常温清洁锌钙系磷化液研究
A CLEAN Zn-Ca PHOSPHATING SOLUTION AT ROOM TEMPERATURE
摘 要
为使磷化实现一级清洁生产,开发了一种用于钢铁表面涂装前处理的常温清洁锌钙系磷化液,实现了磷化液组分的所有分子均参加成膜反应且产物为水或成为磷化膜、沉渣,或在磷化膜干燥过程中挥发的设计思想.磷化液不含亚硝酸盐、重金属(除锌外),在5-40℃下浸渍磷化5-7min,可生成膜重约0.9g/m2、耐CuSO4溶液点滴时间达130-190s的彩色磷化膜.磷化后可免水洗.
锌钙系磷化液
表面处理
Clean phosphating
Zn-Ca phosphating solution
Surface pretreatment
Abstract
A clean Zn-Ca phosphating solution used in surface pretreatment of iron and steel at room temperature was developed in order to perform clean phosphating production.The design idea was that all the molecules or ions involved in the phosphating solution could react with each other and form phosphating film,water,sediments or substances volatilized in the drying process of coating.The solution contains no nitrite and heavy metals (except for zinc).A colored film with a weight of 0.9g/m-2 was formed by immersing method at 5-40℃ for 5 to 7 minutes,which could be resistant to dropping CuSO4 solution for 130 to 190 seconds.No water washing is needed after phosphating.
中图分类号 TG174 TG178
所属栏目 应用技术
基金项目 湖南省科技攻关项目(04SK2005-7)
收稿日期 2005/8/23
修改稿日期
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引用该论文: YU Qu-min,LI Cheng-yong,YANG Ning. A CLEAN Zn-Ca PHOSPHATING SOLUTION AT ROOM TEMPERATURE[J]. Corrosion & Protection, 2006, 27(7): 352～354
被引情况:
【1】李文超,张明明,乔静飞,张圣麟, "冷轧钢表面磷化膜和硅烷膜的制备与性能",腐蚀与防护 36, 334-337(2015)
【2】余取民,王丽平,杨建, "钡盐改性常温锌钙系磷化液",腐蚀与防护 29, 45-47(2008)
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参考文献
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【2】张 浩,张 阳.锌系磷化液理论消耗量的计算[J].表面技术,1999,28(5):49.
【3】余取民,黎成勇,禹逸君.清洁型铁系磷化技术及应用[J].新技术新工艺,2005,4:56-58.
【4】钱汉卿.化工清洁生产及其技术实例[M].北京:化学工业出版社,2002.2-3.
【5】唐春华.高耐蚀性锌-钙系磷化工艺[J].腐蚀与防护,2004,25(7):307-308.
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