金属表面绿色前处理专利技术分析

Patent Technology Analysis of Green Pretreatment of Metal Surface

在金属表面防腐领域里,绿色前处理因其环保无害,性能优异的优势开始逐渐取代传统磷化。文中介绍了国内外申请人针对金属表面绿色前处理专利申请情况,从专利申请时间、国内外申请人分布等方面分析了国内外在此领域的专利发展情况,该领域的技术演进路线包含无机领域、有机领域及无机有机杂化体系,同时对该领域未来发展方向进行了预测。

In the field of metal surface anti-corrosion,green pretreatment is gradually replacing traditional phosphating because of its environmental protection and superior performance advantages.The paper introduced the domestic and foreign applicants’patent applications for green pretreatment of metal surfaces and analyzed the patent developments from the time of patents and distribution of domestic and foreign applicants.The technical evolution route in this field included the inorganic field,organic field and inorganic-organic hybrid field.The future development trend was predicted.