Dispersion and stability of superfine silver powders in organic medium;
超细银粉在有机介质中的分散及其稳定性
The relation of metal powder agglomeration state with sintered body structure is investigated by analyzing the original and sintered microstructures of three kinds of different agglomerate silver powder.
通过对三种不同聚集状态的银粉及烧结后对应微观结构变化分析,说明在无压自然堆积情况下,银粉聚集状态对微观结构及收缩程度有更大的影响。
vacuum degassing method is used for silver powder.
银锭采用石墨坩埚真空熔炼脱气法,银粉采用真空脱气法,两种方法生产的AgCu28真空焊料的溅散性可达A级,清洁性可达Ⅰ-Ⅱ级。
Preparation and evaluation of antibacterial dope loaded nano-silver particles;
纳米银粉内墙抗菌涂料的制备及抗菌性研究
A kind of waterborne nano-silver modified antibacterial paint is formulated with nano-silver particles as antibacterial materials, waterborne fluorocarbon emulsion as binder, wetting agent, dispersant, defoamer and et al.
采用纳米银粉为抗菌材料,水性氟碳乳液为基料,添加润湿剂、分散剂和消泡剂等助剂,制备抗菌涂料。
Preparation and characterization of uniform spherical nanometer silver powder;
规则球形纳米银粉的制备及表征
The results show that the obtained nanometer silver powder is excellent with regular spherica.
采用液相还原法,分别以水合肼、次磷酸钠和硼氢化钠为还原剂,聚乙二醇和聚乙烯吡咯烷酮为分散剂和保护剂,硝酸银被还原制备球形纳米银粉。
Some technical conditions, such as pH, ammonia concentration, ammonia dropping velocity and stirring rate were tested in order to get silver nanoparticles by filtrating silver sols.
控制聚沉过程的工艺条件(pH,氨水浓度、氨水滴加速度、搅拌、超声等),可使纳米银粉从银溶胶中直接过滤出来。
Some technical conditions, such as pH value, ammonia concentration, ammonia dropping velocity and stirring rate were tested in order to get silver nanoparticles by filtrating silver sols.
考查了加入氨水的工艺条件对从银溶胶中过滤分离纳米银粉的影响,控制溶胶的pH范围可以得到不同粒度的纳米银。
Because of their unique properties of volume effect, the surface effect, the quantum dimension effect and macro-quantum tunnel effect, the silver nanoparticles have a lot of the specicific usages such as the special functions in superconductive, chemistry, optics, medicine and antimicrobial etc.
纳米银粉因为具有纳米材料所特有的体积效应、表面效应、量子尺寸等效应,使它具有诸多特殊用途,在超导、化学、光学、医药以及抗菌等方面显示出普通银粉所不具备的特殊功效,是一种应用前景广阔的新型材料。