed newsprint machine;
优化纸机湿部化学 实施清洁生产 微粒助留助滤体系在高速新闻纸机上的应用
2.
A study on improving retention and drainage performance in papermaking with asbestos-free latex packing materials
无石棉胶乳密封材料抄造中改善助留助滤性能的研究
3.
The product was applied in bleached reed pulp as retention and drainage aids.
动态滤水实验表明自制CPAM对漂白苇浆具有良好的助留助滤作用。
4) retention and drainage aid
助留助滤
1.
The application of P47 retention and drainage aid in offset papermaking could consistently improve the first pass retention, reduce the loses of fines and other chemical materials, speed up the water drainage from wire and press parts, lower the production cost and have a great potential for broad application.
使用P47助留助滤助剂抄造胶版印刷纸,能长效稳定提高网部单程留着率,减少纤维和其他化学原料的流失,加快网部和压榨部的滤水,减少生产能耗,降低生产成本,有广泛的推广应用价值。
2.
Through the optimization of retention and drainage aid system in paper machine,its runnability was increased,paper uniformity and strength were improved significantly with a breaking length gain of 0.
通过对纸机助留助滤系统进行多次优化,提高了纸机的运行性能,成纸匀度和强度都得到很大改善,成纸裂断长提高约0。
5) drainage and retention
助滤助留
1.
The effect of the copolymer on drainage and retention in corrugated paper pulp was investigated.
在单体质量比m(NVF)/m(DADMAC)=1下,探讨了单体总质量分数、引发剂质量分数、反应温度对聚合过程及产物特性粘度的影响;考察了产物在瓦楞纸浆中的助滤助留效果。
6) retention and drainage aids
助留助滤
1.
In this paper,cationic polyacrylamide(self-made and imported)/modified bentonite system was used as retention and drainage aids for bleached wheat straw pulp.
本文主要研究此微粒体系对漂白麦草浆的助留助滤作用 ,探讨CPAM、改性膨润土用量对助留助滤效果的影响 ,并结合纸页的扫描电镜初步探讨微粒助留助滤的机理。
2.
This paper researched the influence of amphoteric starch, CPAM and CPAM/BT retention and drainage aids systems on printability of reproduced newsprint.
研究了两性淀粉、阳离子聚丙烯酰胺(CPAM)、CPAM/膨润土3种助留助滤体系对再生新闻纸印刷性能的影响。
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