Process for phosphating metallic surfaces
    2.
    发明授权
    Process for phosphating metallic surfaces 失效
    金属表面磷化处理

    公开(公告)号:US5401381A

    公开(公告)日:1995-03-28

    申请号:US129163

    申请日:1993-10-06

    IPC分类号: C25D11/36

    CPC分类号: C25D11/36

    摘要: A process is disclosed for phosphating metallic surfaces, particularly electrolytically or hot dipped galvanized steel strip surfaces, by dip or spray processing the metallic surfaces with acidic aqueous phosphating solutions, wherein the workpieces are cathodically treated at the same time with a direct current. The process is characterized by (a) the use of phosphating solutions that contain the following components: Zn.sup.+2 cations in a range from 0.1 to 5 g/l; PO.sub.4.sup.-3 anions in a range from 5 to 50 g/l; NO.sub.3.sup.- anions in a range from 0.1 to 50 g/l; as well as Ni.sup.+2 cations in a range from 0.1 to 5 g/l and/or Co.sup.+2 cations in a range from 0.1 to 5 g/l; (b) the observance of the following conditions: pH value of the phosphating solutions in a range from 1.5 to 4.5; temperature of the phosphating solutions in a range from 10.degree. to 80.degree. C.; duration of treatment in a range from 1 to 300 sec, (c) simultaneous cathodic treatment of the workpiece during phosphating with a direct current having a density in the range from 0.01 to 100 mA/cm.sup.2.

    摘要翻译: PCT No.PCT / EP92 / 00703 Sec。 371日期:1993年10月6日 102(e)日期1993年10月6日PCT 1991年3月30日PCT公布。 出版物WO92 / 17628 PCT 公开了一种用于磷酸化金属表面,特别是电解或热浸镀锌钢带表面的方法,通过用酸性磷酸盐水溶液浸渍或喷涂处理金属表面,其中工件同时进行阴极处理 用直流电。 该方法的特征在于:(a)使用含有以下组分的磷酸盐溶液:Zn + 2阳离子在0.1至5g / l的范围内; PO4-3阴离子的范围为5〜50g / l; NO3-阴离子在0.1至50g / l的范围内; 以及0.1-5g / l范围内的Ni + 2阳离子和0.1-5g / l范围内的/或Co +2阳离子; (b)遵守以下条件:磷酸盐溶液的pH值在1.5至4.5的范围内; 磷酸盐溶液的温度在10℃至80℃的范围内。 处理持续时间在1至300秒的范围内,(c)在磷酸盐化期间以0.01至100mA / cm 2的密度范围内的直流电同时对工件进行阴极处理。

    Process for the passivating post-treatment of phosphatized metal surfaces
    3.
    发明授权
    Process for the passivating post-treatment of phosphatized metal surfaces 失效
    磷化金属表面的钝化后处理工艺

    公开(公告)号:US5391240A

    公开(公告)日:1995-02-21

    申请号:US39106

    申请日:1993-04-08

    IPC分类号: C23C22/83 C23C22/82

    CPC分类号: C23C22/83

    摘要: The invention concerns a process for a passivating post-treatment of phosphated metal surfaces of iron, steel, galvanized steel, zinc, aluminum, and their alloys, in which the phosphated metal surfaces are brought into contact at temperatures in the range from 10.degree. to 60.degree. C. with chromium-free, acidic, silicate-containing aqueous solutions having a pH in the range of 2 to 5 and 0.5 to 50 g/l of SiO.sub.2 and 0.5 to 100 g/l of an acid.

    摘要翻译: PCT No.PCT / EP91 / 01870 Sec。 371日期:1993年4月8日 102(e)日期1993年4月8日PCT 1991年9月30日PCT PCT。 出版物WO92 / 06226 日期:1992年04月16日。本发明涉及对铁,钢,镀锌钢,锌,铝及其合金的磷化金属表面进行钝化后处理的方法,其中磷化金属表面在温度下接触 在10至60℃的范围内,与无铬,酸性,含硅酸盐的水溶液的pH为2至5和0.5至50g / l的SiO 2和0.5至100g / l的 酸。

    Nickel-free phosphating process
    4.
    发明授权
    Nickel-free phosphating process 失效
    无镍磷化工艺

    公开(公告)号:US5792283A

    公开(公告)日:1998-08-11

    申请号:US612925

    申请日:1996-03-06

    摘要: A process for phosphating surfaces of steel, galvanized or alloy-galvanized steel, aluminum, aluminized or alloy-aluminized steel. The process is particularly useful for treating metal surfaces which are to be cathodic electrocoated. The process uses a nickel, cobalt, copper, nitrite and oxo-anion of halogen free phosphating solution containing 0.3 to 2.0 g/l Zn(II), 0.3 to 4 g/l Mn(II), 5 to 40 g/l phosphate ions and at least one of 0.5 to 5 g/l hydroxylamine and 0.2 to 2 g/l m-nitrobenzene sulfonate wherein the ratio by weight of Zn(II) to Mn(II) is not greater than 2.

    摘要翻译: PCT No.PCT / EP94 / 02848 Sec。 371日期1996年3月6日 102(e)1996年3月6日PCT PCT 1994年8月29日PCT公布。 公开号WO95 / 07370 日期1995年3月16日钢,镀锌或合金镀锌钢,铝,镀铝或合金镀铝钢表面磷化处理。 该方法对于处理要被阴极电涂覆的金属表面特别有用。 该方法使用含0.3〜2.0g / l Zn(II),0.3〜4g / l Mn(II),5〜40g / l磷酸盐的无卤磷酸盐溶液的镍,钴,铜,亚硝酸盐和氧阴离子 离子和0.5至5g / l羟胺和0.2至2g / l间硝基苯磺酸盐中的至少一种,其中Zn(II)与Mn(II)的重量比不大于2。

    Composition and process for activating metal surfaces prior to zinc
phosphating and process for making said composition
    6.
    发明授权
    Composition and process for activating metal surfaces prior to zinc phosphating and process for making said composition 失效
    在锌磷化之前活化金属表面的组合物和方法以及用于制备所述组合物的方法

    公开(公告)号:US4957568A

    公开(公告)日:1990-09-18

    申请号:US345063

    申请日:1989-04-28

    IPC分类号: C01B25/38 C01B25/40 C23C22/80

    CPC分类号: C01B25/40 C23C22/80

    摘要: Activation of metal surfaces prior to phosphating can be improved by using aqueous dispersions of polymeric titanium(IV) phosphates in which at least 95% by weight of the polymeric particles have a particle diameter of less than 200 nm. This low particle diameter is attained by adding a titanium(IV)-complexing agent before or during an otherwise conventional reaction between a titanium(IV) compound, acid or phosphate, and water. The complexing agent is used in an amount of less than the stoichiometric amount, based on the titanium(IV) content. The best complexing agents are poly(aldehydocarboxylic acids), 1,1-diphosphonic acids, and/or the alkali metal salts of these types of acids.

    摘要翻译: 通过使用其中至少95重量%的聚合物颗粒具有小于200nm的聚合物的聚合钛(IV)磷酸盐的水分散体,可以改善在磷化之前激活金属表面。 通过在钛(IV)化合物,酸或磷酸盐和水之间的常规反应之前或期间加入钛(IV)络合剂来实现该低的粒径。 基于钛(IV)含量,络合剂的用量小于化学计量量。 最好的络合剂是这些类型的酸的聚(醛脱羧酸),1,1-二膦酸和/或碱金属盐。

    Process for phosphating galvanized steel surfaces
    8.
    发明授权
    Process for phosphating galvanized steel surfaces 失效
    镀锌钢表面磷化工艺

    公开(公告)号:US5503733A

    公开(公告)日:1996-04-02

    申请号:US406943

    申请日:1995-03-28

    IPC分类号: C25D11/36

    CPC分类号: C25D11/36

    摘要: The invention relates to a process for phosphating galvanized steel surfaces, preferably electrolytically or hot-dip galvanized surfaces of steel strip, by treating them in a bath or spray with acidic aqueous phosphating solutions, wherein the workpieces are given a d.c. cathodic treatment at the same time. In the process, (a) the phosphating solutions contain Zn.sup.+2 cations in the range from 0.1 to 5 g/l, PO.sub.4.sup.-3 anions in the range from 5 to 50 g/l, NO.sub.3.sup.- anions in the range from 0.1 to 50 g/l, Mn.sup.+2 cations in the range from 0.1 to 5 g/l, and Cu.sup.+2 cations in the range from 0.001 to 1 g/l; (b) the following conditions are used: pH of the phosphating solution in the range from 1.5 to 4.5, temperature of the phosphating solution in the range from 10.degree. to 80.degree. C., treatment time in the range from 1 to 300 sec; and (c) the workpieces are also cathodically treated with a direct current with a density in the range from 0.01 to 100 mA/cm.sup.2 during phosphating.

    摘要翻译: PCT No.PCT / EP93 / 02538 Sec。 371日期:1995年3月28日 102(e)1995年3月28日PCT PCT 1993年9月20日PCT公布。 出版物WO94 / 08074 日期1994年04月14日本发明涉及一种通过用酸性磷酸盐水溶液在浴槽或喷雾中处理它们来镀锌钢表面,优选钢带的电解或热浸镀锌表面的方法,其中给予工件 一个直流 阴极处理同时进行。 在该过程中,(a)磷酸盐溶液含有0.1至5g / l范围内的Zn + 2阳离子,5至50g / l范围内的PO4-3阴离子,NO3-阴离子的范围为0.1至 50g / l,Mn + 2阳离子的范围为0.1至5g / l,Cu + 2阳离子的范围为0.001至1g / l; (b)使用以下条件:磷酸盐溶液的pH在1.5至4.5的范围内,磷酸盐溶液的温度在10至80℃的范围内,处理时间在1至300秒的范围内; 和(c)在磷化过程中,工件也用0.01至100mA / cm 2的密度的直流电进行阴极处理。

    Foam inhibitors for aqueous synthetic resin compositions
    10.
    发明授权
    Foam inhibitors for aqueous synthetic resin compositions 失效
    水性合成树脂组合物的泡沫抑制剂

    公开(公告)号:US4655960A

    公开(公告)日:1987-04-07

    申请号:US688225

    申请日:1985-01-02

    摘要: The formation of troublesome microfoams in aqueous lacquer and synthetic resin dispersions, particularly in gloss lacquers, is prevented by the addition of from about 0.01 to about 1.5% by weight of a silicone-free foam inhibitor mixture. This mixture consists of (a) from about 70 to about 98% by weight of a mineral oil liquid at room temperature or a mixture of such mineral oil with a C.sub.16 -C.sub.30 branched alcohol of the following formulaR.sup.1 --CH.sub.2 --CH.sub.2 --CHR.sup.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 OH (I)in which R.sup.1 and R.sup.2 are C.sub.4 -C.sub.16 alkyl radicals, (b) from about 0.2 to about 5% by weight of a microcrystalline wax, (c) from about 0.5 to about 20% by weight of hard paraffin, (d) from 0.05 to 5% by weight of hydrophobized finely divided silica, and (e) from 0 to about 10% by weight of a soft paraffin (M.p. 32.degree.-42.degree. C.). Component (a) preferably consists of a mixture of mineral oil and branched alcohol (I) in a ratio of from 50:1 to 1:1.

    摘要翻译: 通过加入约0.01至约1.5重量%的无硅氧烷泡沫抑制剂混合物可以防止水性漆和合成树脂分散体中特别是光泽漆中的麻烦的微泡的形成。 该混合物由(a)在室温下约70-约98重量%的矿物油液体或这种矿物油与具有下列通式的C16-C30支链醇的混合物R1-CH2-CH2-CHR2- (I)其中R 1和R 2是C 4 -C 16烷基,(b)约0.2至约5重量%的微晶蜡,(c)约0.5至约20重量% 硬石蜡,(d)0.05-5重量%的疏水化细碎二氧化硅,和(e)0至约10重量%的软石蜡(Mp 32℃-42℃)。 组分(a)优选由矿物油和支链醇(I)的混合物组成,比例为50:1至1:1。