Anodic phosphonic/phosphinic acid duplex coating on valve metal surface
    4.
    发明授权
    Anodic phosphonic/phosphinic acid duplex coating on valve metal surface 失效
    阳极氧化膦/次膦酸双相涂层在阀门金属表面

    公开(公告)号:US5126210A

    公开(公告)日:1992-06-30

    申请号:US634900

    申请日:1990-12-27

    IPC分类号: C25D9/02 C25D11/02 C25D11/10

    摘要: A process is disclosed for treating the surface of a valve metal such as aluminum to form a two layer protective coating thereon using an anodizing bath consisting essentially of an aqueous solution having a concentration ranging from about 0.001 molar to a saturated solution of a monomeric phosphorus- containing compound selected from the class consisting of a 1-30 carbon water soluble phosphonic acid, a 1-30 carbon water soluble phosphinic acid, and mixtures thereof. The valve metal surface is anodized in the anodizing bath while maintaining a voltage selected from a range of from about 1 to about 400 volts until the current density falls to a level indicative of the fact that a nonporous valve oxide layer has been formed on the valve metal surface and a reaction product from the monomeric phosphonic/phosphinic acid compound is chemically bonded to the oxide layer.

    摘要翻译: 公开了一种用于处理阀金属如铝的表面以在其上形成两层保护涂层的方法,其中使用阳极氧化浴,该阳极氧化浴基本上由浓度范围为约0.001摩尔至饱和的单体磷 - 所述化合物选自1-30碳水溶性膦酸,1-30碳水溶性次膦酸及其混合物。 在阳极氧化浴中阳极氧化阀金属表面,同时保持从约1伏至约400伏特范围内的电压,直到电流密度下降到表明在阀上形成无孔阀氧化物层的事实 金属表面和来自单体膦酸/次膦酸化合物的反应产物化学键合到氧化物层。

    Anodic phosphonic/phosphinic acid duplex coating on valve metal surface
    5.
    发明授权
    Anodic phosphonic/phosphinic acid duplex coating on valve metal surface 失效
    阳极氧化膦/次膦酸双相涂层在阀门金属表面

    公开(公告)号:US5032237A

    公开(公告)日:1991-07-16

    申请号:US397281

    申请日:1989-08-23

    IPC分类号: C25D9/02 C25D11/02 C25D11/10

    CPC分类号: C25D11/10 C25D11/02 C25D9/02

    摘要: A process is disclosed for treating the surface of a valve metal such as aluminum to form a two layer protective coating thereon using an anodizing bath consisting essentially of an aqueous solution having a concentration ranging from about 0.001 molar to a saturated solution of a monomeric phosphorus-containing compound selected from the class consisting of a 1-30 carbon water soluble phosphonic acid, a 1-30 carbon water soluble phosphinic acid, and mixtures thereof. The valve metal surface is anodized in the anodizing bath while maintaining a voltage selected from a range of from about 1 to about 400 volts until the current density falls to a level indicative of the fact that a nonporous valve oxide layer has been formed on the valve metal surface and a reaction product from the monomeric phosphonic/phosphinic acid compound is chemically bonded to the oxide layer.

    摘要翻译: 公开了一种用于处理阀金属如铝的表面以在其上形成两层保护涂层的方法,其中使用阳极氧化浴,该阳极氧化浴基本上由浓度范围为约0.001摩尔至饱和的单体磷 - 所述化合物选自1-30碳水溶性膦酸,1-30碳水溶性次膦酸及其混合物。 在阳极氧化浴中阳极氧化阀金属表面,同时保持从约1伏至约400伏特范围内的电压,直到电流密度下降到表明在阀上形成无孔阀氧化物层的事实 金属表面和来自单体膦酸/次膦酸化合物的反应产物化学键合到氧化物层。

    Surface treated permeable inorganic membranes and process of making same
    6.
    发明授权
    Surface treated permeable inorganic membranes and process of making same 失效
    表面处理渗透性无机膜及其制备方法

    公开(公告)号:US5124289A

    公开(公告)日:1992-06-23

    申请号:US265179

    申请日:1988-10-31

    IPC分类号: B01J20/32

    摘要: A treated permeable inorganic membrane is disclosed comprising a permeable inorganic membrane capable of reacting with an organic acid. The treated membrane has good chemical stability over a pH range of from 1 to 14, is capable of controlling the flux through the membrane, has altered internal and external wetting properties of the membrane surface, and has controlled pore size due to the presence of a monomolecular layer of an organic acid material chemically bonded to the surface of the inorganic membrane. The monomolecular layer of organic acid material is formed on the membrane surface by contacting the membrane with an organic acid reactant selected from the class consisting of phosphonic acid having the formula RPO(OH).sub.2 ; phosphinic acid having the formula RR'PO(OH); monocarboxylic acids having the formula RCOOH; dicarboxylic acids having the formula R"(COOH).sub.2 ; boronic acid having the formula RB(OH).sub.2 ; and one or more precursors of the foregoing acids which decompose to form the acid functionality; where R comprises a 1-30 carbon-containing group, R' comprises hydrogen or a 1-30 carbon-containing group, and R" comprises a 2-30 carbon-containing group. Excess organic acid reactant not bonded to the underlying membrane surface is removed to ensure formation of said monomolecular layer of said organic acid material on the surfaces of said permeable inorganic membrane.

    摘要翻译: 公开了一种经处理的渗透性无机膜,其包括能够与有机酸反应的可渗透的无机膜。 经处理的膜在1至14的pH范围内具有良好的化学稳定性,能够控制通过膜的通量,具有改变膜表面的内部和外部润湿性能,并且由于存在 化学键合到无机膜表面的有机酸材料的单分子层。 通过使膜与选自具有式RPO(OH)2的膦酸类的有机酸反应物接触,在膜表面上形成有机酸材料的单分子层; 具有式RR'PO(OH)的次膦酸; 具有式RCOOH的单羧酸; 具有式R“(COOH)2的二羧酸; 具有式RB(OH)2的硼酸; 和分解形成酸官能团的前述酸的一种或多种前体; 其中R包含含1-30个碳的基团,R'包含氢或含1-30个碳的基团,R“包括含2-30个碳的基团。 除去未结合到下面的膜表面的过量有机酸反应物,以确保在所述可渗透的无机膜的表面上形成所述有机酸材料的所述单分子层。

    Active material useful as adsorbent comprising metal oxide/hydroxide
particles reacted with phosphorus-containing organic acid group of
organic compound having unreacted acid group
    9.
    发明授权
    Active material useful as adsorbent comprising metal oxide/hydroxide particles reacted with phosphorus-containing organic acid group of organic compound having unreacted acid group 失效
    可用作吸附剂的活性材料包括与含有未反应的酸基的有机化合物的含磷有机酸基反应的金属氧化物/氢氧化物颗粒

    公开(公告)号:US4994429A

    公开(公告)日:1991-02-19

    申请号:US265242

    申请日:1988-10-31

    IPC分类号: B01J20/32

    摘要: An active material is disclosed which comprises a metal oxide/hydroxide surface having chemically bonded to reactive sites thereon a substantially monomolecular layer of organic acid molecules. Each organic acid molecule is chemically bonded to a reactive site on the oxide/hydroxide surface through a phosphorus-containing acid group selected from the group consisting of a phosphonic acid group and a phosphinic acid group. Each organic acid molecule also comprises an unreacted acid group oriented away from the metal oxide/hydroxide surface and selected from the class consisting of a phosphonic acid group, a phosphinic acid group, a sulfonic acid group, and a carboxylic acid group.

    摘要翻译: 公开了一种活性材料,其包括金属氧化物/氢氧化物表面,其化学键合到其上的基本上单分子层的有机酸分子上。 每个有机酸分子通过选自膦酸基和次膦酸基的含磷酸基团与氧化物/氢氧化物表面上的反应性位点化学键合。 每个有机酸分子还包含远离金属氧化物/氢氧化物表面取向的未反应的酸基团,选自膦酸基,次膦酸基,磺酸基和羧酸基。

    Surface treated porous ceramic membranes and method of making same
    10.
    发明授权
    Surface treated porous ceramic membranes and method of making same 失效
    表面处理多孔陶瓷膜及其制备方法

    公开(公告)号:US4962073A

    公开(公告)日:1990-10-09

    申请号:US265243

    申请日:1988-10-31

    IPC分类号: B01J20/32

    摘要: A treated permeable inorganic membrane is disclosed comprising a metal oxide/hydroxide capable of reacting with a phosphoric acid ester. The treated membrane has good chemical stability over a pH range of from 2 to 12. Chemically bonded to the metal oxide/hydroxide surface of the membrane is a monomolecular layer of one or more phosphoric acid esters selected from the class consisting of one or more phosphoric acid monoesters having the formula (RO)PO(OH).sub.2, one or more phosphoric acid diesters having the formula (RO)(R'O)PO(OH), and mixtures of same where R comprises a 1-30 carbon-containing group and R'comprises hydrogen or a 1-30 carbon-containing group. Excess phosphoric acid esters not bonded to the underlying membrane surface is removed to ensure formation of the monomolecular layer of the phosphoric acid esters on the surfaces of the membrane.

    摘要翻译: 公开了一种经处理的渗透性无机膜,其包含能够与磷酸酯反应的金属氧化物/氢氧化物。 经处理的膜在2至12的pH范围内具有良好的化学稳定性。与膜的金属氧化物/氢氧化物表面化学结合是一种或多种磷酸酯的单分子层,其选自一种或多种磷酸 具有式(RO)PO(OH)2的酸单酯,一种或多种具有式(RO)(R'O)PO(OH)的磷酸二酯及其混合物,其中R包含含1-30碳 组和R'包括氢或含1-30个碳的基团。 除去未结合到下面的膜表面的过量磷酸酯以确保在膜的表面上形成磷酸酯的单分子层。