Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of high-purity aluminum nitride powder
The invention discloses a preparation method of high-purity aluminum nitride powder, which comprises the following steps: mixing aluminum oxide powder, carbon black, a metal oxide, a monomer, a cross-linking agent and a dispersing agent in water to prepare slurry, injecting the slurry into a mold, curing, drying, nitriding and removing carbon to prepare the high-purity aluminum nitride powder, the specific preparation method comprises the following steps: step 1, preparing materials, namely preparing aluminum oxide powder, carbon black, a metal oxide, a monomer, a cross-linking agent, a dispersing agent and water according to the mass percent: 30%-45% of aluminum oxide, 10%-15% of carbon black, 2%-8% of metal oxide, 2%-15% of monomer, 0.1%-0.5% of cross-linking agent, 1%-3% of dispersing agent and 45%-55% of water; step 2, preparing slurry: uniformly mixing the raw materials in the step 1 by ball milling to prepare uniform and stable slurry; the aluminum nitride powder prepared by the method is high in purity, small in particle size and uniform in distribution, and is very suitable for preparing a high-thermal-conductivity aluminum nitride ceramic substrate.
本发明公开了一种高纯氮化铝粉体的制备方法，将氧化铝粉体、炭黑、金属氧化物、单体、交联剂、分散剂在水中进行混合，制成料浆，注入模具，经过固化、干燥、氮化和除碳制得高纯氮化铝粉体；具体制备方式如下：步骤一，配料：将氧化铝粉体、炭黑、金属氧化物、单体、交联剂、分散剂、水按照质量百分比配料：氧化铝30％‑45％，炭黑10％‑15％，金属氧化物2％‑8％，单体2％‑15％,交联剂0.1％‑0.5％，分散剂1％‑3％，水45％‑55％；步骤二，配制料浆：采用球磨将步骤一中的原料混合均匀，制成均一稳定的料浆。本发明制备的氮化铝粉体纯度高，粒径小、分布均匀，非常适合制备高导热氮化铝陶瓷基板。
Preparation method of high-purity aluminum nitride powder
The invention discloses a preparation method of high-purity aluminum nitride powder, which comprises the following steps: mixing aluminum oxide powder, carbon black, a metal oxide, a monomer, a cross-linking agent and a dispersing agent in water to prepare slurry, injecting the slurry into a mold, curing, drying, nitriding and removing carbon to prepare the high-purity aluminum nitride powder, the specific preparation method comprises the following steps: step 1, preparing materials, namely preparing aluminum oxide powder, carbon black, a metal oxide, a monomer, a cross-linking agent, a dispersing agent and water according to the mass percent: 30%-45% of aluminum oxide, 10%-15% of carbon black, 2%-8% of metal oxide, 2%-15% of monomer, 0.1%-0.5% of cross-linking agent, 1%-3% of dispersing agent and 45%-55% of water; step 2, preparing slurry: uniformly mixing the raw materials in the step 1 by ball milling to prepare uniform and stable slurry; the aluminum nitride powder prepared by the method is high in purity, small in particle size and uniform in distribution, and is very suitable for preparing a high-thermal-conductivity aluminum nitride ceramic substrate.
本发明公开了一种高纯氮化铝粉体的制备方法，将氧化铝粉体、炭黑、金属氧化物、单体、交联剂、分散剂在水中进行混合，制成料浆，注入模具，经过固化、干燥、氮化和除碳制得高纯氮化铝粉体；具体制备方式如下：步骤一，配料：将氧化铝粉体、炭黑、金属氧化物、单体、交联剂、分散剂、水按照质量百分比配料：氧化铝30％‑45％，炭黑10％‑15％，金属氧化物2％‑8％，单体2％‑15％,交联剂0.1％‑0.5％，分散剂1％‑3％，水45％‑55％；步骤二，配制料浆：采用球磨将步骤一中的原料混合均匀，制成均一稳定的料浆。本发明制备的氮化铝粉体纯度高，粒径小、分布均匀，非常适合制备高导热氮化铝陶瓷基板。
Preparation method of high-purity aluminum nitride powder
一种高纯氮化铝粉体的制备方法
FENG ZHENGYANG (Autor:in) / JIANG YIXUAN (Autor:in) / CHEN JING (Autor:in) / YANG SUYAN (Autor:in) / TANG XIANYI (Autor:in)
27.10.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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