CN106431375A - 一种磁导率高镍锌软磁铁氧体材料 - Google Patents

一种磁导率高镍锌软磁铁氧体材料 Download PDF

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CN106431375A
CN106431375A CN201610761662.XA CN201610761662A CN106431375A CN 106431375 A CN106431375 A CN 106431375A CN 201610761662 A CN201610761662 A CN 201610761662A CN 106431375 A CN106431375 A CN 106431375A
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瞿德林
王久如
蒲成刚
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TIANCHANG ZHONGDE ELECTRONICS CO Ltd
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Abstract

本发明公开了一种磁导率高镍锌软磁铁氧体材料，其原料包括主料、辅料及助剂；主料的原料按摩尔份包括：NiO 12‑20份，Fe3O4 20‑30份，CuO 4‑10份，ZnO 8‑16份；以原料的总质量为基准，辅料包括：SiO2 200‑600ppm，Ta2O5300‑600ppm，B2O3 300‑500ppm，V2O 200‑400ppm，Co2O3 500‑900ppm，PtO2100‑300ppm，Nb2O5 400‑600ppm；主料与助剂的重量比为100：3‑6，助剂的原料按重量份包括：改性木质素磺酸钠100份，硫酸钡3‑7份，聚乙烯醇8‑12份，硬酯酸锌3‑7份。

Description

一种磁导率高镍锌软磁铁氧体材料
技术领域
本发明涉及软磁铁氧体技术领域，尤其涉及一种磁导率高镍锌软磁铁氧体材料。
背景技术
伴随着便携式移动电子设备的普及，多媒体通信、数字网络的高速发展，以及电磁兼容和抗电磁干扰等领域的需求，目前对功率Mn-Zn铁氧体材料提出了更高更新的要求。随着电子元器件的节能化，密度高、损耗小、且磁导率与饱和磁感应强度均优异的磁铁氧体材料一直是从事该专业的工程技术人员和生产厂商的追求。
发明内容
基于背景技术存在的技术问题，本发明提出了一种磁导率高镍锌软磁铁氧体材料，可显著改善本发明的微观结构，均匀结晶，可减少晶粒间、晶界间的气孔，使本发明密度高，损耗小，而且磁导率、饱和磁感应强度及矫顽力均较优异，电磁特性极为优异。
本发明提出的一种磁导率高镍锌软磁铁氧体材料，其原料包括主料、辅料及助剂；主料的原料按摩尔份包括：NiO 12-20份，Fe3O4 20-30份，CuO 4-10份，ZnO 8-16份；以原料的总质量为基准，辅料包括：SiO2 200-600ppm，Ta2O5300-600ppm，B2O3 300-500ppm，V2O200-400ppm，Co2O3 500-900ppm，PtO2 100-300ppm，Nb2O5 400-600ppm；主料与助剂的重量比为100：3-6，助剂的原料按重量份包括：改性木质素磺酸钠100份，硫酸钡3-7份，聚乙烯醇8-12份，硬酯酸锌3-7份。
优选地，NiO、Fe3O4、CuO、ZnO的重量比为14-18：22-28：6-8：10-14。
优选地，SiO2、Ta2O5、B2O3、V2O、Co2O3、PtO2、Nb2O5的重量比为300-500：400-500：350-450ppm 250-350：600-800：150-250：450-550。
优选地，助剂的原料按重量份包括：改性木质素磺酸钠100份，硫酸钡4-6份，聚乙烯醇9-11份，硬酯酸锌4-6份。
优选地，改性木质素磺酸钠采用如下工艺制备：将木质素磺酸钠、醋酸-醋酸钠缓冲溶液中室温放置，加入木聚糖酶搅拌，加入过氧化物酶、过氧化氢溶液室温搅拌，加入微晶石蜡、天然蜂蜡、聚乙烯蜡、高锰酸钾混合搅拌，降至室温得到改性木质素磺酸钠。
优选地，改性木质素磺酸钠采用如下工艺制备：将木质素磺酸钠、醋酸-醋酸钠缓冲溶液中室温放置60-120min，加入木聚糖酶搅拌10-20min，加入过氧化物酶、过氧化氢溶液室温搅拌10-20min，加入微晶石蜡、天然蜂蜡、聚乙烯蜡、高锰酸钾混合搅拌30-50min，降至室温得到改性木质素磺酸钠。
优选地，改性木质素磺酸钠采用如下工艺制备：按重量份将8-16份木质素磺酸钠、45-65份醋酸-醋酸钠缓冲溶液中室温放置60-120min，加入0.3-0.9份木聚糖酶搅拌10-20min，加入0.002-0.004份过氧化物酶、1.5-2.5份浓度为7-9wt％的过氧化氢溶液室温搅拌10-20min，加入4-8份微晶石蜡、3-7份天然蜂蜡、3-5份聚乙烯蜡、0.2-0.4份高锰酸钾混合搅拌30-50min，降至室温得到改性木质素磺酸钠。
本发明采用常规制备工艺制得。
本发明通过调整主料中Fe3O4、NiO、ZnO、CuO摩尔配比，同时适当地增加Co2O3、Ta2O5、B2O3、SiO2、Nb2O5、V2O、PtO2作为辅料，可保证本发明具有良好的电磁特性；本发明的改性木质素磺酸钠中，木质素磺酸钠经过醋酸-醋酸钠缓冲溶液处理后，依次经过木聚糖酶活化使得碳水化合物与木质素分子连接键断开，反应活性增加，过氧化物酶催化，以过氧化氢为氧源，聚合后产物表面吸附量高，而且分散性好，与微晶石蜡、天然蜂蜡、聚乙烯蜡的混溶性极好，在十二羟基硬脂酸与高锰酸钾的作用下，通过氧化反应引入含氧基团，提高产物的极性，还具有强的亲和力和表面活性；改性木质素磺酸钠与聚乙烯醇、硫酸钡、硬酯酸锌产生配合作用，使主料和辅料的结合性能极好，可进一步增强本发明的结晶均匀性，并可减少晶粒间、晶界间的气孔，可显著改善本发明的微观结构，使本发明密度高，损耗小，而且磁导率、饱和磁感应强度及矫顽力均较优异，电磁特性极为优异。
具体实施方式
下面，通过具体实施例对本发明的技术方案进行详细说明。
实施例1
本发明提出的一种磁导率高镍锌软磁铁氧体材料，其原料包括主料、辅料及助剂；主料的原料按摩尔份包括：NiO 12份，Fe3O4 30份，CuO 4份，ZnO 16份；以原料的总质量为基准，辅料包括：SiO2 200ppm，Ta2O5 600ppm，B2O3 300ppm，V2O 400ppm，Co2O3 500ppm，PtO2300ppm，Nb2O5 400ppm；主料与助剂的重量比为100：6，助剂的原料按重量份包括：改性木质素磺酸钠100份，硫酸钡3份，聚乙烯醇12份，硬酯酸锌3份。
实施例2
本发明提出的一种磁导率高镍锌软磁铁氧体材料，其原料包括主料、辅料及助剂；主料的原料按摩尔份包括：NiO 20份，Fe3O4 20份，CuO 10份，ZnO 8份；以原料的总质量为基准，辅料包括：SiO2 600ppm，Ta2O5 300ppm，B2O3 500ppm，V2O 200ppm，Co2O3 900ppm，PtO2100ppm，Nb2O5 600ppm；主料与助剂的重量比为100：3，助剂的原料按重量份包括：改性木质素磺酸钠100份，硫酸钡7份，聚乙烯醇8份，硬酯酸锌7份。
改性木质素磺酸钠采用如下工艺制备：将木质素磺酸钠、醋酸-醋酸钠缓冲溶液中室温放置，加入木聚糖酶搅拌，加入过氧化物酶、过氧化氢溶液室温搅拌，加入微晶石蜡、天然蜂蜡、聚乙烯蜡、高锰酸钾混合搅拌，降至室温得到改性木质素磺酸钠。
实施例3
本发明提出的一种磁导率高镍锌软磁铁氧体材料，其原料包括主料、辅料及助剂；主料的原料按摩尔份包括：NiO 14份，Fe3O4 28份，CuO 6份，ZnO 14份；以原料的总质量为基准，辅料包括：SiO2 300ppm，Ta2O5 500ppm，B2O3 350ppm，V2O 350ppm，Co2O3 600ppm，PtO2250ppm，Nb2O5 450ppm；主料与助剂的重量比为100：5，助剂的原料按重量份包括：改性木质素磺酸钠100份，硫酸钡4份，聚乙烯醇11份，硬酯酸锌4份。
改性木质素磺酸钠采用如下工艺制备：按重量份将16份木质素磺酸钠、45份醋酸-醋酸钠缓冲溶液中室温放置120min，加入0.3份木聚糖酶搅拌20min，加入0.002份过氧化物酶、2.5份浓度为7wt％的过氧化氢溶液室温搅拌20min，加入4份微晶石蜡、7份天然蜂蜡、3份聚乙烯蜡、0.4份高锰酸钾混合搅拌30min，降至室温得到改性木质素磺酸钠。
实施例4
本发明提出的一种磁导率高镍锌软磁铁氧体材料，其原料包括主料、辅料及助剂；主料的原料按摩尔份包括：NiO 18份，Fe3O4 22份，CuO 8份，ZnO 10份；以原料的总质量为基准，辅料包括：SiO2 500ppm，Ta2O5 400ppm，B2O3 450ppm，V2O 250ppm，Co2O3 800ppm，PtO2150ppm，Nb2O5 550ppm；主料与助剂的重量比为100：4，助剂的原料按重量份包括：改性木质素磺酸钠100份，硫酸钡6份，聚乙烯醇9份，硬酯酸锌6份。
改性木质素磺酸钠采用如下工艺制备：按重量份将8份木质素磺酸钠、65份醋酸-醋酸钠缓冲溶液中室温放置60min，加入0.9份木聚糖酶搅拌10min，加入0.004份过氧化物酶、1.5份浓度为9wt％的过氧化氢溶液室温搅拌10min，加入8份微晶石蜡、3份天然蜂蜡、5份聚乙烯蜡、0.2份高锰酸钾混合搅拌50min，降至室温得到改性木质素磺酸钠。
实施例5
本发明提出的一种磁导率高镍锌软磁铁氧体材料，其原料包括主料、辅料及助剂；主料的原料按摩尔份包括：NiO 16份，Fe3O4 25份，CuO 7份，ZnO 12份；以原料的总质量为基准，辅料包括：SiO2 100ppm，Ta2O5 420ppm，B2O3 400ppm，V2O 300ppm，Co2O3 700ppm，PtO2200ppm，Nb2O5 500ppm；主料与助剂的重量比为100：4.5，助剂的原料按重量份包括：改性木质素磺酸钠100份，硫酸钡5份，聚乙烯醇10份，硬酯酸锌5份。
改性木质素磺酸钠采用如下工艺制备：将木质素磺酸钠、醋酸-醋酸钠缓冲溶液中室温放置90min，加入木聚糖酶搅拌15min，加入过氧化物酶、过氧化氢溶液室温搅拌15min，加入微晶石蜡、天然蜂蜡、聚乙烯蜡、高锰酸钾混合搅拌40min，降至室温得到改性木质素磺酸钠。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (7)

1.一种磁导率高镍锌软磁铁氧体材料，其特征在于，其原料包括主料、辅料及助剂；主料的原料按摩尔份包括：NiO 12-20份，Fe3O4 20-30份，CuO 4-10份，ZnO 8-16份；以原料的总质量为基准，辅料包括：SiO2 200-600ppm，Ta2O5300-600ppm，B2O3 300-500ppm，V2O 200-400ppm，Co2O3 500-900ppm，PtO2100-300ppm，Nb2O5 400-600ppm；主料与助剂的重量比为100：3-6，助剂的原料按重量份包括：改性木质素磺酸钠100份，硫酸钡3-7份，聚乙烯醇8-12份，硬酯酸锌3-7份。
2.根据权利要求1所述磁导率高镍锌软磁铁氧体材料，其特征在于，NiO、Fe3O4、CuO、ZnO的重量比为14-18：22-28：6-8：10-14。
3.根据权利要求1或2所述磁导率高镍锌软磁铁氧体材料，其特征在于，SiO2、Ta2O5、B2O3、V2O、Co2O3、PtO2、Nb2O5的重量比为300-500：400-500：350-450ppm 250-350：600-800：150-250：450-550。
4.根据权利要求1-3任一项所述磁导率高镍锌软磁铁氧体材料，其特征在于，助剂的原料按重量份包括：改性木质素磺酸钠100份，硫酸钡4-6份，聚乙烯醇9-11份，硬酯酸锌4-6份。
5.根据权利要求1-4任一项所述磁导率高镍锌软磁铁氧体材料，其特征在于，改性木质素磺酸钠采用如下工艺制备：将木质素磺酸钠、醋酸-醋酸钠缓冲溶液中室温放置，加入木聚糖酶搅拌，加入过氧化物酶、过氧化氢溶液室温搅拌，加入微晶石蜡、天然蜂蜡、聚乙烯蜡、高锰酸钾混合搅拌，降至室温得到改性木质素磺酸钠。
6.根据权利要求1-5任一项所述磁导率高镍锌软磁铁氧体材料，其特征在于，改性木质素磺酸钠采用如下工艺制备：将木质素磺酸钠、醋酸-醋酸钠缓冲溶液中室温放置60-120min，加入木聚糖酶搅拌10-20min，加入过氧化物酶、过氧化氢溶液室温搅拌10-20min，加入微晶石蜡、天然蜂蜡、聚乙烯蜡、高锰酸钾混合搅拌30-50min，降至室温得到改性木质素磺酸钠。
7.根据权利要求1-6任一项所述磁导率高镍锌软磁铁氧体材料，其特征在于，改性木质素磺酸钠采用如下工艺制备：按重量份将8-16份木质素磺酸钠、45-65份醋酸-醋酸钠缓冲溶液中室温放置60-120min，加入0.3-0.9份木聚糖酶搅拌10-20min，加入0.002-0.004份过氧化物酶、1.5-2.5份浓度为7-9wt％的过氧化氢溶液室温搅拌10-20min，加入4-8份微晶石蜡、3-7份天然蜂蜡、3-5份聚乙烯蜡、0.2-0.4份高锰酸钾混合搅拌30-50min，降至室温得到改性木质素磺酸钠。
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