知搜-全球专利检索

  1. 登录
  2. 注册
发明公开
CN104876562A 一种抗电磁干扰软磁铁氧体材料及其制备方法 无效 - 驳回

一种抗电磁干扰软磁铁氧体材料及其制备方法
摘要：
本发明公开了一种抗电磁干扰软磁铁氧体材料及其制备方法，其特征在于，由以下重量份的原料制成：三氧化二铁50-70、氧化镍10-20、氧化锌20-30、氧化钨0.1-0.3、氮化硼0.1-0.2、聚乙烯吡咯烷酮0.1-0.3、锯末0.4-1、木质素磺酸钠0.02-0.06、有机硅树脂2-4、去离子水适量；本发明添加的氧化钨具有提高铁氧体材料的起始磁导率，添加的氮化硼增加了材料的强度，本发明的软磁铁氧体材料生产工艺简单，具有良好的抗电磁干扰性能，生产效率高，节能减排，使用范围广，值得推广。
摘要（英）：

The invention discloses an anti-electromagnetic interference soft-magnetic ferrite material and a preparation method thereof. The anti-electromagnetic interference soft-magnetic ferrite material is characterized by being prepared from the following raw materials in parts by weight: 50-70 parts of iron sesquioxide, 10-20 parts of nickel oxide, 20-30 parts of zinc oxide, 0.1-0.3 part of tungsten oxide, 0.1-0.2 part of boron nitride, 0.1-0.3 part of polyvinylpyrrolidone, 0.4-1 part of saw dust, 0.02-0.06 part of sodium lignin sulfonate, 2-4 parts of organic silicon resin and an appropriate amount of deionized water. According to the anti-electromagnetic interference soft-magnetic ferrite material, the added tungsten oxide is capable of improving the initial permeability of the ferrite material and the added boron nitride is capable of improving the strength of the material; the soft-magnetic ferrite material is simple in production process, excellent in anti-electromagnetic interference property, high in production efficiency, wide in application range and worthy of popularization; besides, the purposes of energy conservation and emission reduction are achieved.

0/0