【作者】 曹阳；

【导师】 李新立； 李安忠；

【作者基本信息】 机械科学研究院 ， 材料学， 2004， 硕士

【摘要】 表面调整是磷化处理中的一个工序，在磷化工艺中采用表面调整工序是目前涂装行业获得高质量磷化膜的重要方法之一。表面调整处理能够为磷化膜的生长提供良好的晶核，提高膜的致密性和降低膜重。 目前表面调整工序中使用的表面调整剂多是固体状态，存在着对涂装有粉尘污染、不适于流水线自动加料作业等问题。因此，制备液体表面调整剂有很好的市场前景和良好的社会效益。 本文通过对聚磷酸盐、PO₄／Ti比、K／Na比等方面对液体表面调整剂的配方进行了研究和讨论得出：聚磷酸盐主要起稳定剂的作用，对磷化成膜性能影响不大；提高液体表面调整剂中的钛含量有利于使磷化膜更均匀细致，PO₄／Ti比越高，液体表面调整剂的稳定性越好，但磷化膜质量在高PO₄／Ti比时会出现劣化现象；引入K⁺离子可以明显改善液体表面调整剂的性能，适当K／Na比的液体表面调整剂不仅使磷化膜更细致，还能使低锌磷化在酸洗条件下形成良好的磷化膜。本文还对液体表面调整剂制备工艺中含水量、pH值、温度的影响和液体表面调整剂的应用工艺中的使用浓度、温度、处理时间等进行了研究和讨论，最终得到了CS100液体表面调整剂的配方、制备工艺和应用工艺。 配方： K₂TiF₆：2.2％； Na₅P₃O₁₀：26.3％； Na₂HPO₄：16.7％； K₂HPO₄：47.5％； KZCO3: NaOH:制备工艺: 温度: pH值: 含水量:应用工艺:少量（调整K闪a比）少量（调整pH值）75℃⁹5℃9 .0¹ 1 .535%⁴1%使用浓度:5一10ml几;使用温度:室温至70℃;处理时间:155一1805;使用时pH值:5.5一9.5。 通过与国内外表面调整剂性能对比测试得出:CS 100液体表面调整剂与国内固体表面调整剂和国外液体表面调整剂相比，在磷化成膜的膜外观、膜重、结晶形貌等性能上基本相当，但CS 100表面调整剂能使低锌磷化在酸洗条件下也能形成均匀细致的磷化膜，明显优于国内固体表面调整剂和国外液体表面调整剂。更多还原

【Abstract】 During pre-treatment of phosphating, surface conditioning is the most important means to gets high-quality phosphate conversion coating. The fine conditioner can offer good crystals embryo for growth of the phosphate conversion coating, and can improve phosphate conversion coating dense and reduce the film weight.Mostly it is solid surface conditioner used at present, which have dirty for coating process, and is unsuitable for assembly control in product line, etc. So, liquid surface conditioner has very good market prospects and good social benefit.The thesis studies several parts: poly-phosphate, ratio of PO4/Ti, ratio of K/Na etc. The result is that poly-phosphate has a important effect on phosphating or degreasing as a stabilizer, High ratio of PO4/Ti is benefit to form fine film, the higher the ratio of PO4/Ti is, the better the stabilization is, but the phosphate conversion coating gets bad. K+ ion can improve the characteristic of surface conditioner, the reasonable ratio of K/Na not only form fine phosphate conversion coating, but also form good film after pickling in low zinc phosphating. The thesis prodes into the following: the influence of the content of water, pH and temperature during the manufacture of liquid surface conditioner, concentration, temperature and time during the application of liquid surface conditioner. So, the thesis gets CS100 surface conditioner, the content, manufacture craft and application craft is following.The content:K2T1F6 :2.2%;By comparing the performance of CS100 liquid surface conditioner with the performance of domestic and international surface conditioner, the result shows: such performance as the phosphorus film appearance, film weight and crystal appearance is equal to those of domestic solid surface conditioner and international liquid surface conditioner, but CS100 liquid surface conditioner can form fine film after pickling in low zinc phosphating, which is better than domestic solid surface conditioner and international liquid surface conditioner.更多还原