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阳极氧化膜的电解着色技术

阳极氧化膜的电解着色技术

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【摘要】:
我国铝建筑型材阳极氧化膜电解着色工艺以采用锡盐和锡镍混合盐为主,由于硫酸亚锡的不稳定性,对于大型立式生产线带来难于克服的缺陷。为此以硫酸镍为主成分的工艺(镍盐着色)得到发展,可是镍离子对于环境的损害和硫酸镍的高成本,成为不可回避的问题。因此必须考虑硫酸镍的回收设备与工艺及镍离子的环境治理措施,以便降低生产成本和改进环境保护效果。  单镍盐电解着色有两大类型,其一是交流弱酸性单镍盐电解着色,二是“直

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真人斗地主