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工業技術研究院

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技術名稱: 導電金屬微粒混合分散

技術簡介

以混合分散技術的學理基礎,以溶劑型之奈米銀分散液為開發之載具;透過解析奈米銀粉、分散劑、有機溶劑、分散製程所扮演的腳色,解決奈米銀因其高密度、高凡德瓦爾內聚力兩大困難點,完成建立(1)粉體材料表面能分析技術與銀粉表面能資料庫、(2)高分子型分散劑表面能分析技術與商用分散劑的表面能資料庫、(3)分散劑結構解析資料庫、(4)粉體-分散劑錨釘力量測技術、(5)奈米銀、分散劑、溶劑的篩選原則、(6)奈米銀/分散劑匹配原則、(7)奈米銀/溶劑匹配原則、(8)溶劑/分散劑匹配原則以及(9)奈米銀超音波混合分散製程技術。

Abstract

On the base of dispersion theory , we have analyzed, screened and matched solvents, dispersants, nano-silver powders, and dispersing process for determining their roles in nano-silver dispersion. In order to overcome the challenges of high silver intrinsic density and high Van der Waals force between nano-silver powders, we have established (1) technique of surface energy analysis and surface energy databank of nano-silver, (2) technique of surface energy analysis and surface energy databank of commercial polymeric dispersants, (3) structural analysis of commercial dispersant, (4) acid-base interaction between nano-silver and dispersant, (5) screening principles of nano-silver, dispersant and solvent, (6) matching principles of nano-silver and dispersant, (7) matching principles of nano-silver and solvent, (8) matching principles of dispersant and solvent, and (9) sonication process for silver dispersion.

技術規格

成功製備高銀含量(30wt%)、高均勻性(D100/Dave=1.5)、低沉降速度(0.07 mm/day)、類牛頓流體(n=0.95)之奈米銀分散液。

Technical Specification

we successfully fabricated a Newton’s fluid-like nano-silver dispersion with high silver content (30wt%), high uniformity(D100/Dave=1.5), high stability (?Dave= 7nm) and low sedimentation velocity (0.07 mm/day).

技術特色

高銀含量、高導電性極高安定性奈米銀分散液,可應用於數位噴印、柔印等RFID 、 TP trace line等

應用範圍

none

接受技術者具備基礎建議(設備)

none

接受技術者具備基礎建議(專業)

none

技術分類 特用化學品

聯絡資訊

聯絡人:張信貞 應用化學研究組

電話:03-5732778 或 Email:jennychang@itri.org.tw

客服專線:+886-800-45-8899

傳真:03-5732844

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