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添加劑對金屬銀粉形貌和粒徑的影響
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西北有色金屬研究院,東北大學,西北有色金屬研究院,西北有色金屬研究院,西北有色金屬研究院,西北有色金屬研究院

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Effect of Additives on the Morphology and Particle Size of Silver Powder
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Northwest Institute for Nonferrous Metal Research,Xi’an,Northeastern University,Northwest Institute for Nonferrous Metal Research,Xi’an,Northwest Institute for Nonferrous Metal Research,Xi’an,Northwest Institute for Nonferrous Metal Research,Xi’an,Northwest Institute for Nonferrous Metal Research,Xi’an

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    摘要:

    本文選擇結構和性質各異的添加劑制備金屬銀粉，在其他實驗條件相同的情況下對比分析了不同的添加劑對銀粉形貌和粒徑的影響機理。研究結果表明，選擇無支鏈或少支鏈的長鏈狀高分子化合物作為添加劑，更有利于制備出表面光滑、近球形的金屬銀粉。本文以PVP K.30為添加劑，通過調整和優(yōu)化實驗參數(shù)，成功制備出分散性優(yōu)異、近球形、結晶性好的金屬銀粉，粒徑約為2.5 ~ 3 μm，振實密度4.2 g/cm3，符合太陽能電池電子漿料用金屬銀粉的指標要求。

    Abstract:

    Additives with different structures and properties were selected to prepare the silver powder under the same experimental conditions. The effect of the different additives on the morphology and particle diameter of the silver powder was compared and analyzed. The results show that, using the no branched or less branched long-chain polymer compound as additive is more helpful to prepare the silver powder with smooth surface and spherical shape. In this paper, based on the additive of PVP K30, the silver powder with excellent dispersion, spherical shape and good crystallization was prepared successfully by adjusting and optimizing the experimental parameters. The particle size is about 2.5 ~ 3 μm and the tap density is 4.2 g/cm3, which can meet the required index of silver powder used for the solar electronic paste.

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孟晗琪,李艇,陳昆昆,吳永謙,鄭晶,操齊高.添加劑對金屬銀粉形貌和粒徑的影響[J].稀有金屬材料與工程,2017,46(7):2007~2011.[Meng Hanqi, Li Ting, Chen Kunkun, Wu Yongqian, Zheng Jing, Cao Qigao. Effect of Additives on the Morphology and Particle Size of Silver Powder[J]. Rare Metal Materials and Engineering,2017,46(7):2007~2011.]
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  • 收稿日期:2016-05-30
  • 最后修改日期:2016-07-26
  • 錄用日期:2016-08-17
  • 在線發(fā)布日期: 2017-11-14
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