CN106336212A - 一种用于变压器U型件的Ni‑Zn软磁铁氧体材料 - Google Patents

一种用于变压器U型件的Ni‑Zn软磁铁氧体材料 Download PDF

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CN106336212A
CN106336212A CN201610740270.5A CN201610740270A CN106336212A CN 106336212 A CN106336212 A CN 106336212A CN 201610740270 A CN201610740270 A CN 201610740270A CN 106336212 A CN106336212 A CN 106336212A
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parts
oxide
soft magnetic
wood pulps
ppm
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董鸿梅
张学舟
牟大兵
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ANHUI HUALIN MAGNETIC TECHNOLOGY Co Ltd
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ANHUI HUALIN MAGNETIC TECHNOLOGY Co Ltd
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Abstract

本发明公开一种用于变压器U型件的Ni‑Zn软磁铁氧体材料，其原料包括主料与辅助料；主料按摩尔份包括：氧化铁25～35份，氧化锰15～28份，氧化锌10～20份，氧化亚镍8～16份；以原料的总质量为基准，辅助料包括：二氧化硅200～500ppm，氧化镧100～300ppm，二氧化铅100～180ppm，碳化铌200～300ppm，三氧化钨100～150ppm，五氧化二钒150～250ppm，氧化钽150～250ppm，氧化锆100～180ppm，三氧化二铋120～200ppm，碳酸钙50～200ppm，碳酸锂120～250ppm，碳酸钡140～250ppm。本发明晶粒尺寸小，电阻率高，而且具有较高的起始磁导率以及低的磁芯损耗。

Description

一种用于变压器U型件的Ni-Zn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，尤其涉及一种用于变压器U型件的Ni-Zn软磁铁氧体材料。
背景技术
软磁材料在工业中的应用始于十九世纪末，是伴随着电力电工及电讯技术的兴起而出现的，其应用范围极其广泛。软磁材料不仅应用于家电领域、信息化领域、汽车领域和其他配套领域，更主要的是软磁材料作为电子元器件生产的主要原材料为其带来了源源不断的需求。而随着电子行业的发展与应用领域的扩展，对磁性材料的要求也越来越高，且对材料特性的分类要求更加细化和专业化，而目前用于变压器U型件的磁芯材料的成型性好及稳定性较差，且电阻率也亟待提高。
发明内容
基于背景技术存在的技术问题，本发明提出了一种用于变压器U型件的Ni-Zn软磁铁氧体材料，晶粒尺寸小，电阻率高，而且具有较高的起始磁导率以及低的磁芯损耗。
本发明提出的一种用于变压器U型件的Ni-Zn软磁铁氧体材料，其原料包括主料与辅助料；主料按摩尔份包括：氧化铁25～35份，氧化锰15～28份，氧化锌10～20份，氧化亚镍8～16份；以原料的总质量为基准，辅助料包括：二氧化硅200～500ppm，氧化镧100～300ppm，二氧化铅100～180ppm，碳化铌200～300ppm，三氧化钨100～150ppm，五氧化二钒150～250ppm，氧化钽150～250ppm，氧化锆100～180ppm，三氧化二铋120～200ppm，碳酸钙50～200ppm，碳酸锂120～250ppm，碳酸钡140～250ppm。
优选地，还包括改性木浆粕，改性木浆粕与主料的重量比为100：2～4。
优选地，改性木浆粕采用如下工艺制备：将无水乙醇、甲苯、脂肪醇聚氧乙烯醚、木浆粕混合均匀，加入氢氧化钠、环氧丙烷、氯甲烷混合搅拌，静置，升温，升高压力，保温保压，去除溶剂，调节体系pH值至6.2～6.6，洗涤，干燥，加入小麦蛋白粉、水混合搅拌，加入中性蛋白酶、谷氨酰胺转氨酶搅拌，调节体系pH值至中性，搅拌，灭酶，冷冻干燥得到改性木浆粕。
优选地，改性木浆粕采用如下工艺制备：按重量份将1～5份无水乙醇、20～40份甲苯、0.5～1.5份脂肪醇聚氧乙烯醚、5～10份木浆粕混合均匀，加入0.1～0.5份氢氧化钠、1～2份环氧丙烷、0.2～0.6份氯甲烷混合搅拌，静置，升温，升高压力，保温保压，去除溶剂，调节体系pH值至6.2～6.6，洗涤，干燥，加入5～15份小麦蛋白粉、60～80份水混合搅拌，加入0.001～0.008份中性蛋白酶、0.04～0.09份谷氨酰胺转氨酶搅拌，调节体系pH值至中性，搅拌，灭酶，冷冻干燥得到改性木浆粕。
优选地，改性木浆粕采用如下工艺制备：按重量份将1～5份无水乙醇、20～40份甲苯、0.5～1.5份脂肪醇聚氧乙烯醚、5～10份木浆粕混合均匀，混合温度为10～15℃，加入0.1～0.5份氢氧化钠、1～2份环氧丙烷、0.2～0.6份氯甲烷混合搅拌5～15min，静置1～2h，升温至70～80℃，升高压力至0.15～0.35MPa，保温保压50～100min，去除溶剂，调节体系pH值至6.2～6.6，洗涤，干燥，加入5～15份小麦蛋白粉、60～80份水混合搅拌10～18min，加入0.001～0.008份中性蛋白酶、0.04～0.09份谷氨酰胺转氨酶搅拌5～10min，调节体系pH值至中性，40～48℃搅拌2～8min，灭酶，冷冻干燥得到改性木浆粕。
优选地，氧化铁、氧化锰、氧化锌、氧化亚镍的摩尔比为28～32：18～24：12～18：10～14。
优选地，碳化铌、三氧化钨、五氧化二钒、氧化钽、氧化锆、三氧化二铋的重量比为220～28：110～130：180～200：200～220：120～160：140～180。
本发明制备方法如下：将上述原料混合均匀后，置于U型件模具中进行热压成型，接着烧结，脱膜得到。
本发明采用氧化铁、氧化锰、氧化锌及氧化亚镍形成镍锌锰铁氧体，并合理控制各组分间配比，不仅保证本发明具有较高的起始磁导率以及低的磁芯损耗，而且通过添加辅助料与主料配合作用，在促进镍锌锰铁氧体的传质和烧结，加速晶粒生长，提高产品的起始磁导率的同时，还可有效降低磁芯损耗；其中加入的碳酸钙、碳酸锂、碳酸钡、五氧化二钒配合作用，可改变本发明微观结构，减小了晶粒尺寸，提高了电阻率；本发明的改性木浆粕中，木浆粕经过氢氧化钠、环氧丙烷、氯甲烷在条件下作用，接枝羟丙基、甲基，而脂肪醇聚氧乙烯醚使得反应稳定、缓和，经过低温渗透，浸润性好，粘结性好，分散性能优异，再与小麦蛋白粉混合，相互间分散性好，混合均匀性能优异，加入中性蛋白酶与谷氨酰胺转氨酶适度酶解与交联，使本发明不仅具有一定的黏度，而且分散性能极好；改性木浆粕可有效促使各原料之间分散均匀，浸润性好，具有一定黏度，促使上述原料成型，烧结后成型性好，综合性能进一步增强。
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
本发明提出的一种用于变压器U型件的Ni-Zn软磁铁氧体材料，其原料包括主料与辅助料；主料按摩尔份包括：氧化铁25份，氧化锰28份，氧化锌10份，氧化亚镍16份；以原料的总质量为基准，辅助料包括：二氧化硅200ppm，氧化镧300ppm，二氧化铅100ppm，碳化铌300ppm，三氧化钨100ppm，五氧化二钒250ppm，氧化钽150ppm，氧化锆180ppm，三氧化二铋120ppm，碳酸钙200ppm，碳酸锂120ppm，碳酸钡250ppm。
实施例2
本发明提出的一种用于变压器U型件的Ni-Zn软磁铁氧体材料，其原料包括主料、辅助料和改性木浆粕；其中改性木浆粕与主料的重量比为100：3；主料按摩尔份包括：氧化铁35份，氧化锰15份，氧化锌20份，氧化亚镍8份；以原料的总质量为基准，辅助料包括：二氧化硅500ppm，氧化镧100ppm，二氧化铅180ppm，碳化铌200ppm，三氧化钨150ppm，五氧化二钒150ppm，氧化钽250ppm，氧化锆100ppm，三氧化二铋200ppm，碳酸钙50ppm，碳酸锂250ppm，碳酸钡140ppm。
改性木浆粕采用如下工艺制备：将无水乙醇、甲苯、脂肪醇聚氧乙烯醚、木浆粕混合均匀，加入氢氧化钠、环氧丙烷、氯甲烷混合搅拌，静置，升温，升高压力，保温保压，去除溶剂，调节体系pH值至6.2～6.6，洗涤，干燥，加入小麦蛋白粉、水混合搅拌，加入中性蛋白酶、谷氨酰胺转氨酶搅拌，调节体系pH值至中性，搅拌，灭酶，冷冻干燥得到改性木浆粕。
实施例3
本发明提出的一种用于变压器U型件的Ni-Zn软磁铁氧体材料，其原料包括主料、辅助料和改性木浆粕；其中改性木浆粕与主料的重量比为100：2；主料按摩尔份包括：氧化铁32份，氧化锰18份，氧化锌18份，氧化亚镍10份；以原料的总质量为基准，辅助料包括：二氧化硅400ppm，氧化镧150ppm，二氧化铅160ppm，碳化铌220ppm，三氧化钨130ppm，五氧化二钒180ppm，氧化钽220ppm，氧化锆120ppm，三氧化二铋180ppm，碳酸钙100ppm，碳酸锂200ppm，碳酸钡180ppm。
改性木浆粕采用如下工艺制备：按重量份将5份无水乙醇、20份甲苯、1.5份脂肪醇聚氧乙烯醚、5份木浆粕混合均匀，混合温度为15℃，加入0.1份氢氧化钠、2份环氧丙烷、0.2份氯甲烷混合搅拌15min，静置1h，升温至80℃，升高压力至0.15MPa，保温保压100min，去除溶剂，调节体系pH值至6.2～6.6，洗涤，干燥，加入5份小麦蛋白粉、80份水混合搅拌10min，加入0.008份中性蛋白酶、0.04份谷氨酰胺转氨酶搅拌10min，调节体系pH值至中性，40℃搅拌8min，灭酶，冷冻干燥得到改性木浆粕。
实施例4
本发明提出的一种用于变压器U型件的Ni-Zn软磁铁氧体材料，其原料包括主料、辅助料和改性木浆粕；其中改性木浆粕与主料的重量比为100：4；主料按摩尔份包括：氧化铁28份，氧化锰24份，氧化锌12份，氧化亚镍14份；以原料的总质量为基准，辅助料包括：二氧化硅300ppm，氧化镧250ppm，二氧化铅120ppm，碳化铌280ppm，三氧化钨110ppm，五氧化二钒200ppm，氧化钽200ppm，氧化锆160ppm，三氧化二铋140ppm，碳酸钙150ppm，碳酸锂160ppm，碳酸钡220ppm。
改性木浆粕采用如下工艺制备：按重量份将1份无水乙醇、40份甲苯、0.5份脂肪醇聚氧乙烯醚、10份木浆粕混合均匀，混合温度为10℃，加入0.5份氢氧化钠、1份环氧丙烷、0.6份氯甲烷混合搅拌5min，静置2h，升温至70℃，升高压力至0.35MPa，保温保压50min，去除溶剂，调节体系pH值至6.2～6.6，洗涤，干燥，加入15份小麦蛋白粉、60份水混合搅拌18min，加入0.001份中性蛋白酶、0.09份谷氨酰胺转氨酶搅拌5min，调节体系pH值至中性，48℃搅拌2min，灭酶，冷冻干燥得到改性木浆粕。
实施例5
本发明提出的一种用于变压器U型件的Ni-Zn软磁铁氧体材料，其原料包括主料、辅助料和改性木浆粕；其中改性木浆粕与主料的重量比为100：3.5；主料按摩尔份包括：氧化铁30份，氧化锰21份，氧化锌15份，氧化亚镍12份；以原料的总质量为基准，辅助料包括：二氧化硅350ppm，氧化镧200ppm，二氧化铅140ppm，碳化铌250ppm，三氧化钨120ppm，五氧化二钒190ppm，氧化钽210ppm，氧化锆140ppm，三氧化二铋160ppm，碳酸钙120ppm，碳酸锂180ppm，碳酸钡200ppm。
改性木浆粕采用如下工艺制备：按重量份将3份无水乙醇、30份甲苯、1份脂肪醇聚氧乙烯醚、8份木浆粕混合均匀，加入0.3份氢氧化钠、1.5份环氧丙烷、0.4份氯甲烷混合搅拌，静置，升温，升高压力，保温保压，去除溶剂，调节体系pH值至6.2～6.6，洗涤，干燥，加入10份小麦蛋白粉、70份水混合搅拌，加入0.005份中性蛋白酶、0.06份谷氨酰胺转氨酶搅拌，调节体系pH值至中性，搅拌，灭酶，冷冻干燥得到改性木浆粕。
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)

1.一种用于变压器U型件的Ni-Zn软磁铁氧体材料，其特征在于，其原料包括主料与辅助料；
主料按摩尔份包括：氧化铁25～35份，氧化锰15～28份，氧化锌10～20份，氧化亚镍8～16份；
以原料的总质量为基准，辅助料包括：二氧化硅200～500ppm，氧化镧100～300ppm，二氧化铅100～180ppm，碳化铌200～300ppm，三氧化钨100～150ppm，五氧化二钒150～250ppm，氧化钽150～250ppm，氧化锆100～180ppm，三氧化二铋120～200ppm，碳酸钙50～200ppm，碳酸锂120～250ppm，碳酸钡140～250ppm。
2.根据权利要求1所述用于变压器U型件的Ni-Zn软磁铁氧体材料，其特征在于，还包括改性木浆粕，改性木浆粕与主料的重量比为100：2～4。
3.根据权利要求2所述用于变压器U型件的Ni-Zn软磁铁氧体材料，其特征在于，改性木浆粕采用如下工艺制备：将无水乙醇、甲苯、脂肪醇聚氧乙烯醚、木浆粕混合均匀，加入氢氧化钠、环氧丙烷、氯甲烷混合搅拌，静置，升温，升高压力，保温保压，去除溶剂，调节体系pH值至6.2～6.6，洗涤，干燥，加入小麦蛋白粉、水混合搅拌，加入中性蛋白酶、谷氨酰胺转氨酶搅拌，调节体系pH值至中性，搅拌，灭酶，冷冻干燥得到改性木浆粕。
4.根据权利要求2或3所述用于变压器U型件的Ni-Zn软磁铁氧体材料，其特征在于，改性木浆粕采用如下工艺制备：按重量份将1～5份无水乙醇、20～40份甲苯、0.5～1.5份脂肪醇聚氧乙烯醚、5～10份木浆粕混合均匀，加入0.1～0.5份氢氧化钠、1～2份环氧丙烷、0.2～0.6份氯甲烷混合搅拌，静置，升温，升高压力，保温保压，去除溶剂，调节体系pH值至6.2～6.6，洗涤，干燥，加入5～15份小麦蛋白粉、60～80份水混合搅拌，加入0.001～0.008份中性蛋白酶、0.04～0.09份谷氨酰胺转氨酶搅拌，调节体系pH值至中性，搅拌，灭酶，冷冻干燥得到改性木浆粕。
5.根据权利要求2-4任一项所述用于变压器U型件的Ni-Zn软磁铁氧体材料，其特征在于，改性木浆粕采用如下工艺制备：按重量份将1～5份无水乙醇、20～40份甲苯、0.5～1.5份脂肪醇聚氧乙烯醚、5～10份木浆粕混合均匀，混合温度为10～15℃，加入0.1～0.5份氢氧化钠、1～2份环氧丙烷、0.2～0.6份氯甲烷混合搅拌5～15min，静置1～2h，升温至70～80℃，升高压力至0.15～0.35MPa，保温保压50～100min，去除溶剂，调节体系pH值至6.2～6.6，洗涤，干燥，加入5～15份小麦蛋白粉、60～80份水混合搅拌10～18min，加入0.001～0.008份中性蛋白酶、0.04～0.09份谷氨酰胺转氨酶搅拌5～10min，调节体系pH值至中性，40～48℃搅拌2～8min，灭酶，冷冻干燥得到改性木浆粕。
6.根据权利要求1-5任一项所述用于变压器U型件的Ni-Zn软磁铁氧体材料，其特征在于，氧化铁、氧化锰、氧化锌、氧化亚镍的摩尔比为28～32：18～24：12～18：10～14。
7.根据权利要求1-6任一项所述用于变压器U型件的Ni-Zn软磁铁氧体材料，其特征在于，碳酸钙、碳酸锂、碳酸钡、五氧化二钒的重量比为100～150：160～200：180～220：180～200。
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