专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5688340A Preparation of metal surfaces for vitreous enameling 失效
标题翻译：玻璃搪瓷金属表面的制备
公开(公告)号：US5688340A
公开(公告)日：1997-11-18
申请号：US517816
申请日：1995-08-22
申请人： Margit Fleischhacker-Jeworrek , Dieter Jentsch , Klaus Wittel
发明人： Margit Fleischhacker-Jeworrek , Dieter Jentsch , Klaus Wittel
IPC分类号： C23C22/44 , C23D3/00 , C23C22/08
CPC分类号： C23C22/44 , C23D3/00
摘要： Disclosed is a process in which a phosphate layer is formed on a metal surface in preparation for the subsequent application of a vitreous enamel coating, wherein a phosphating solution is used which contains essentially nickel and/or cobalt as a layer-forming cation in amounts of 0.5 to 3 g/l as well as 5 to 20 g/l phosphate (calculated as P.sub.2 O.sub.5), 0.1 to 0.5 g/l molybdate (calculated as MoO.sub.3), 0.2 to 2 g/l fluoride (calculated as F), 1 to 10 g/l nitrate (calculated as NO.sub.3), and optionally also 0.1 to 5 g/l urea. It is particularly desirable to use essentially zinc-free phosphating solutions at temperatures preferably of 60.degree. to 70.degree. C. for 2 to 12 minutes to form a phosphate layer having a coating weight of 1.0 to 2.0 g/m.sup.2.
摘要翻译：公开了一种在金属表面上形成磷酸盐层以制备随后应用玻璃质搪瓷涂层的方法，其中使用磷酸盐溶液，其基本上含有镍和/或钴作为成层阳离子，其量为 0.5至3g / l和5至20g / l磷酸盐（以P2O5计算），0.1至0.5g / l钼酸盐（以MoO 3计），0.2至2g / l氟化物（F计算），1至 10克/升硝酸盐（以NO 3计算），以及任选地还含0.1至5克/升尿素。特别希望在优选60℃至70℃的温度下使用基本上不含锌的磷酸盐溶液2至12分钟，以形成涂层重量为1.0至2.0g / m 2的磷酸盐层。

2. 发明授权

US5198020A Removal of zinc from phosphating process sludges 失效
标题翻译：从磷酸盐处理过程中去除锌
公开(公告)号：US5198020A
公开(公告)日：1993-03-30
申请号：US818011
申请日：1992-01-08
申请人： Wolfgang Fennemann , Rolf Kola , Dieter Jentsch
发明人： Wolfgang Fennemann , Rolf Kola , Dieter Jentsch
IPC分类号： C22B1/248 , C22B7/00 , C22B19/30
CPC分类号： C22B7/001 , C22B1/248 , C22B19/30 , Y02P10/214
摘要： Disclosed is a process of removing zinc from a phosphating process sludge wherein the phosphating process sludge is mixed with an additive adapted to form slaglike compounds of iron, calcium and/or barium with the phosphorus component of the phosphating process sludges. The mixture is reacted at temperatures of at least 800.degree. C. under reducing conditions. A previous agglomeration, particularly pelletizing, of the mixture will be of advantage. For a formation of iron compounds it will be particularly desirable to employ reaction temperatures of at least 900.degree. C., preferably of at least 1000.degree. C. and most preferably of at least 1100.degree. C. Metallurgical dusts are particularly suitable additives. For a formation of iron compounds it will be desirable to select a Fe:P molar ratio of at least 1.0 in case of a reaction temperature of .ltoreq.950.degree. C., of at least 1.5 in case of a reaction temperature of 950.degree. to 1050.degree. C., and of at least 2.0 in case of a reaction temperature .gtoreq.1050.degree. C. For a formation of Ca and/or Ba compounds a molar ratio of Ca:P or Ba:P equal to or higher than 1.5 should be selected. The process can be integrated to special advantage in the waelz processing of metallurgical dusts.
摘要翻译：公开了一种从磷化处理污泥中除去锌的方法，其中磷化处理污泥与适于用磷酸盐化处理污泥的磷成分形成铁，钙和/或钡的渣状化合物的添加剂混合。该混合物在还原条件下在至少800℃的温度下反应。混合物的先前的聚集，特别是造粒将是有利的。对于铁化合物的形成，特别希望使用至少900℃，优选至少1000℃，最优选至少1100℃的反应温度。冶金粉尘是特别合适的添加剂。对于铁化合物的形成，在反应温度为950℃的情况下，在反应温度为950℃的情况下，选择至少为1.0的Fe:P摩尔比为至少1.5，在1050℃，反应温度> 1050℃的情况下为至少2.0。对于Ca和/或Ba化合物的形成，Ca：P或Ba：P的摩尔比等于或高于应选择1.5。该过程可以集成到冶金粉尘的瓦尔兹加工中的特殊优势。

3. 发明授权

US5160551A Activator for use in phosphating processes 失效
标题翻译：激光器用于磷化过程
公开(公告)号：US5160551A
公开(公告)日：1992-11-03
申请号：US686825
申请日：1991-04-17
申请人： Rudiger Rein , Dieter Jentsch , Kalus-Werner Wittel
发明人： Rudiger Rein , Dieter Jentsch , Kalus-Werner Wittel
IPC分类号： C23C22/80 , C23C22/18 , C23C22/36 , F16L37/084 , F16L37/098 , F16L37/12
CPC分类号： C23C22/80
摘要： The activating agent which is based on titanium(IV) phosphate and intended for use in the activation of metal surfaces before a zinc phosphating treatment contains one or more copper compounds and has a Ti:Cu weight ratio of 1:100 to 60:1 and optionally contains in addition at least one of the components consisting of condensed phosphate, silicate, complexing agent, water-soluble organic polymer, thickening agent, and surfactant. It is used to prepare aqueous activating baths for activating iron, steel, galvanized steel, zinc alloy-plated steel, aluminum-plated steel and aluminum before a zinc phosphating treatment, which baths contain 0.001 to 0.060 g/l Ti, 0.020 to 1.2 g/l orthophosphate (calculated as P.sub.2 O.sub.5), and 0.001 to 0.1 g/l Cu and so much alkali that the bath has a pH value of 7 to 11, preferably of 7.5 to 10.
摘要翻译：基于磷酸钛（IV）的活化剂，用于在磷化锌处理之前活化金属表面时含有一种或多种铜化合物，并且具有1:100至60:1的Ti:Cu重量比和另外还含有由缩合磷酸盐，硅酸盐，络合剂，水溶性有机聚合物，增稠剂和表面活性剂组成的组分中的至少一种。在锌磷化处理之前，用于制备用于活化铁，钢，镀锌钢，镀锌钢，镀铝钢和铝的水性活化浴，该浴含有0.001至0.060g / l Ti，0.020至1.2g /正磷酸盐（以P 2 O 5计）和0.001〜0.1g / l的Cu以及碱溶液的pH值为7〜11，优选为7.5〜10。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式